https://bugs.kde.org/show_bug.cgi?id=486948
Bug ID: 486948
Summary: Repeated segmentation fault crashes in various
KWin::EffectWindow related functions
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: new.plan4...@fastmail.com
Target Milestone: ---
Created attachment 169422
--> https://bugs.kde.org/attachment.cgi?id=169422&action=edit
Support info
SUMMARY
For a couple of years now I have been having continual intermittent crashes of
KWin, with all stack traces revolving around KWin::EffectWindow or similar. I
generally see this a few times a week, but sometimes more or less frequently.
This has occurred in both X11 and Wayland, with the crash generally being more
disruptive now under Wayland, since all apps are lost. Whenever I try to report
this via DrKonqi it tells me the crash info isn't useful, even after installing
debug info, so this could be getting underreported. I don't think I have
anything particularly unusual in terms of config.
Lots of backtraces attached along with sysinfo. Anything else you need let me
know.
STEPS TO REPRODUCE
Not deterministcally reproducible every time, but most often recently the crash
occurs as the mouse is moved over an application tab on the Task Manager.
OBSERVED RESULT
KWin segmentation fault, all applications closed, black screen then return to
empty desktop
EXPECTED RESULT
No crash
SOFTWARE/OS VERSIONS
This has been ongoing for a long time with no resolution, for example see
https://bugs.kde.org/show_bug.cgi?id=437925. Still occured in Fedora 38 and 39,
with their relevant versions of KDE.
Linux/KDE Plasma: Fedora 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
ADDITIONAL INFORMATION
Using Wayland, but same crash happened on X11
AMD graphics
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