https://bugs.kde.org/show_bug.cgi?id=520549
Bug ID: 520549
Summary: Tearing protocol does not work at all on intel arc
B580 graphics card resulting in laggy gameplay.
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
As described, I can't force enable tearing on Intel Arc B580 on wayland
session. It just does not work.
STEPS TO REPRODUCE
1. Add Window rule allowing tearing and blocking compositing on all windows
2. Observe tearing on x11 session.
3. Switch to wayland.
4. Make sure allow tearing on fullscreen windows is enabled.
5. launch a game.
6. jiggle mouse.
7. no observable tearing present and game feels laggy.
OBSERVED RESULT
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Operating System: NixOS 26.05
KDE Plasma Version: 6.6.4
KDE Frameworks Version: 6.25.0
Qt Version: 6.10.2
ADDITIONAL INFORMATION
Built Mesa from git as of april 2026
using the cachyos kernel
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