https://bugs.kde.org/show_bug.cgi?id=511017
Bug ID: 511017
Summary: Cursor appears as “pixelated mess” on AMD GPU in
Plasma 6.5 Wayland session
Classification: Plasma
Product: kwin
Version First 6.5.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
After upgrading to Plasma 6.5 on Arch Linux with Mesa 25.2.5 and a Radeon HD
7850 GPU, the mouse cursor becomes completely pixelated (“kasha”) in a Wayland
session.
Plasma version: 6.5.0
KWin version: 6.5.0
Mesa version: 25.2.5-1
GPU: Radeon HD 7850
Session type: Wayland
The cursor is normal under X11, and changing cursor themes in System Settings
has no effect. Restarting Plasma or SDDM does not fix it.
This appears to be a regression in KWin Wayland cursor rendering on AMD/Mesa,
likely related to hardware cursor composition.
Steps to reproduce:
Upgrade to Plasma 6.5 on Arch Linux with AMD GPU and Mesa 25.2.5.
Log in to a Wayland session via SDDM.
Observe that the cursor is fully pixelated.
Expected behavior:
Cursor should display normally, as it does under X11.
Actual behavior:
Cursor is fully corrupted (“pixelated mess”) and unusable.
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