** Description changed:
+ [ Impact ]
+
+ gnome-shell gets unceremoniously SIGKILLed on some Ryzen systems,
+ sometimes when the screen locks, sometimes when launching particular
+ apps.
+
[ Workaround ]
Add this to /etc/environment:
- MUTTER_DEBUG_KMS_THREAD_TYPE=user
+ MUTTER_DEBUG_KMS_THREAD_TYPE=user
and then reboot.
- [ Original Description]
+ [ Test Plan ]
+
+ Not all Ryzen systems (including one I just purchased) are able to
+ reproduce the bug. We have no choice but to leave final verification to
+ the community. Anyone affected should try locking their screen and
+ verify they are not instantly returned to the login screen.
+
+ [ Where problems could occur ]
+
+ Anywhere in frame scheduling and particularly for mouse cursor movement
+ since that's what the real-time thread exists to optimize.
+
+ [ 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:
** Changed in: mutter (Ubuntu Mantic)
Milestone: ubuntu-23.10 => mantic-updates
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https://bugs.launchpad.net/bugs/2034619
Title:
[amdgpu] gnome-shell gets SIGKILL'd when lock screen or under heavy
load in Wayland
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