I'm sorry, Indeed, this seems exatcly bug 1877774, with SIGSEGV occuring on st_theme_ensure_background. In spite of that, I couldn't figure out if the bug has been solved since my system is already up-to-date.
Thank you for your attention and fast response, ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Tuesday, 9 June 2020 05:32, Daniel van Vugt <1882...@bugs.launchpad.net> wrote: > Note this is probably bug 1877774. > > ----------------------------------- > > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1882585 > > Title: > gnome crashes when trying to lock session > > Status in gnome-shell package in Ubuntu: > Invalid > > Bug description: > 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) > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1882585/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882585 Title: gnome crashes when trying to lock session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1882585/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs