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Soon after I upgraded to Ubuntu 20.10, I've been experiencing these "diagonal tears" of sorts. I tried to reinstall with version 21.04, but it didn't work.

Here's what I have on my computer:

  • Intel pentium
  • Mesa drivers
  • KDE Plasma 5 desktop

This is an example image with the highlighted text being where the effect is most visible:

Screen Tearing

Edit: I reinstalled Ubuntu 20.04, but that did not solve the issue. At this point. I'm thinking that it's an issue with drivers included with the installation or, worst-case, my graphics hardware being broken or corrupt. Hopefully, it's just the former.

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  • Same problem here on both GNOME and KDE, I've reinstalled just about everything I can think of. Has anything worked for you?
    – Andrew Mellor
    Jun 8, 2021 at 19:49

1 Answer 1

Reset to default
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I found out that this was an issue with the kernel. The issue is present from 5.8.0-49 to 5.12.5. It was fixed in 5.12.6. If you are having this issue, you should upgrade your kernel.

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  • You are allowed to accept your own answer, if you wish.
    – Levente
    Jun 23, 2021 at 20:52

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