https://bugs.kde.org/show_bug.cgi?id=491868
Bug ID: 491868
Summary: Black screen on external display (no wallpaper, no
icons, can't get a context menu on right-click)
Classification: Plasma
Product: plasmashell
Version: 6.1.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
SUMMARY
This issue is a follow-up to this one:
https://bugs.kde.org/show_bug.cgi?id=487134 with some minor differences.
I run KDE on a laptop with external display connected over HDMI. Built-in
display is disabled in "Display Configuration" and external display is
configured as the only one enabled.
After boot -> startx -> logout -> startx sequence black screen is shown on
external display. No wallpaper, no icons, can't get a context menu on
right-click. Only task panel is visible and usable.
It happens randomly but pretty consistently.
As a workaround I use the following command which restarts plasmashell and then
everything is OK again:
kquitapp6 plasmashell && kstart plasmashell &
There are no errors in journal related to KDE, only some warnings but it is
hard to tell if any of those are relevant to this issue. Let me know if any
particular logs can help investigate the issue.
STEPS TO REPRODUCE
1. Have a laptop and external display
2. Connect external display over HDMI
3. Using "Display Configuration" disable built-in display and enable only
external one
4. Reboot
5. KDE is loaded correctly via startx
6. Log out
7. startx
OBSERVED RESULT
Black screen.
EXPECTED RESULT
Wallpaper and icons.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
Kernel Version: 6.6.42-1-lts (64-bit)
Graphics Platform: X11
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