https://bugs.kde.org/show_bug.cgi?id=413396
Bug ID: 413396
Summary: kwin_wayland crash when displays turned back on
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-wayland
Assignee: kwin-bugs-n...@kde.org
Reporter: t...@r.je
Target Milestone: ---
Created attachment 123458
--> https://bugs.kde.org/attachment.cgi?id=123458&action=edit
journal from previous boot
SUMMARY
The system freezes when displays are turned off then back on.
STEPS TO REPRODUCE
1. Allow KDE to turn off the screen using power management ( Energy Saving >
enable "Screen energy saving" )
2. Wait for the screen to turn off
3. Press a key to bring the screens back on
OBSERVED RESULT
The screens turn back on but I see the output of systemd with "reached
graphical target". The system is completely frozen and I can't even switch TTY.
EXPECTED RESULT
The screens should come back on and display the desktop.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.17.1
KDE Frameworks Version: 5.63.0
Qt Version: 5.13.1
ADDITIONAL INFORMATION
I'm using two monitors with a radeon VII and the AMDGPU driver.
It works as expected in Xorg, it's only kwin_wayland that's affected.
I've attached my journal from the previous boot, it looks like the crash may
actually happen when the screens turn off, not when they come back on.
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