https://bugs.kde.org/show_bug.cgi?id=505711
Bug ID: 505711
Summary: Severe graphical artifacts appear on screen
(Plasma/Wayland/NVIDIA)
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: shy.bath6...@fastmail.com
Target Milestone: ---
SUMMARY
Random glitches appear on screen. Vertical and horizontal artifacts appear on
the desktop (not above application windows) in random places.
My desktop consists of three 4K monitors running at 60Hz connected via
DisplayPort to an NVIDIA Quadro RTX 4000 (8GB VRAM).
The glitches are impossible to screenshot so I recorded this video:
https://vimeo.com/1094161150
This has been happening since I first installed Linux on this system months
ago, and after several Plasma updates the issue persists so I'm filing this bug
report. This is my primary workstation and I'm running Gnome on Wayland
(without a problem) until this gets resolved.
Artifacts do appear in Plasma X11, but they're different. Random rectangles
will appear on screen or inside Konsole (for example), but it's not as bad as
Plasma Wayland. However, due to the poor performance on X11 (application
windows are really slow to resize and minimize/maximize), I cannot use Plasma
X11 productively either.
I have not experienced any strange artifacts/glitches in Gnome 48 Wayland nor
Hyprland 0.49.0.
I have not experienced this issue with Plasma Wayland on my CachyOS laptops
with Intel integrated graphics.
STEPS TO REPRODUCE
1. Login to Plasma Wayland
2. Open System Settings
3.
OBSERVED RESULT
Glitches appear on screen
EXPECTED RESULT
No glitches
SOFTWARE/OS VERSIONS
Linux distro: CachyOS
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Kernel: 6.12.33-1-cachyos-lts
Graphics Processor: NVIDIA Quadro RTX 4000
$ pacman -Q | grep -i nvidia
lib32-nvidia-utils 575.57.08-2
lib32-opencl-nvidia 575.57.08-2
libva-nvidia-driver 0.0.14-1.1
linux-cachyos-lts-nvidia-open 6.12.33-1
linux-cachyos-nvidia-open 6.15.2-2
nvidia-settings 575.57.08-2
nvidia-utils 575.57.08-4
opencl-nvidia 575.57.08-4
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