Application: plasmashell (5.19.5)

Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.8.0-31-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.10

-- Information about the crash:
- What I was doing when the application crashed:
Logged in in the session

- Unusual behavior I noticed:
Plasmashell restarts couple of times
Even running the plasmashell--replace leads to dentical behavior

- Custom settings of the application:
No used plasmoids installed

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f6152971894 in CalendarEvents::EventData::type() const () at /lib/x86_64-linux-gnu/libKF5CalendarEvents.so.5
#5  0x00007f61529b14f2 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#6  0x00007f61529b33f1 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#7  0x00007f61529acacc in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#8  0x00007f61529ae471 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#9  0x00007f6174ea4bd5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f6174d9b4aa in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f6174d9d2b2 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f6174db858b in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f6174dbb0b7 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f6174d5808d in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f6174ebea15 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f6174e7607b in QQmlBoundSignalExpression::evaluate(void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f6174e76558 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f6174ea467d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f61737f3e75 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f61529ac8e6 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#21 0x00007f61529b2c71 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#22 0x00007f61737f42e6 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f61529ac939 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#24 0x00007f61737f42e6 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f6152971356 in CalendarEvents::CalendarEventsPlugin::dataReady(QMultiHash<QDate, CalendarEvents::EventData> const&) () at /lib/x86_64-linux-gnu/libKF5CalendarEvents.so.5
#26 0x00007f6152942025 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasmacalendarplugins/holidaysevents.so
#27 0x00007f61529b251f in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#28 0x00007f61737ea651 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f61742ca013 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f61737be1ca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f61737c0bc1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f61738161c7 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f6171c4b4db in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f6171c4b788 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f6171c4b853 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6173815843 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f61737bca4b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f61737c4fc6 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x000055f562f8084b in  ()
#40 0x00007f617316ecb2 in __libc_start_main (main=0x55f562f7fc90, argc=1, argv=0x7ffc266f2ac8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc266f2ab8) at ../csu/libc-start.c:314
#41 0x000055f562f80a2e in _start ()
[Inferior 1 (process 10801) detached]

Possible duplicates by query: bug 429585, bug 428573, bug 428513, bug 428415, bug 428241.

Reported using DrKonqi