Below seems to be the only gnome-shell crash and it's an odd one. Even
though it's a Wayland session the cause was some unhandled X11 error
coming from the X server (Xwayland). This isn't totally surprising if
Teams is another Electron client and Electron (Chromium) defaults to X11
instead of native Wayland.

To debug this further please add MUTTER_SYNC=1 to /etc/environment,
reboot, and then report new crashes when they happen.

avril 01 13:34:24 LH33976 gnome-shell[4799]: Received an X Window System error.
                                             This probably reflects a bug in 
the program.
                                             The error was 'BadWindow (invalid 
Window parameter)'.
                                               (Details: serial 7457903 
error_code 3 request_code 7 (core protocol) minor_code 0)
                                               (Note to programmers: normally, 
X errors are reported asynchronously;
                                                that is, you will receive the 
error a while after causing it.
                                                To debug your program, run it 
with the MUTTER_SYNC environment
                                                variable to change this 
behavior. You can then get a meaningful
                                                backtrace from your debugger if 
you break on the mtk_x_error() function.)
avril 01 13:34:24 LH33976 gnome-shell[4799]: GNOME Shell crashed with signal 5
avril 01 13:34:24 LH33976 gnome-shell[5458]: (EE) failed to read Wayland 
events: Connection reset by peer


** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)

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https://bugs.launchpad.net/bugs/2106656

Title:
  Shell crash

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