https://bugs.kde.org/show_bug.cgi?id=513151

            Bug ID: 513151
           Summary: Computer freezes immediately before the screen
                    entering in power saving mode
    Classification: Plasma
           Product: kwin
      Version First 6.5.4
       Reported In:
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: wayland-generic
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Created attachment 187478
  --> https://bugs.kde.org/attachment.cgi?id=187478&action=edit
journal log

SUMMARY
Since update to Plasma 6.5.4, sometimes my computer freezes completely (I can't
even move the mouse cursor) immediately before the screen enters in power
saving mode. The screen dims partially and then the computer freezes completely
and I need to force reboot
.
The journal log says this when the computer freezes:
kwin_wayland[1119]: atomic commit failed: Invalid argument

I use a single screen with intel iGPU.
I'm attaching the full journal log.

STEPS TO REPRODUCE
1. set the screen to automatically turn off after timeout
2. wait until the timeout is reached
3. 

OBSERVED RESULT
sometimes computer freezes immediately before the screen entering in power
saving mode

EXPECTED RESULT
the observed result should not occur

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.20.0
Qt Version: 6.10.1
Kernel Version: 6.17.9-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-4790 CPU @ 3.60GHz
Memory: 32 GiB of RAM (31,2 GiB usable)
Graphics Processor: Intel® HD Graphics 4600

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