https://bugs.kde.org/show_bug.cgi?id=464730
Bug ID: 464730
Summary: [Wayland] Games Stuttering/Drop FPS periodically till
ATL+Tabbed
Classification: Plasma
Product: kwin
Version: 5.26.90
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: ec...@tutanota.com
Target Milestone: ---
SUMMARY
Testing out the Latest KDE Plasma Beta on Arch Ive encountered that a couple of
my games after a short period of play begin stuttering excessively and frame
rate drops to 30-33fps. The games in question are Generation Zero, No Mans Sky,
and Monster Hunter World.
Generation Zero and Monster Hunter World do it most readily, GZ begins
stuttering and dropping frames to the point of being unplayable, MHW does it as
you load into the game. No Mans Sky on the other hand is hard to pin down as
the games performance can be a bit wonky at the best of times. This continues
until you alt+tab out of the game and then back in. This fixes the issue for a
short period till you again have to alt+tab.
Changing compositor settings doesnt change the situation regardless of what
settings for latency or smoothness are used and this doesnt occur on the latest
stable 5.26.5 release or on other DEs. My best guess is this is related to Kwin
as i cant think of anything else that may cause this. I havent yet reproduced
this on an X11 session.
Please let me know if any other information is needed
STEPS TO REPRODUCE
1. Run/Play one of the Listed games (or possibly others may also do it) on
wayland
2. Game begins to stutter down to 30-33fps
3. Alt+Tab
OBSERVED RESULT
Game Stutters/Drops FPS till you alt+tab
EXPECTED RESULT
Game Shouldnt stutter
SOFTWARE/OS VERSIONS
Linux: Arch Linux
KDE Plasma Version: 5.26.90
KDE Frameworks Version: 5.102.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
System
-------
Ryzen 5600x
RX 6800 Mesa 22.3.3
32gb Ram
Arch Linux 6.1.7-zen1-1-zen
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