This looks like the problem, assuming the right section of the system
log is attached in comment #1:
[36178.231698] Dapple gnome-shell[3998]: == Stack trace for context
0x5562d03ed170 ==
[36178.231698] Dapple gnome-shell[3998]: #0 5562ed968248 i
resource:///org/gnome/shell/ui/windowManager.js:1542 (339f27529c90 @ 23)
[36178.231698] Dapple gnome-shell[3998]: #1 7ffd1afab520 b self-hosted:1181
(3ed1fbfb0a10 @ 454)
[36178.231698] Dapple gnome-shell[3998]: #2 5562ed9681c8 i
resource:///org/gnome/shell/ui/main.js:260 (3ed1fbfef150 @ 12)
[36178.231698] Dapple gnome-shell[3998]: GNOME Shell crashed with signal 11
[36178.231698] Dapple gnome-shell[3998]: == Stack trace for context
0x5562d03ed170 ==
[36178.231698] Dapple gnome-shell[3998]: #0 5562ed9681c8 i
resource:///org/gnome/shell/ui/main.js:260 (3ed1fbfef150 @ 12)
[36178.232108] Dapple gnome-shell[3998]: JS ERROR: TypeError: window is null
_destroyWindow@resource:///org/gnome/shell/ui/windowManager.js:1543:9
_initializeUI/<@resource:///org/gnome/shell/ui/main.js:260:16
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https://bugs.launchpad.net/bugs/1969266
Title:
application windows frozen after screen blanking
Status in GNOME Shell:
Unknown
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
When I want to use my computer after the screen has blanked, I often
(about half of the time) find that the open applications are frozen.
I can bring them back to life by restarting X or by cycling through
the windows (ALT + TAB). Not a major bug certainly annoying as it is
happening time and again.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-shell 42.0-2ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 16 09:53:51 2022
DisplayManager: gdm3
InstallationDate: Installed on 2022-03-27 (19 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220326)
RelatedPackageVersions: mutter-common 42.0-3ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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