https://bugs.kde.org/show_bug.cgi?id=491005
Bug ID: 491005
Summary: Massive stuttering when GPU is almost 100% load after
updating to linux 6.10
Classification: Plasma
Product: kwin
Version: 6.1.3
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: linx.system....@gmail.com
Target Milestone: ---
***
After updating linux to 6.10 I observer massive stuttering when GPU is almost
100% load
There is no issue in linux 6.9.9
There is no issue in KDE X11 session
There is no issue in Gnome Mutter Wayland
Downdrading KWin to 6.1.2/6.1.1/6.1.0 does not help
***
I uploaded 2 videos to better see the issue: one from linux 6.10 (stuttering) -
https://www.youtube.com/watch?v=Es8pQ1GKjPo
Another from linux 6.9.9 (smooth fps) -
https://www.youtube.com/watch?v=Uh413bco3HA
STEPS TO REPRODUCE
1. Update linux to 6.10 or newer
2. Launch some GPU-heavy game
3. Make sure GPU is about 97-100% load
OBSERVED RESULT
Stuttering
EXPECTED RESULT
Smooth fps
SOFTWARE/OS VERSIONS
Linux: 6.10.2.arch1
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
GPU: AMD Radeon RX 6900 XT (AMDGPU, RADV)
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