https://bugs.kde.org/show_bug.cgi?id=428429
Bug ID: 428429
Summary: Graphical errors that appear somewhat frequently
Product: kwin
Version: 5.20.2
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: scene-opengl
Assignee: kwin-bugs-n...@kde.org
Reporter: mich...@erikgranger.name
Target Milestone: ---
SUMMARY
With an AMD RX590, using the Oibaf PPA drivers, I'll experience graphical
artifacts every 10-20 minutes or so. It will appear as though a portion of the
screen is stuck in place, and will ignore the rest of the screen around it. For
instance, if using a web browser, you can scroll down but part of the window
won't update to indicate that you have, while another part does. I managed to
grab a screenshot of this effect (occurring within the shader wallpaper).
https://i.imgur.com/rFzJYpz.png
If I go to the compositor settings, and toggle the rendering backend to OpenGL
2.0, apply, then switch it back to OpenGL 3.1, this fixes all graphical errors
temporarily.
Display configuration:
https://i.imgur.com/OBLHKNQ.png
OpenGL Info:
https://i.imgur.com/uQFDUnu.png
STEPS TO REPRODUCE
1. Hang out doing whatever it is you do
2. Watch as the graphical errors appear
OBSERVED RESULT
System becomes graphically buggy, some portions of the screen refuse to change
when the window changes
EXPECTED RESULT
System should not become graphically buggy
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.4.0-51-generic
KDE Plasma Version: 5.20.2
KDE Frameworks Version: 5.75.9
Qt Version: 5.15.0
ADDITIONAL INFORMATION
Using Oibaf's AMD drivers from his PPA
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