https://bugs.kde.org/show_bug.cgi?id=444137
Bug ID: 444137
Summary: Green pixel artifacts on 5.23.1
Product: kwin
Version: 5.23.1
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-x11-standalone
Assignee: kwin-bugs-n...@kde.org
Reporter: edrix...@protonmail.com
Target Milestone: ---
Created attachment 142687
--> https://bugs.kde.org/attachment.cgi?id=142687&action=edit
Visual artifact on window shadow
SUMMARY
Hi, I'm using KDE Neon User Edition with X11 on my AMD laptop.
I'm having green pixel artifacts on dark stuff since upgrading from 5.23.0 to
5.23.1.
They usually flicker and don't appear on screenshots.
I had to downgrade back to 5.23.0 and now they're gone, I couldn't check if
Wayland sessions are effected too.
Changing themes, disabling compositor or changing backend and other options
didn't help, all kinds of visual stuff seems to be affected including window
shades, virt-manager client screens, mpv videos etc.
STEPS TO REPRODUCE
1. Install Plasma 5.23.0.
2. Open some greyish stuff, it can be images, IDE's Chromium address bar.
3. You should see green, flickering single-pixel artifacts.
OBSERVED RESULT
Green, single pixel artifacts on greyish visual areas.
EXPECTED RESULT
No artifacts.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE Neon User Edition 5.23.1
KDE Plasma Version: 5.23.1
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
CPU:
AMD Ryzen 7 PRO 4750U
Kernels Tried:
5.14.13-38-generic
5.14.9-38-generic
5.11.0-38-generic
Graphics:
Device-1: AMD Renoir driver: amdgpu v: kernel
Display: x11 server: X.Org 1.20.11 driver: amdgpu,ati unloaded:
fbdev,modesetting,vesa
resolution: 1920x1080~60Hz, 1920x1080~60Hz
OpenGL: renderer: AMD RENOIR (DRM 3.40.0 5.11.0-38-generic LLVM
12.0.0) v: 4.6 Mesa 21.0.3
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