Public bug reported:
When trying to lock session, either through key combination or clicking 'lock'
in the top right menu, gnome unexpectedly freezes. During the time it's freezed
I can move the mouse freely, but everything stops (even the clock). After some
time it seems to restart because it flashes and everything goes back to normal.
After the crash if I try to relock it again it works, but if I try after that
the cycle repeats.
Sometimes after the crash a crash report window launches accusing a SIGSEGV in
gnome-shell.
Looking at Logs I can see that the main process was exited and that the core
was dumped.
Note that at the time it freezes gnome unexpectedly switches the active window.
I'm running Ubuntu 20.04 LTS with gnome-shell version
3.36.2-1ubuntu1~20.04.1
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Jun 8 17:49:56 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-05-06 (33 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1882585
Title:
gnome crashes when trying to lock session
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