<div dir="ltr"><div><div>Finally, I resolve the issue.<br><br></div>It seems that virtualbox guest doesn't like the upgrade (installed from Disk provided by virtualbox, not the package).<br>After uninstalling it, I can launch gtk3 softwares.<br></div><br><div><div><div class="gmail_extra"><br><div class="gmail_quote">2017-04-28 13:59 GMT-04:00 Guillaume Smaha <span dir="ltr"><<a href="mailto:guillaume.smaha@gmail.com" target="_blank">guillaume.smaha@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div> Hi !<br><br></div>After an upgrade from Yakkety to Zesty, I encountered a lot of problems with the softwares based on gtk3 like : gedit, gtk3-demo, software-properties-gtk, ...<br><br></div>When I try to execute these softwares, there is no error or output and nothing happens.<br><br></div><div>To validate gtk2 software, I tried with **vim-gtk** (gtk 2) and it works.<br></div><div>I tried with **vim-gtk3 -V5** and it doesn't work ; see the output :<br>852: The child process failed to start the GUI<br>Reading viminfo file "/home/user/.viminfo" info oldfilesOpening the X display took 1 msecTesting the X display failed<br></div><div><br><br>I tried with gdk and gtk debug messages **G_MESSAGES_DEBUG=all gedit --gtk-debug=all --gdk-debug=all** :<br>Gdk-Message: Trying wayland backend<br>Gdk-Message: opening display <br>Gdk-Message: Trying mir backend<br>Gdk-Message: Trying x11 backend<br>Gdk-Message: visual: true color: 32<br>Gdk-Message: visual: direct color: 24<br>...<br>Gdk-Message: visual: true color: 24<br>...<br>Gdk-Message: GLX version 1.3 found<br> - Vendor: Chromium<br> - Checked extensions:<br> * GLX_ARB_create_context_<wbr>profile: no<br> * GLX_EXT_create_context_es2_<wbr>profile: no<br> * GLX_SGI_swap_control: no<br> * GLX_EXT_texture_from_pixmap: yes<br> * GLX_SGI_video_sync: no<br> * GLX_EXT_buffer_age: no<br> * GLX_OML_sync_control: no<br><br><br><br></div>I also found another message with **gedit -w** :<br>Failed to register: GDBus.Error:org.freedesktop.<wbr>DBus.Error.NoReply: Message recipient disconnected from message bus without replying<br><br><br><br></div><div>So, I tried to launch **gedit** with **dbus-monitor** to see the dbus calls :<br>method call time=1493401377.797832 sender=:1.144 -> destination=org.freedesktop.<wbr>DBus serial=1 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=Hello<br>method return time=1493401377.797863 sender=org.freedesktop.DBus -> destination=:1.144 serial=1 reply_serial=1<br> string ":1.144"<br>signal time=1493401377.797870 sender=org.freedesktop.DBus -> destination=(null destination) serial=318 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string ":1.144"<br> string ""<br> string ":1.144"<br>signal time=1493401377.797878 sender=org.freedesktop.DBus -> destination=:1.144 serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameAcquired<br> string ":1.144"<br>method call time=1493401377.798806 sender=:1.144 -> destination=org.freedesktop.<wbr>DBus serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=RequestName<br> string "org.gnome.gedit"<br> uint32 4<br>signal time=1493401377.798828 sender=org.freedesktop.DBus -> destination=(null destination) serial=319 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string "org.gnome.gedit"<br> string ""<br> string ":1.144"<br>signal time=1493401377.798836 sender=org.freedesktop.DBus -> destination=:1.144 serial=3 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameAcquired<br> string "org.gnome.gedit"<br>method return time=1493401377.798841 sender=org.freedesktop.DBus -> destination=:1.144 serial=4 reply_serial=2<br> uint32 1<br>signal time=1493401377.811926 sender=org.freedesktop.DBus -> destination=:1.144 serial=5 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameLost<br> string "org.gnome.gedit"<br>signal time=1493401377.811953 sender=org.freedesktop.DBus -> destination=(null destination) serial=320 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string "org.gnome.gedit"<br> string ":1.144"<br> string ""<br>signal time=1493401377.811961 sender=org.freedesktop.DBus -> destination=:1.144 serial=6 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameLost<br> string ":1.144"<br>signal time=1493401377.811966 sender=org.freedesktop.DBus -> method call time=1493401487.458312 sender=:1.146 -> destination=org.freedesktop.<wbr>DBus serial=1 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=Hello<br>method return time=1493401487.458331 sender=org.freedesktop.DBus -> destination=:1.146 serial=1 reply_serial=1<br> string ":1.146"<br>signal time=1493401487.458336 sender=org.freedesktop.DBus -> destination=(null destination) serial=325 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string ":1.146"<br> string ""<br> string ":1.146"<br>signal time=1493401487.458342 sender=org.freedesktop.DBus -> destination=:1.146 serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameAcquired<br> string ":1.146"<br>method call time=1493401487.458946 sender=:1.146 -> destination=org.freedesktop.<wbr>DBus serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=RequestName<br> string "org.gnome.gedit"<br> uint32 4<br>signal time=1493401487.458963 sender=org.freedesktop.DBus -> destination=(null destination) serial=326 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string "org.gnome.gedit"<br> string ""<br> string ":1.146"<br>signal time=1493401487.458970 sender=org.freedesktop.DBus -> destination=:1.146 serial=3 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameAcquired<br> string "org.gnome.gedit"<br>method return time=1493401487.458973 sender=org.freedesktop.DBus -> destination=:1.146 serial=4 reply_serial=2<br> uint32 1<br>signal time=1493401487.474067 sender=org.freedesktop.DBus -> destination=:1.146 serial=5 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameLost<br> string "org.gnome.gedit"<br>signal time=1493401487.474109 sender=org.freedesktop.DBus -> destination=(null destination) serial=327 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string "org.gnome.gedit"<br> string ":1.146"<br> string ""<br>signal time=1493401487.474138 sender=org.freedesktop.DBus -> destination=:1.146 serial=6 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameLost<br> string ":1.146"<br>signal time=1493401487.474158 sender=org.freedesktop.DBus -> destination=(null destination) serial=328 path=/org/freedesktop/DBus; interface=org.freedesktop.<wbr>DBus; member=NameOwnerChanged<br> string ":1.146"<br> string ":1.146"<br> string ""<br><br></div><div>But I don't know how to search deeper in dbus.<br></div><div><br></div><div>Any ideas ?<br></div><div></div><div><br><div><div><div><br clear="all"><div>Thanks<span class="HOEnZb"><font color="#888888"><br></font></span></div><span class="HOEnZb"><font color="#888888"><div>-- <br><div class="m_1657683413911046955gmail-m_-8395624054961711106gmail_signature"><div dir="ltr">Guillaume Smaha</div></div>
</div></font></span></div></div></div></div></div>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Guillaume Smaha</div></div>
</div></div></div></div>