https://bugs.kde.org/show_bug.cgi?id=466820
Bug ID: 466820
Summary: Flickering when starting X11 session with 6.2.1 /
6.2.2
Classification: Plasma
Product: kwin
Version: 5.27.2
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: meier_david...@hotmail.com
Target Milestone: ---
SUMMARY
***
Using AMD iGPU of my AM5 on the Host, as soon as I start my Computer with
Kernel 6.2.1 / 6.2.2 the screen starts flickering. I could narrow it down
thanks to the help in the arch forums
https://bbs.archlinux.org/viewtopic.php?pid=2087933#p2087933 to the compositor,
currently writing this on 6.2 and x11 with suspended the compositor
(SHIFT+alt+F12) to remove the flickering.
***
STEPS TO REPRODUCE
1. Arch installation with current 6.1 LTS and 6.2
2. Boot 6.2 and Login to X11 User Session -> Flickering
3. Reboot to 6.1 LTS and Login to X11 User Session -> no Flickering
4. Boot 6.2 and Login to X11 User Session -> Flickering, Disable compositor
(SHIFT+alt+F12) -> no Flickering
OBSERVED RESULT
Links to two videos: https://imgur.com/E712RcP https://imgur.com/TKhXO5l
EXPECTED RESULT
No flickering with enabled compositor on X11
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.2.2-arch1-1 (64-bit) / LTS 6.1.14-1-arch1 (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
Processors: 32 × AMD Ryzen 9 7950X 16-Core Processor
Memory: 62.0 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: ASUS
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