Bug 513014

Summary: Graphical Glitches appear covering wallpaper, panel, and tray icons after wake from sleep until restart plasmashell
Product: [Plasma] plasmashell Reporter: Asteroid <asteroiderer>
Component: generalAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: normal CC: kde, nate
Priority: NOR    
Version First Reported In: 6.5.3   
Target Milestone: 1.0   
Platform: EndeavourOS   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: example of the graphical bug

Description Asteroid 2025-12-06 15:30:20 UTC
Created attachment 187396 [details]
example of the graphical bug

SUMMARY
I woke my PC from sleep mode and these rectangle graphical glitches were scattered across the whole wallpaper on both displays, the panel, and the tray icons, but NOT on top of Task Manager icons nor Folder View icons. They also appeared differently placed over the firefox windows I had opened when I viewed them. The bugs went away there when switching tabs. Nothing changed on the wallpaper, panel, etc. until I restarted plasma with "kquitapp6 plasmashell && plasmashell" which removed the glitches. I believe I can safely assume logging out and back in would produce the same effect. I've had similar rectangle glitches before in earlier bugs in Plasma, so I'm pretty certain it has to do with Plasma having an issue with my Nvidia GPU.

STEPS TO REPRODUCE
1. Go into sleep mode.
2. Wake from sleep mode. 

OBSERVED RESULT
Graphical glitches appear covering wallpaper, panel, and tray icons after wake from sleep until restart plasmashell

EXPECTED RESULT
No graphical glitch rectangle things

SOFTWARE/OS VERSIONS
Operating System: EndeavourOS 
KDE Plasma Version: 6.5.3
KDE Frameworks Version: 6.20.0
Qt Version: 6.10.1
Kernel Version: 6.12.60-1-lts (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 69 GB of RAM (66.6 GB usable)
Graphics Processor: NVIDIA GeForce RTX 3090 Ti
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7E12
System Version: 1.0

ADDITIONAL INFORMATION
I attached an image to this. Hopefully it worked.
Comment 1 Nate Graham 2025-12-08 20:37:35 UTC
I'm afraid the problem is in the proprietary NVIDIA drivers. You may be able to manually fix it by following the instructions at https://community.kde.org/Distributions/Packaging_Recommendations#Proprietary_NVidia_driver_configuration.

If you've already done those steps, or they don't fix it, then it't just an NVIDIA issue.  In that case, please report this issue to the NVIDIA folks, either by sending an email to linux-bugs@nvidia.com or making a post at https://forums.developer.nvidia.com/c/gpu-graphics/linux. It would be helpful to the NVIDIA developers if you could run nvidia-`bug-report.sh` and attach the resulting file in your report. Thanks!