https://bugs.kde.org/show_bug.cgi?id=493142
Bug ID: 493142
Summary: Visiting certain websites in Firefox causes
kwin_wayland to freezes and consume 100% cpu
Classification: Plasma
Product: kwin
Version: 6.1.4
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: martin-ko...@protonmail.com
Target Milestone: ---
SUMMARY
Browsing sites with a map with Firefox (wayland mode) causes kwin_wayland to
freezes and consume 100% cpu.
I've encountered it with:
https://dopravniinfo.cz/
https://www.openstreetmap.org/edit (account required)
STEPS TO REPRODUCE
1. Open Firefox in wayland mode (MOZ_ENABLE_WAYLAND=1), use a clean profile to
make sure there are no modifications to default rendering options
2. Go to https://dopravniinfo.cz/ (A national traffic information map)
(dismiss the tutorial modal by clicking outside of it or press the button
labeled "Preskocit")
3. Zoom around - have the SVG map render elements
OBSERVED RESULT
Kwin freezes immediately or pretty quickly 10-30s
kwin_wayland process is using 100% cpu
EXPECTED RESULT
Doesn't freeze
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Gentoo
KDE Plasma Version: 6.1.4
KDE Frameworks Version: 6.5.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
Also happens on the OSM web editor https://www.openstreetmap.org/edit
I've had something similar happen with Plasma 5, but the freeze recovered after
30-60 seconds. But not this time.
Might be related to https://bugs.kde.org/show_bug.cgi?id=492506
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