[kde] [Bug 463648] Various pieces of QML-based KDE software crash on launch in QQmlPropertyCacheCreator<QQmlTypeCompiler>::propertyCacheForObject()

[Eugene Savitsky]

https://bugs.kde.org/show_bug.cgi?id=463648

--- Comment #37 from Eugene Savitsky <eugene.savitsky at gmail.com> ---
1. OK, I got it myself :)

2. For some reason the cache file today was not affecting the system and there
was no crash copying it back... :-/

3. But I test Linux with Tumbleweed, that has "Time Machine", so I can go back
any time.

4. ~> QT_LOGGING_RULES=qt.qml.diskcache*=true plasmashell --replace
kf.plasma.quick: Applet preload policy set to 1
qt.qml.diskcache: Checksum mismatch for cached version of
"file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml"
KCrash: Attempting to start /usr/bin/plasmashell
KCrash: Application 'plasmashell' crashing... crashRecursionCounter = 2
Segmentation fault (core dumped)
kf.plasma.quick: Applet preload policy set to 1
qt.qml.diskcache: Checksum mismatch for cached version of
"file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml"
KCrash: Attempting to start /usr/bin/plasmashell
KCrash: Application 'plasmashell' crashing... crashRecursionCounter = 2
kf.plasma.quick: Applet preload policy set to 1
qt.qml.diskcache: Checksum mismatch for cached version of
"file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml"

And it attempts to start plasmashell forever...

~> kinfo
Operating System: openSUSE Tumbleweed 20250417
KDE Plasma Version: 6.3.80
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.0
Kernel Version: 6.14.2-1-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5825U with Radeon Graphics
Memory: 16 GiB of RAM (14.5 GiB usable)
Graphics Processor: llvmpipe

5. I use the Icons + Text vertical panel, if that may help.

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