https://bugs.kde.org/show_bug.cgi?id=461068
Bug ID: 461068
Summary: kscreen_osd_ser coredumps when pressing Fn+F7 (monitor
config key)
Classification: Plasma
Product: KScreen
Version: 5.26.2
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: OSD
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 153236
--> https://bugs.kde.org/attachment.cgi?id=153236&action=edit
gdb_session.log
SUMMARY
plasma-kscreen-osd.service crashes when activating the monitor configuration
key on a laptop. All functionality seems to still work, which seems to be
because it crashes in the destructor. This is fully reproducible. A log of the
coredumpctl session is attached.
STEPS TO REPRODUCE
1. On a Lenovo Thinkpad P15 Gen1, press Fn+F7. This brings up a OSD display to
change the external display config (mirror, extend left, ...). This appears to
work correctly.
2. Notice how the systemd user service plasma-kscreen-osd.service is now
crashed.
OBSERVED RESULT
A crashed systemd unit, plus a core dump in /var/lib/systemd/coredump/.
EXPECTED RESULT
No crash? I mean, that is what I usually expect at least!
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 5.26.2
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6
ADDITIONAL INFORMATION
The laptop has nvidia graphics and is running in nvidia mode (not intel or
hybrid). I don't know if this makes a difference. I can't test that however, as
the external monitors are connected directly to the nvidia GPU and thus won't
work in intel mode. Additionally, hybrid mode is very unstable and crashy
preventing testing that entirely.
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