[ubuntu-studio-users] Ubuntu Studio 16.04 XFCE all icons missing

[David King]

On 20/09/17 13:36, David King wrote:
> I have a problem with my Ubuntu Studio 16.04 installation today. It was
> working okay before, but today, when I logged in, most of the icons were
> missing, including inside things like Thunderbird.
>
> I rebooted and then even the icons on the login screen were all gone,
> and when I log in, all icons are missing along with the wallpaper.
>
> I can boot into a different Linux on the same PC and it is all okay with
> that.
>
> I have tried restoring some files (cache files, session files) from a
> known good backup, but it makes no difference. I also tried booting with
> a different kernel and it made no difference.
>
> I wonder if it is a problem with the OS there are even no icons at the
> login screen.
>
> I did not do any major updates lately, although there were quite a lot
> of updates pending, which I was going to install today, but have not
> done so because of this problem.
>
> I have tried searching on Google and could not find any solution.
>
> Does anyone else have this problem? Or know what needs to be fixed? It
> seems like programs can run okay, but without the icons, nothing is
> really much usable.
>
>
> David King
>
>
>
>


I looked around at various files, and found a log file at 
/var/log/lightdm/seat0-greeter.log

This shows some errors in loading icons and wallpaper, re not 
recognising image file formats, which is unusual:


** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:7751): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:7749): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:7749): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading image 
'file:///usr/share/themes/Greybird/gtk-3.0/assets/menuitem-radio-checked.png': 
Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: drawing failure for widget 
'GtkRadioMenuItem': invalid matrix (not invertible)

(lightdm-gtk-greeter:7749): Gtk-WARNING **: drawing failure for widget 
'GtkMenu': invalid matrix (not invertible)

(lightdm-gtk-greeter:7749): Gtk-WARNING **: drawing failure for widget 
'GtkWindow': invalid matrix (not invertible)

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:7749): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed
upstart: indicator-sound main process (7782) killed by HUP signal
upstart: indicator-messages main process (7781) killed by HUP signal
upstart: indicator-application main process (7783) killed by TERM signal
** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:2402): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:2400): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2400): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2400): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed
upstart: indicator-application main process (2595) killed by TERM signal
** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:2421): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:2419): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed
upstart: indicator-sound main process (2452) killed by TERM signal
upstart: indicator-application main process (2453) killed by TERM signal
** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:2421): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:2419): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2419): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2419): Gdk-WARNING **: lightdm-gtk-greeter: Fatal 
IO error 0 (Success) on X server :0.

upstart: indicator-messages main process ended, respawning
upstart: indicator-application main process (2453) terminated with status 1
upstart: indicator-application main process ended, respawning
upstart: indicator-sound main process ended, respawning
upstart: indicator-messages main process (3109) killed by HUP signal
upstart: indicator-application main process (3122) killed by TERM signal
upstart: indicator-sound main process (3123) killed by HUP signal
** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:2403): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:2401): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2401): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2401): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed
upstart: indicator-messages main process (2433) killed by HUP signal
upstart: indicator-sound main process (2434) killed by HUP signal
upstart: indicator-application main process (2435) killed by TERM signal
** Message: Starting lightdm-gtk-greeter 2.0.1 (Apr 11 2016, 06:05:31)
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: 
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/30_ubuntustudio.conf
** Message: [Configuration] Reading file: 
/etc/lightdm/lightdm-gtk-greeter.conf

** (process:2867): WARNING **: Failed to register client: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.gnome.SessionManager was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'

(lightdm-gtk-greeter:2703): GdkPixbuf-WARNING **: Cannot open pixbuf 
loader module file 
'/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such 
file or directory

This likely means that your installation is broken.
Try running the command
   gdk-pixbuf-query-loaders > 
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
to make things work again for the time being.

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png'

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/ubuntustudio-default.png

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to load 
background: Couldn't recognize the image file format for file 
'/usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png'

** (lightdm-gtk-greeter:2703): WARNING **: [Background] Failed to read 
wallpaper: /usr/share/backgrounds/ubuntustudio/macinnis_wallpaper.png

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): Gtk-WARNING **: Error loading theme icon 
'image-missing' for stock: Unrecognized image file format

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_ref: 
assertion 'G_IS_OBJECT (object)' failed

(lightdm-gtk-greeter:2703): GLib-GObject-CRITICAL **: g_object_unref: 
assertion 'G_IS_OBJECT (object)' failed
upstart: indicator-sound main process (2943) killed by HUP signal
upstart: indicator-messages main process (2942) killed by HUP signal
upstart: indicator-application main process (2944) killed by TERM signal