https://bugs.kde.org/show_bug.cgi?id=467998
Bug ID: 467998
Summary: Alt+tab freezes desktop
Classification: Plasma
Product: Active Window Control
Version: unspecified
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: General
Assignee: zrenf...@gmail.com
Reporter: pi...@n42.tech
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
Sometimes when switching between windows screen freezes - I can stil use my
mouse, but clock is frozen, I can't use alt-tab anymore, nor click on any
application from app launcher.
Logout/reboot helps.
Alternatively I'm executing script from another TTY, which unfeezes the screen,
but doesn't bring back functionality of alt+tab:
```
#!/bin/bash
export DISPLAY=:0
pkill plasmashell ; sleep 1 ; systemctl --user start plasma-plasmashell.service
kwin --replace &
plasmashell --replace
killall plasmashell
kstart5 plasmashell
```
STEPS TO REPRODUCE (this happens randomly):
1. alt+tab during work
OBSERVED RESULT
Frozen desktop.
EXPECTED RESULT
Switched window.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.24.7
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3
Kubuntu 22.04.2
ADDITIONAL INFORMATION
n/a
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