https://bugs.kde.org/show_bug.cgi?id=471277
Bug ID: 471277
Summary: kwin can't recover from AMD GPU driver resets
Classification: Plasma
Product: kwin
Version: 5.27.6
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: chn.i...@gmail.com
Target Milestone: ---
Created attachment 159797
--> https://bugs.kde.org/attachment.cgi?id=159797&action=edit
Log of kwin crash
SUMMARY
In case of an AMD GPU driver crash the kernel driver resets successfully, but
my KDE Wayland session stays completely frozen until I force-kill everything
and restart sddm. I'm using a Thinkpad E14 Gen 2 (4500U CPU and Renoir
graphics) and the 6.3.8 Linux kernel.
STEPS TO REPRODUCE
1. Use an AMD GPU with the amdgpu kernel module
2. Execute 'cat /sys/kernel/debug/dri/0/amdgpu_gpu_recover' as root
OBSERVED RESULT
Driver reloads successfully, but KDE stays frozen until killed/restarted.
kwin_wayland spams "kwin_scene_opengl: A graphics reset not attributable to the
current GL context occurred." to syslog.
EXPECTED RESULT
KDE should recover from driver restart and work.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10
ADDITIONAL INFORMATION
See attachment
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