https://bugs.kde.org/show_bug.cgi?id=351300

Alexander <a...@jawnet.net> changed:

           What    |Removed                     |Added
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                 CC|                            |a...@jawnet.net

--- Comment #3 from Alexander <a...@jawnet.net> ---
Change Vsync from "Automatic" -> "Never"


I have seen and experienced this on some machines. It drives you crazy, because
it can work fine for long periods and then other times it occurs repeatily.

I eventually solved this by disabling "Tearing Prevention", setting it to
"Never". The default setting is generally "Automatic".

In "System Settings" -> "Display and Monitor" -> "Compositor".
Tearing Prevention ("vsync") is the option.

* Nvidia graphics card was present in laptop that suffered from it the most.
  Exactly how you describe and your right about there not being any information 
  or discussions on the issue. The biggest problem is trying to describe the
  issue to report and search. You did a top effort on your description.    
  Detailing the error requires effort, searching for it is a real challenge.
  This was about 12 months ago. I am using Korora, which is Fedora.

* I suspect that any other weird graphical glitches in the Windows or around    
  KDE, that this option will probably be related to it.

  I have had some not very common glitches very recently, but I have just
turned    
  that option off, on this machine now and I am confident that it will not
occur  
  anymore.

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