https://bugs.kde.org/show_bug.cgi?id=453214
Bug ID: 453214
Summary: kwin_wayland SIGSEGV when switching monitor input with
a KVM
Product: kwin
Version: 5.24.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: jo...@skold.cc
Target Milestone: ---
Created attachment 148466
--> https://bugs.kde.org/attachment.cgi?id=148466&action=edit
Backtrace produced by GDB
SUMMARY
I have my computer connected to a KVM through DisplayPort. When I switch input
away from it and then back again, kwin_wayland segfaults after a very brief
moment of showing my desktop (milliseconds rather than seconds).
I'm attaching a backtrace as produced using the commands at
https://community.kde.org/KWin/Debugging#TL.3BDR_for_bug_reporters
STEPS TO REPRODUCE
1. Using a KVM switch input away from the machine running KDE
2. Using the same KVM switch, switch input back to the machine running KDE
OBSERVED RESULT
kwin_wayland segfaults, taking the entire desktop and everything that was
running in it down with it before restarting.
EXPECTED RESULT
kwin_wayland does not crash.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.17.4-300.fc36.x86_64
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.91.0
Qt Version: 5.13.3
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