https://bugs.kde.org/show_bug.cgi?id=477741
Bug ID: 477741
Summary: kwin sometimes renders a previous frame on wayland
Classification: Plasma
Product: kwin
Version: 5.90.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: mooodyhun...@outlook.com
Target Milestone: ---
SUMMARY
On some cases kwin re-renders a previous frame in some unknown cases.
A link to a recorded video is attached below, in the video I repeatedly run
`vim /etc/pacman.conf` and :q, you can see in
konsole's window there're sometimes glitches.
https://vimeo.com/889705276
STEPS TO REPRODUCE
1. use plasma 6 beta 1 (alpha also has this bug)
2. do something (e.g. open a konsole window, run some command that'll output
something)
3. observe the glitch
OBSERVED RESULT
vim's output flashes in konsole
EXPECTED RESULT
nothing
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.90.0
KDE Frameworks Version: 5.246.0
Qt Version: 6.6.1
Kernel Version: 6.6.3-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 32 × 13th Gen Intel® Core™ i9-13900HX
Memory: 62.6 GiB of RAM
Graphics Processor: llvmpipe
Manufacturer: LENOVO
Product Name: 82WK
System Version: Legion Y9000P IRX8
ADDITIONAL INFORMATION
kwin_wayland is indeed using my NVIDIA gpu but idk why it's reporting
"llvmpipe"
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