Bug 509866 - Playing videos with hardware decoding turned on causes KDE Plasma shell to constantly crash on Vivaldi flatpak
Summary: Playing videos with hardware decoding turned on causes KDE Plasma shell to co...
Status: RESOLVED DUPLICATE of bug 509192
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (other bugs)
Version First Reported In: 6.4.5
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-09-24 12:57 UTC by Gustavo
Modified: 2025-09-24 13:26 UTC (History)
1 user (show)

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

Attachments
Crash log (574.98 KB, text/x-log)
2025-09-24 12:59 UTC, Gustavo 		Details
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Description Gustavo 2025-09-24 12:57:54 UTC 
SUMMARY
Hardware video decoding on Vivaldi browser is causing plasmashell to constantly crash in infinite loop while playing a video on Youtube. Turning off hardware decoding solves the issue

STEPS TO REPRODUCE
1. Install Vivaldi browser flatpak (7.6.3797.55)
2. Open Vivaldi browser
3. Have video hardware acceleration decode turned on
4. Open a video on browser, like from youtube
5. plasmashell will start crashing in an infinite loop while you keep reproducing the video

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 42
KDE Plasma Version: 6.4.5 
KDE Frameworks Version: 6.18.0 
Qt Version:  6.9.2
Graphics Platform: Wayland
Browser: Vivaldi 7.6.3797.55

ADDITIONAL INFORMATION
Comment 1 Gustavo 2025-09-24 12:59:52 UTC 
Created attachment 185211 [details]
Crash log
Comment 2 Antonio Rojas 2025-09-24 13:26:09 UTC 

*** This bug has been marked as a duplicate of bug 509192 ***