https://bugs.kde.org/show_bug.cgi?id=483916
Bug ID: 483916
Summary: plasmashell crashes when turning on external monitor
Classification: Plasma
Product: plasmashell
Version: 6.0.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Image Wallpaper
Assignee: plasma-b...@kde.org
Reporter: abderrahman.naj...@gmail.com
CC: notm...@gmail.com, qydwhotm...@gmail.com
Target Milestone: 1.0
Created attachment 167416
--> https://bugs.kde.org/attachment.cgi?id=167416&action=edit
GDB coredump
SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
symbols.
See
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***
For a while now (from before Plasma 6), some KDE apps (namely Konsole) would
crash when turning on an external monitor connected through DP (DP Alt mode on
Thunderbolt/USB-C) while having it as the only display device (i.e. laptop lid
closed).
After upgrading to Plasma 6 most running Qt programs would crash, up to KWin
and the shell itself.
Since my monitor is DP only, I don't have a way of knowing if this would happen
on HDMI as well.
This particular bug happened without even turning the display on and off. I was
changing display settings (resolution, refresh rate, scaling), then changed the
wallpaper when the crash happened.
STEPS TO REPRODUCE 1
1. Connect external display through DP
2. Turn off display, then on again
3. Crash!
STEPS TO REPRODUCE 2
1. Connect external display through DP
2. Change backgrounds
3. Crash!
SOFTWARE/OS VERSIONS
Linux: 6.8.1-arch1-1 (64-bit)
(available in About System)
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
I have limited experience in debugging, so I can't tell where the segfault
occurs in the core. I have a strong suspicion this is related to QML.
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