https://bugs.kde.org/show_bug.cgi?id=473235
Bug ID: 473235
Summary: screen artefacts don't disappear anymore after
switching tty
Classification: Plasma
Product: kwin
Version: 5.27.7
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: sk.griffi...@gmail.com
Target Milestone: ---
SUMMARY
***
In many cases after hibernating/waking from sleep, I get a blank screen. In
past kde versions, switching tty session usually solved the issue. For example,
switching back and forth once would lead to screen with artefacts, then
repeating it couple of times restored the display. In the latest version, no
amount of switching helps, since I can only get screen with artefacts, and only
solutions appear to be restarting kwin, or resetting AMD driver, both of which
end the applications running in that session (which is undesirable).
***
STEPS TO REPRODUCE
1. Wake from hibernate to get a blank screen (not dependably reproducible.
Occurs about half the time with no particular trigger I can identify.
2. Switch tty sessions back and forth (ctrl+alt+F3 followed by ctrl+alt+F2)
3. Repeat multiple times
OBSERVED RESULT
The tty2 session continues to show screen artefacts (its unusable with
horizontal banding in entire screen)
EXPECTED RESULT
tty2 session showed normal display
SOFTWARE/OS VERSIONS
Linux Kernel Version: 6.4.6-1-MANJARO (64-bit)
AMD driver: amdgpu
Mesa version: 23.0.2-2
KDE Frameworks Version: 5.108.0
Qt Version: 5.15.10
GPU: Advanced Micro Devices, Inc. [AMD/ATI] Bonaire XTX [Radeon R7 260X/360]
ADDITIONAL INFORMATION
I know the main issue is display not restoring after hibernating, but I have
made peace with that issue and I don't expect it to be resolved easily or
anytime soon. However, the workaround of switching tty sessions was okay since
it restored the display while preserving the running applications. However some
change in the latest plasma release broke the workaround, and I end up losing
my running applications. Hence, I would be very thankful if it was somehow
restored
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