https://bugs.kde.org/show_bug.cgi?id=440294
Bug ID: 440294
Summary: Failing to reactivate drm sessions
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: aleix...@kde.org
Target Milestone: ---
The easiest way to reproduce is by switching back and forth from the tty, but
it can be reproduced when changing screen modes as well.
I did a bit of research and it seems the first failing instance is here:
* KWin::DrmBackend::deactivate
* KWin::DrmOutput::hideCursor
* KWin::DrmPipeline::setCursor
* drmModeSetCursor
strerror claims to be "Permission denied" there. DRM follows and just starts
crashing after that. Reminds me of the problem I solved with
b3ddb11b7cf8f9a817142903fa356bf764691cf7, which is now gone since several
refactorings.
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