https://bugs.kde.org/show_bug.cgi?id=465827
Bug ID: 465827
Summary: Segmentation fault in plasmashell when unplugging a
display connected via USB-C / Thunderbolt 4
Classification: Plasma
Product: plasmashell
Version: 5.27.0
Platform: Slackware
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: oli...@diereehs.de
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
Flags: Wayland-, X11+
SUMMARY
Segmentation fault in plasmashell when unplugging a display connected via USB-C
/ Thunderbolt 4
STEPS TO REPRODUCE
1. connect a display with USB-C / TB4
2. disconnect it
OBSERVED RESULT
drkonqi report a segfault in plasmashell
Application: Plasma (plasmashell), signal: Segmentation fault
[KCrash Handler]
#4 0x0000000000435e30 in ()
#5 0x000000000044e8b0 in ()
#6 0x00007f4c4feea6a2 in () at /usr/lib64/libQt5Core.so.5
#7 0x00007f4c4feee41a in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#8 0x00007f4c4fedf53d in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#9 0x00007f4c50b703ce in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#10 0x00007f4c4feb5458 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#11 0x00007f4c4ff08f31 in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#12 0x00007f4c4ff0973c in () at /usr/lib64/libQt5Core.so.5
#13 0x00007f4c4eb1dd79 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#14 0x00007f4c4eb1dfe8 in () at /usr/lib64/libglib-2.0.so.0
#15 0x00007f4c4eb1e06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#16 0x00007f4c4ff09a16 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#17 0x00007f4c4feb403b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#18 0x00007f4c4febbb42 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#19 0x00000000004259e6 in ()
#20 0x00007f4c4f62c6b7 in __libc_start_call_main () at /lib64/libc.so.6
#21 0x00007f4c4f62c775 in __libc_start_main_impl () at /lib64/libc.so.6
#22 0x0000000000425c01 in ()
[Inferior 1 (process 14409) detached]
EXPECTED RESULT
no segfault
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Slackware x64
KDE Plasma Version: 5.27.0
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
this happens only in X11 not in wayland
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