Bug 461931 - After resume from hibernate or sleep, Xorg process uses high cpu; `kwin --replace` fixes it
Summary: After resume from hibernate or sleep, Xorg process uses high cpu; `kwin --rep...
Status: REPORTED
Alias: None
Product: kwin
Classification: Plasma
Component: platform-x11-standalone (show other bugs)
Version: 5.25.5
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-11-17 02:55 UTC by zyf0330
Modified: 2023-01-07 00:05 UTC (History)
1 user (show)

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Sentry Crash Report:

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Description zyf0330 2022-11-17 02:55:54 UTC 
SUMMARY
***
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***


STEPS TO REPRODUCE
1. hibernate
2. wake up after one night

OBSERVED RESULT
Xorg use about 30% cpu, and UI lags a little.

EXPECTED RESULT
Normally, Xorg should use 3-7% cpu.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 22.10
(available in About System)
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6

ADDITIONAL INFORMATION
After upgrade from Ubuntu 22.04 to 22.10, this problem occurs.
And, after call `kwin --replace`, Xorg cpu usage is back to normal.