Bug 439402 - After kwin_x11 replace, the window of Firefox goes transparent and glitched
Summary: After kwin_x11 replace, the window of Firefox goes transparent and glitched
Status: RESOLVED DOWNSTREAM
Alias: None
Product: kwin
Classification: Plasma
Component: compositing (other bugs)
Version First Reported In: 5.22.2
Platform: openSUSE Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-07-02 12:10 UTC by Fushan Wen
Modified: 2021-07-13 00:07 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:

Attachments
The window of Firefox goes glitched after kwin replace (3.28 MB, video/mp4)
2021-07-02 12:10 UTC, Fushan Wen 		Details
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Description Fushan Wen 2021-07-02 12:10:34 UTC 
Created attachment 139800 [details]
The window of Firefox goes glitched after kwin replace

SUMMARY
After running kwin_x11 --replace in console, the window of Firefox doesn't show orignal browser contents anymore, instead visual glitch is made.

STEPS TO REPRODUCE
1. Open a Firefox window
2. Run kwin_x11 --replace

OBSERVED RESULT
the window of Firefox goes transparent and glitched.

EXPECTED RESULT
The window of Firefox still shows original browser contents.

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20210628
KDE Plasma Version: 5.22.2
KDE Frameworks Version: 5.83.0
Qt Version: 5.15.2
Kernel Version: 5.12.13-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × AMD Ryzen 7 4700U with Radeon Graphics
Memory: 15.0 GiB of RAM
Graphics Processor: AMD RENOIR

ADDITIONAL INFORMATION
Firefox 90.0b12
Comment 1 Fushan Wen 2021-07-02 12:25:03 UTC 
After disabling GPU acceleration of Firefox, the bug cannot be reproduced anymore.
However, Edge browser is not affected by kwin replace.