https://bugs.kde.org/show_bug.cgi?id=488871
Bug ID: 488871
Summary: `kwin_x11` hogs CPU
Classification: Plasma
Product: plasmashell
Version: 6.0.5
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: desktop:/ IOWorker
Assignee: plasma-b...@kde.org
Reporter: t...@gmx.de
Target Milestone: 1.0
Created attachment 170726
--> https://bugs.kde.org/attachment.cgi?id=170726&action=edit
system monitor showing high cpu usage of kwin_x11
(this is likely reported in the wrong place, please move where it belongs)
SUMMARY
Since an update a week ago (Discover > update all > reboot), the `kwin_x11`
hogs CP. Consequently, the machine becomes hot and the fan is always running
high.
That CPU usage is usually in the th 20..35% range, even when `kwin_x11` is
sleeping.
STEPS TO REPRODUCE
1. Update
2. Reboot
OBSERVED RESULT
As stated above and in screenshot.
EXPECTED RESULT
`kwin_x11` should burn much less cycles.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240613
KDE Plasma Version: 6.0.5
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1
Kernel Version: 6.9.3-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 31,1 GiB of RAM
Graphics Processor: llvmpipe
This may be related to #465424; like there, I use an external HDPI monitor on a
laptop.
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