https://bugs.kde.org/show_bug.cgi?id=404912
Bug ID: 404912
Summary: KWin crashes on
KWayland::Server::SurfaceInterface::lockedPointer()
Product: kwin
Version: 5.15.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-wayland
Assignee: kwin-bugs-n...@kde.org
Reporter: alexander-kde@ninetailed.ninja
Target Milestone: ---
Created attachment 118438
--> https://bugs.kde.org/attachment.cgi?id=118438&action=edit
Backtrace of main thread (can supply backtraces for other threads if useful)
SUMMARY
KWin crashes regularily for me and I could reproduce the attached backtrace
from several of its core dumps. The line about lockedPointer looks like it may
be hint about what is happening, although I do not have a test case for this
right now.
STEPS TO REPRODUCE
Don't know yet, but I have several collected several KWin coredumps/crashes
already (so it is reproducible)
Looking at the backtrace leads me to believe that devs may be able to infer
from it what is happening.
OBSERVED RESULT
KWin dumps core and disappears.
EXPECTED RESULT
KWin doesn't do that.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian 10 with KDE Neon User packages running Linux 4.19.20-1
KDE Plasma Version: 4:5.15.2-0xneon+18.04+bionic+build28
KDE Frameworks Version: 4:5.55.0-0xneon+18.04+bionic+build20
Qt Version: 5.12.0+dfsg-0+xneon+18.04+bionic+build54
ADDITIONAL INFORMATION
GPU Driver: amdgpu on Radeon R9 M280X
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