https://bugs.kde.org/show_bug.cgi?id=358574

            Bug ID: 358574
           Summary: Monitor starts flickering occasionally until I do
                    *any* change to the compositor settings
           Product: systemsettings
           Version: 5.5.3
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: bjarkemoens...@gmail.com

I'm using the Cube setup for multiple workspaces (3x3) in Kubuntu. After a few
days, my monitor started flickering, especially (but not only) when changing
between workspaces. I Googled that I should select 'full screen repaints' under
'vsync' in the compositor settings. This momentarily solved the problem, but it
returned a couple of days later. The problem goes a few for a few days when I
perform seemingly any change in the compositor settings and click 'apply' -
even if I, say, select a different setting for vsync, select the original one
again, and only THEN click 'apply', so it seems something magical is happening
when the apply button is pressed.
Feel free to contact me with any questions.

Reproducible: Sometimes

Steps to Reproduce:
1. Enable multiple workspaces (3x3) with cube animation.
2. Change compositor settings
3. Reboot a few times (there doesn't seem to be a pattern)

Actual Results:  
Monitor flickers wildly until compositor settings are changed again.

Expected Results:  
Monitor would stop flickering permanently after selecting 'full screen
repaints' for vsync settings.

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