https://bugs.kde.org/show_bug.cgi?id=452657
Bug ID: 452657
Summary: [kwin_wayland] 100% cpu usage after user switching
Product: kwin
Version: 5.24.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: kt47uo5u...@protonmail.com
Target Milestone: ---
SUMMARY
After user switching kwin_wayland on 100% cpu usage
STEPS TO REPRODUCE
1. kwin_wayland session in user A
2. switch to user B
OBSERVED RESULT
Often 1 cpu core is on 100% from process of user A:
/usr/bin/kwin_wayland --wayland-fd 5 --socket wayland-0 --xwayland-fd 6
--xwayland-fd 7 --xwayland-display :1 --xwayland-xauthority
/run/user/1001/xauth_zJPcnB --xwayland
If I switch back to user A the cpu usage is back to normal, but sometimes
kwin_wayland from user B is up to 100% again and vice verca.
EXPECTED RESULT
Normal cpu usage
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
Kernel Version: 5.17.3
Graphics Platform: Wayland
ADDITIONAL INFORMATION
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