https://bugs.kde.org/show_bug.cgi?id=448694
Bug ID: 448694
Summary: X-Server crashes some time after waking on NVidia card
Product: kwin
Version: 5.23.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: critical
Priority: NOR
Component: core
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I have a P20 workstation and the NVidia only driver mode configured. When I go
to sleep mode and wake up, a few graphic glitches like flickering objects
occur, until after some time the x-server seems to crash. Windows get gray and
you only see fractals or black shades. My colleagues don't have any issues on
Unity or GNOME.
When graphic issues occur, I usually try to restart kwin and plasmashell, but
it doesn't work in this case. Could also be that kwin core is not the issue
here, but I wouldn't know where else to submit this bug.
STEPS TO REPRODUCE
1. Set up the NVidia graphics driver on ThinkPad P20
2. Go to sleep mode
3. Wake up again
OBSERVED RESULT
After some times severe graphic issues occur.
EXPECTED RESULT
No glitches.
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
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