https://bugs.kde.org/show_bug.cgi?id=454194
Bug ID: 454194
Summary: System crash when connecting monitors via a USB hub
Product: kde
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: h...@outlook.com.au
Target Milestone: ---
SUMMARY
Sometimes, when I plug my laptop into my USB-C dock, my system crashes, taking
me back to the login screen and killing all my active tasks. This doesn't
happen all the time, and is quite unpredictable, but seems to happen the most
after startup. Since I get no error popups, I'm not sure where to get a
traceback from, but if someone can tell me, I can try to grab one the next time
I get a crash.
If it helps, this is the list of other bugs I get with my dock:
* Ethernet is broken unless I reconnect my dock after logging in.
* The external displays frequently lose their settings, meaning I need to
reconfigure my entire desktop for those displays again (I think this is 353975
or 427861).
* Sometimes audio from the dock is very stuttery, and can only be fixed after a
restart.
* My system tray keeps removing its configuration so all the icons reappear,
even though I've permanently hidden them.
The crash seems to be more likely to happen if I connect the dock to a
different USB port to usual.
My dock is a Lenovo ThinkPad Hybrid USB-C with USB-A Dock.
STEPS TO REPRODUCE
1. Connect dock
OBSERVED RESULT
Everything crashes and I lose all my work, or my desktop loses all its
settings, or my audio becomes stuttery, or the system tray resets.
EXPECTED RESULT
My external displays connect normally, keeping their standard settings and not
breaking massively.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 22.04
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.3
Kernel Version: 5.15.0-30-generic (64-bit)
Graphics Platform: X11
Processors: 12 × Intel® Core™ i7-10750H CPU @ 2.60GHz
Memory: 15.4 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
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