Application: plasmashell (5.8.3)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.27-2-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
When I unplug my laptop from docking station
- Unusual behavior I noticed:
KDE plasma sometimes lost task bar and I must restart plasma, but today kde plasma crached

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdadf091900 (LWP 2631))]

Thread 8 (Thread 0x7fda164c1700 (LWP 2976)):
#0  0x00007fdad4ec07b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdad4e7e837 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdad4e7f230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdad90be32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdad8ea6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fda178e98f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#8  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fda26e8d700 (LWP 2831)):
#0  0x00007fdad4ec07d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdad4e7e9e8 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdad4e7f230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdad90be32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdad8ea6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdadcd35632 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fdab57a9700 (LWP 2757)):
#0  0x00007fdad7fc50af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fdade77493b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fdade774969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fdab745f700 (LWP 2711)):
#0  0x00007fdad87b749d in poll () at /lib64/libc.so.6
#1  0x00007fdad4e7f314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdad90be32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad8ea6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdadc1b29b8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fdac4f5b700 (LWP 2684)):
#0  0x00007fdad4e7c6af in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fdad4e7e8fb in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdad4e7f230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fdad90be32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdad8ea6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fdadc1b29b8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fdac69a2700 (LWP 2651)):
#0  0x00007fdad87b749d in poll () at /lib64/libc.so.6
#1  0x00007fdad4e7f314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fdad90be32b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad8ea6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fdad9c271d5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fdac85a8700 (LWP 2645)):
#0  0x00007fdad87b749d in poll () at /lib64/libc.so.6
#1  0x00007fdadd6eb402 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fdadd6ed14f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fdaca906839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fdad8eab9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdad7fc0734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdad87bfd3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fdadf091900 (LWP 2631)):
[KCrash Handler]
#6  0x00007fdadeaac0c4 in PlasmaQuick::ContainmentView::containment() const () at /usr/lib64/libKF5PlasmaQuick.so.5
#7  0x000000000043d89e in  ()
#8  0x000000000043d7ef in  ()
#9  0x00007fda18a077ae in  () at /usr/lib64/qt5/plugins/plasma/applets/plasma_applet_notifications.so
#10 0x00007fdad90981c3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fdac537c434 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#12 0x00007fdad906b270 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fdaca904be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#14 0x00007fdaca906c3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#15 0x00007fdad9099166 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#16 0x00007fdad9ff5e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007fdad9ffa49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007fdad906dfc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fdad906fdaa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007fdad90bec83 in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007fdad4e7f134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#22 0x00007fdad4e7f388 in  () at /usr/lib64/libglib-2.0.so.0
#23 0x00007fdad4e7f42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#24 0x00007fdad90be30c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#25 0x00007fdad906bfdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#26 0x00007fdad9073ec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#27 0x000000000041eacf in  ()
#28 0x00007fdad86f66e5 in __libc_start_main () at /lib64/libc.so.6
#29 0x000000000041ed39 in _start ()

Reported using DrKonqi