https://bugs.kde.org/show_bug.cgi?id=419880
Bug ID: 419880
Summary: Chromium/electron app repainting bug
Product: kwin
Version: 5.18.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: glx
Assignee: kwin-bugs-n...@kde.org
Reporter: markovs.i.m...@gmail.com
Target Milestone: ---
SUMMARY
I've created demo video with the bug:
https://drive.google.com/file/d/1RxXezieDaVNh27wWU04lyTlA--BkRCPd/view?usp=sharing
In most cases it happens after couple of days of uptime. Restarting kwin solves
the problem. The bug affects not only video playback, but all application UI.
i.e. on 0:21 I click "add tab" and it appears only after repaint on 0:22.
Electron apps can also be affected in some rare cases.
STEPS TO REPRODUCE
I haven't found any stable way to reproduce this. In mosy cases you just need 1
week of uptime and chrome running all the time.
Operating System: KDE neon 5.18
KDE Plasma Version: 5.18.4
KDE Frameworks Version: 5.68.0
Qt Version: 5.14.1
Kernel Version: 5.3.0-45-generic
OS Type: 64-bit
Processors: 4 × Intel® Xeon® CPU E3-1225 V2 @ 3.20GHz
Memory: 23,4 GiB of RAM
OpenGL vendor string: X.Org
OpenGL renderer string: Radeon 550 Series (POLARIS12, DRM 3.33.0,
5.3.0-45-generic, LLVM 9.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.2.8
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.5 (Compatibility Profile) Mesa 19.2.8
OpenGL shading language version string: 4.50
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.2.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
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