https://bugs.kde.org/show_bug.cgi?id=520361
Bug ID: 520361
Summary: Connecting monitor through DisplayLink dock crashes
KWin
Classification: Plasma
Product: kwin
Version First git master
Reported In:
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 192427
--> https://bugs.kde.org/attachment.cgi?id=192427&action=edit
kwin_wayland all threads backtrace from GDB attached via SSH
DESCRIPTION
When I connect my InnoView INVPM003 portable monitor
(https://www.amazon.com/dp/B0CZ8JZWPX) through my Minisopuru MD6950U
DisplayLink dock (https://minisopuru.com/products/md6950u), KWin Wayland 6.7.80
(kde-builder) crashes, every time. The crash does not happen with KWin X11
6.7.80 (kde-builder) or KWin Wayland 6.6.5 (root system).
I have attached a GDB backtrace. There are some unknown symbols in the
backtrace where llvmpipe is mentioned, but I have installed all the debuginfo
packages that could be installed.
STEPS TO REPRODUCE
1. Turn on DisplayLink dock after the InnoView monitor is connected to the dock
and the dock is connected to my laptop via USB C port.
2. Wait for KWin to use the InnoView monitor.
OBSERVED RESULT
KWin crashes repeatedly until I turn off the DisplayLink dock. KWin stops
trying to restart if I wait long enough.
EXPECTED RESULT
KWin doesn't crash.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20260516
KDE Plasma Version: 6.7.80
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.0
Kernel Version: 7.0.7-1-default (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 4800H with Radeon Graphics
Memory: 32 GiB of RAM (30.8 GiB usable)
Graphics Processor: AMD Radeon Graphics
Manufacturer: Eluktronics
Product Name: THINN-15
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