[kde] [Bug 461931] New: After resume from hibernate or sleep, Xorg process uses high cpu

[zyf0330]

https://bugs.kde.org/show_bug.cgi?id=461931

            Bug ID: 461931
           Summary: After resume from hibernate or sleep, Xorg process
                    uses high cpu
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Ubuntu
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: zyf034100 at gmail.com
  Target Milestone: ---

SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
symbols.
See
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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.

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