https://bugs.kde.org/show_bug.cgi?id=431217
Bug ID: 431217
Summary: Kwin_x11 crashes on rk3399 when OpenGL is enabled with
Mesa 20.3 or above
Product: kwin
Version: 5.20.4
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: scene-opengl
Assignee: kwin-bugs-n...@kde.org
Reporter: st...@manjaro.org
Target Milestone: ---
Created attachment 134607
--> https://bugs.kde.org/attachment.cgi?id=134607&action=edit
kwin_x11 crash log
SUMMARY
Since Mesa 20.3 release, Kwin 5.20.4 has not been able to run with OpenGL
support on rk3399 ARM boards, like the Rock Pi 4 and Pinebook Pro.
I did a git bisect on mesa to see what commit of theirs caused this behaviour
and found it to be:
https://gitlab.freedesktop.org/mesa/mesa/-/commit/60ebeb4608a871ba89ba081c1c6e7ebdd5efec9a
While, undoing this commit, does indeed give me back OpenGL compositing, the
Mesa devs pointed out in my bug report to them, that it's likely a kwin issue
instead.
Mesa bug report: https://gitlab.freedesktop.org/mesa/mesa/-/issues/4042
STEPS TO REPRODUCE
1. Install Mesa 20.3 on an rk3399 based device (Pinebook Pro was used here)
2. Make sure OpenGL 2.0 is selected in System Settings -> Display -> Compositor
3. Reboot
OBSERVED RESULT
When the Plasma session starts, Kwin_x11 immediately crashes with the attached
output in the crash handler.
EXPECTED RESULT
OpenGL compositing should work just as it does on mesa 20.2.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.77.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
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