https://bugs.kde.org/show_bug.cgi?id=447669
Bug ID: 447669
Summary: Xorg crash when zooming or changing brightness in
Plasma/X11 session
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-x11-standalone
Assignee: kwin-bugs-n...@kde.org
Reporter: m...@ratijas.tk
Target Milestone: ---
SUMMARY
At first log in, such usual actions as changing monitor brightness or zooming
in (KWin effect), consistently crashes the whole X11 session, which in turn
throws back to the SDDM greeting screen.
Starting from second log in onward, sessions won't crash again until reboot.
STEPS TO REPRODUCE
1. Reboot the computer.
2. Log in into Plasma/X11 session
3. Change brightness via keyboard (special brightness keys), or zoom in
(Meta++)
OBSERVED RESULT
Xorg crashes, bringing down the whole Plasma session as well as all and any
running applications
EXPECTED RESULT
Shtability.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.23.4
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.15.11-arch2-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 970M/PCIe/SSE2
nvidia: 495.46-5
xorg-server: 21.1.2-2
ADDITIONAL INFORMATION
Backtraces are very long, so I'm posting those as GitLab snippets instead of
inlining here.
https://invent.kde.org/-/snippets/2025
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