https://bugs.kde.org/show_bug.cgi?id=486397
Bug ID: 486397
Summary: plasmoidviewer crashes (core dump) for widgets that
use QtWebEngine
Classification: Plasma
Product: Plasma SDK
Version: 6.0.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: plasmoidviewer
Assignee: plasma-b...@kde.org
Reporter: k...@huftis.org
CC: giorgos.tsiapalio...@kde.org, m...@ratijas.tk
Target Milestone: ---
SUMMARY
When using plasmoidviewer to open a Plasma widget which uses QtWebEngine, the
application immediately crashes.
STEPS TO REPRODUCE
1. From the command-line, run either
plasmoidviewer --applet org.kde.plasma_applet_dict
or
plasmoidviewer --applet org.kde.plasma.webbrowser‘
OBSERVED RESULT
A window is briefly shown, but then plasmoidviewer crashes with an error
message ending with:
QtWebEngineQuick::initialize() must be called from the Qt gui thread.
Aborted (core dumped)
EXPECTED RESULT
No crash and a working standalone Plasma widget shown.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240425
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.8.7-1-default (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-2500 CPU @ 3.30GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 1060 3GB/PCIe/SSE2
ADDITIONAL INFORMATION
The crash also happens when using plasmawindowed:
plasmawindowed org.kde.plasma_applet_dict
However, it does not happen when adding the widgets to the desktop, and it does
not seem to happen for widgets that don’t use QtWebEngine.
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