The crash seems to be in the monitor numbering displayed while the Settings app is open:
[ 749.493355] decuman gnome-shell[6575]: GNOME Shell crashed with signal 11 [ 749.493355] decuman gnome-shell[6575]: == Stack trace for context 0x6044d87c2ac0 == [ 749.493709] decuman gnome-shell[6575]: #0 6044d888f0c0 i resource:///org/gnome/shell/ui/osdMonitorLabeler.js:104 (db8b9a7ad80 @ 119) [ 749.493709] decuman gnome-shell[6575]: #1 6044d888f000 i resource:///org/gnome/shell/ui/shellDBus.js:354 (3db34bd71ce0 @ 349) [ 749.493709] decuman gnome-shell[6575]: #2 6044d888ef58 i self-hosted:1461 (3db34bd2a0b0 @ 30) [ 749.493709] decuman gnome-shell[6575]: #3 7fffdf22a8e0 b self-hosted:852 (2491ea6c40 @ 15) [ 749.493709] decuman gnome-shell[6575]: #4 6044d888eec8 i resource:///org/gnome/shell/ui/init.js:21 (1ab9ad470bf0 @ 48) That could have the same root cause as a lost display config if the detected display specs are changing during wakeup. ** Summary changed: - On high resolution modes, after screen resume from power saving, the display configuration gets lost, and sometimes Gnome crashes + [nvidia] On high resolution modes, after screen resume from power saving, the display configuration gets lost, and sometimes Gnome crashes ** Changed in: gnome-shell (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2081199 Title: [nvidia] On high resolution modes, after screen resume from power saving, the display configuration gets lost, and sometimes Gnome crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2081199/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs