https://bugs.kde.org/show_bug.cgi?id=432574
Bug ID: 432574
Summary: kwin_wayland master (drm backend) on qxl tries to fall
back to XRender, and then segfaults
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bluescreenaven...@gmail.com
Target Milestone: ---
SUMMARY
Hi
It seems that kwin_wayland on qxl is now trying to fall back to XRender again
Where instead, it should probably try to fall back to QPainter
Here is some of the scrollback I get:
failed to load driver: qxl
Driver: Unknown
Driver Version: 0.0
GPU class: Unknown
OpenGL version: 0.0
Linux Kernel Version: 5.10
Rquires strict binding: yes
GLSL shaders: yes
texture npot support: no
kwin_scene_opengl: GL_ARB_texture_non_power_of two and GL_ARB_texture_rectangle
are missing
kwin_sc ene_opengl: OpenGL driver recommends Xrender based compositing. Falling
back to Xrender
forcing KWIN_COMPOSE=Q is a workaround that works
I am not sure when this started, but I think it was working probably in
December, but I don't test everyday
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux 5.10.0
(available in About System)
KDE Plasma Version: Master
KDE Frameworks Version: Master
Qt Version: 5.15
ADDITIONAL INFORMATION
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