https://bugs.kde.org/show_bug.cgi?id=513040
Bug ID: 513040
Summary: black screen in kwin wayland after disconnecting usb-c
monitor
Classification: Plasma
Product: kwin
Version First 6.5.3
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 187408
--> https://bugs.kde.org/attachment.cgi?id=187408&action=edit
journalctl log
SUMMARY
My main setup contains of a laptop running KDE wayland, connected to a monitor
via USB-C. The laptop display is configured to be off then the external monitor
is connected. _Sometimes_ after I a) open the laptop lid b) disconnect the
external monitor the laptop display never comes back and remains black. I can
"fix" this by ssh'ing and running `kwin --replace` from other device, but this
kills the session and brightness keys no longer work for laptop screen.
Rebooting obviously fixes this.
STEPS TO REPRODUCE
1. Have a running KDE wayland session with laptop (screen of) and external
monitor via USB-C
2. Disconnect the external monitor and hope it reproduces
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.5.3
KDE Frameworks Version: 6.20.0
Qt Version: 6.9.3
Kernel Version: 6.17.8-200.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i5-1135G7 @ 2.40GHz
Memory: 32 GiB of RAM (31.1 GiB usable)
Graphics Processor: Intel® Iris® Xe Graphics
ADDITIONAL INFORMATION
attaching a journalctl log of the event. The relevant lines are probably
Dec 07 10:49:19 fw kwin_wayland[1600]: kwin_wayland_drm: Atomic modeset test
failed! Invalid argument
Dec 07 10:49:19 fw kwin_wayland[1600]: kwin_wayland_drm: Setting dpms mode
failed!
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