I can confirm @cmmrandau findings. mutter 45.0-3ubuntu 3 does not fix the bug but Martin's workaround works for me.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2034619 Title: [amdgpu] gnome-shell gets SIGKILL'd when lock screen or under heavy load in Wayland Status in Linux: New Status in Mutter: New Status in X.Org X server: Fix Released Status in linux package in Ubuntu: Confirmed Status in mutter package in Ubuntu: Triaged Status in linux source package in Mantic: Confirmed Status in mutter source package in Mantic: Triaged Bug description: [ Workaround ] Add this to /etc/environment: MUTTER_DEBUG_KMS_THREAD_TYPE=user and then reboot. [ Original Description] I have this issue on Ubuntu 23.10. Lock screen works only with an external monitor connected. Otherwise the session is ended and the user is logged out and brought to the gdm screen. All works in xorg. ProblemType: Crash DistroRelease: Ubuntu 23.10 Package: gnome-shell 45~beta.1-0ubuntu2 ProcVersionSignature: Ubuntu 6.3.0-7.7-generic 6.3.5 Uname: Linux 6.3.0-7-generic x86_64 ApportVersion: 2.27.0-0ubuntu2 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Wed Sep 6 22:32:22 2023 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell InstallationDate: Installed on 2023-09-03 (3 days ago) InstallationMedia: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20230901.1) ProcCmdline: /usr/bin/gnome-shell RelatedPackageVersions: mutter-common 45~beta.1-1ubuntu2 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sudo users separator: To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/2034619/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
