Ubuntu doesn't enter any WM except Gnome on Wayland

[Richard Kimber]

On Sun, 23 Sep 2018 21:59:45 -0500
tmv713 at cryptolab.net (Tedd M. V.) wrote:

> Colin Law <clanlaw at gmail.com> writes:
> 
> >
> > Were you asked earlier to look in .xsession-errors after failed
> > login?
> >
> > Colin  
> 

I think I have the same problem on my new 18.04.1 install on a new PC.
There are certainly errors in .xsession-errors:


mate-session[1954]: WARNING: Unable to find provider '' of required
component 'dock' Window manager warning: Log level 128: Name
com.canonical.AppMenu.Registrar does not exist on the session bus

Window manager warning: Log level 16: XPresent is not compatible with
your current system configuration.

(process:2465): indicator-sound-WARNING **: 09:27:21.493:
volume-control-pulse.vala:735: unable to get pulse unix socket:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.PulseAudio1 was not provided by any .service files

(nm-applet:2451): Gtk-WARNING **: 09:27:21.623: Can't set a parent on
widget which has a parent Flag 0x0001, status 0, EXIT 1 STAT 0

(gkrellm:2453): GLib-CRITICAL **: 09:27:21.643: g_strstr_len: assertion
'haystack != NULL' failed Flag 0x0001, status 0, EXIT 1 STAT 0
RuntimeError: object at 0x7fb8816b0410 of type RenameMenu is not
initialized RuntimeError: object at 0x7fb88169df00 of type
FolderColorMenu is not initialized INFO:root:The HUD is disabled via
org.mate.hud in gsettings. Window manager warning: Buggy client sent a
_NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1e00008 ()
Window manager warning: meta_window_activate called by a pager with a 0
timestamp; the pager needs to be fixed. Window manager warning: Buggy
client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for
0x1e00008 () Window manager warning: meta_window_activate called by a
pager with a 0 timestamp; the pager needs to be fixed. Window manager
warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a
timestamp of 0 for 0x1e00008 () Window manager warning:
meta_window_activate called by a pager with a 0 timestamp; the pager
needs to be fixed.

This was after a reboot, following some sort of X failure (black
unresponsive screen)

- Richard