https://bugs.kde.org/show_bug.cgi?id=438552
Bug ID: 438552
Summary: Applications can not be focussed anymore and leave a
ghost
Product: kwin
Version: 5.22.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: core
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Since the upgrade to 5.22 kwin sometimes fails to correctly redraw application
when switching desktop. It's hard to describe, but it looks like kwin tries to
focus the new window under cursor, then fails. The window stays transparent and
can not be focussed anymore. When closing the application a ghost of the
application is left behind on all desktops.
The only work-around is starting "kwin --repace &"
STEPS TO REPRODUCE
1. Upgrade to 5.22
2. Switch desktop (glide)
3. Focus window
OBSERVED RESULT
The focussed application can not be activated. Closing it leaves a ghost.
EXPECTED RESULT
Focusing the application focusses the application, closing it doesn't leave a
ghost.
Operating System: Kubuntu 21.04
KDE Plasma Version: 5.22.0
KDE Frameworks Version: 5.82.0
Qt Version: 5.15.2
Kernel Version: 5.12.10 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
Memory: 31.2 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
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