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https://bugs.launchpad.net/bugs/1813716

Title:
  gnome-shell crashed with SIGSEGV in meta_x11_display_get_xdisplay →
  detach_pixmap → meta_surface_actor_x11_dispose → g_object_unref →
  ObjectInstance → → release_native_object

Status in Mutter:
  Fix Released
Status in gnome-shell package in Ubuntu:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Released
Status in gnome-shell source package in Disco:
  Fix Committed
Status in mutter source package in Disco:
  Fix Released
Status in gnome-shell source package in Eoan:
  Fix Released
Status in mutter source package in Eoan:
  Fix Released

Bug description:
  [ Impact ]

  GNOME Shell crashes on restart or when ending the session

  [ Test Case ]

  Under X11, try to reload the shell multiple times using
   - Alt+F2: write 'r', press 'enter'.
   - Or quit it writing in the run dialog 'debugexit'.

  Repeat multiple times, no crash caused by x11 calls should happen.

  [ Regression potential ]

  Nothing known, window actors might not be painted on reload.

  ---

  
  Tracked upstream in https://gitlab.gnome.org/GNOME/mutter/issues/576

  Proposed fix: https://gitlab.gnome.org/GNOME/mutter/merge_requests/557

  The Ubuntu Error Tracker has been receiving reports about a problem regarding 
gnome-shell.  This problem was most recently seen with package version 
3.30.2-2ubuntu1, the problem page at 
https://errors.ubuntu.com/problem/a27089759201dfe884a9070c2d62c50680fb2de4 
contains more details, including versions of packages affected, stacktrace or 
traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software 
developer, you can request it at http://forms.canonical.com/reports/.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/1813716/+subscriptions

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