I just had again the same crash. :
Dec 30 23:49:59 archer gnome-session[28277]: Window manager warning: Log level
6: The program 'metacity' received an X Window System error.
Dec 30 23:49:59 archer gnome-session[28277]: This probably reflects a bug in
the program.
Dec 30 23:49:59 archer gnome-session[28277]: The error was 'BadRegion (invalid
Region parameter)'.
Dec 30 23:49:59 archer gnome-session[28277]: (Details: serial 1686054464
error_code 140 request_code 138 (XFIXES) minor_code 12)
Dec 30 23:49:59 archer gnome-session[28277]: (Note to programmers: normally, X
errors are reported asynchronously;
Dec 30 23:49:59 archer gnome-session[28277]: that is, you will receive the
error a while after causing it.
Dec 30 23:49:59 archer gnome-session[28277]: To debug your program, run it with
the GDK_SYNCHRONIZE environment
Dec 30 23:49:59 archer gnome-session[28277]: variable to change this behavior.
You can then get a meaningful
Dec 30 23:49:59 archer gnome-session[28277]: backtrace from your debugger if
you break on the gdk_x_error() function.)
which led once apport was done writing the crash report :
Dec 30 23:54:51 archer gnome-session[28277]: gnome-session[28277]: WARNING:
Application 'metacity.desktop' killed by signal 5
Dec 30 23:54:51 archer gnome-session[28277]: WARNING: Application
'metacity.desktop' killed by signal 5
Dec 30 23:54:51 archer gnome-session[28277]: gnome-session[28277]: WARNING: App
'metacity.desktop' respawning too quickly
Dec 30 23:54:51 archer gnome-session[28277]: WARNING: App 'metacity.desktop'
respawning too quickly
Dec 30 23:54:51 archer gnome-session[28277]: Unrecoverable failure in required
component metacity.desktop
Dec 30 23:54:51 archer gnome-session[28277]: gnome-session[28277]: CRITICAL: We
failed, but the fail whale is dead. Sorry
Dec 30 23:54:51 archer gnome-session[28277]: CRITICAL: We failed, but the fail
whale is dead. Sorry
>From what I tried, it seems like trying to run "metacity --replace"
before apport finishes killing the old instance does not work : once it
freezes and apport is writing its stuff, the whole session will go down.
Seriously, this regression is infuriating and makes Ubuntu barely usable for me.
I nearly stopped using Alt+Tab out of fear of losing work when switching
between gedit and evince.
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https://bugs.launchpad.net/bugs/1455916
Title:
Xorg unexpectedly crashed
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