Bug 509866

Summary:	Playing videos with hardware decoding turned on causes KDE Plasma shell to constantly crash on Vivaldi flatpak
Product:	[Plasma] plasmashell	Reporter:	Gustavo <gustavogyn>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	kde
Priority:	NOR
Version First Reported In:	6.4.5
Target Milestone:	1.0
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	Crash log

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 ***