Application: korgac (5.1.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-20-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Kontact crashes if I change the default language or spell correction in my identities. This is reproducable for each change.

The crash can be reproduced every time.

-- Backtrace:
Application: KOrganizer-Erinnerungsmodul (korgac), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6fd3761940 (LWP 11267))]

Thread 4 (Thread 0x7f6fcb3e9700 (LWP 11284)):
#0  0x00007f6fe1ea5a64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6fe1e61436 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6fe9561a9b in QEventDispatcherGlib::processEvents (this=0x7f6fc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007f6fe9508dea in QEventLoop::exec (this=this@entry=0x7f6fcb3e8c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f6fe93258a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f6fe932a84e in QThreadPrivate::start (arg=0x1f798c0) at thread/qthread_unix.cpp:331
#6  0x00007f6fe23826fa in start_thread (arg=0x7f6fcb3e9700) at pthread_create.c:333
#7  0x00007f6fe8a2ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6fcabe8700 (LWP 11286)):
#0  0x00007f6fe93dab8c in QElapsedTimer::clockType () at tools/qelapsedtimer_unix.cpp:150
#1  0x00007f6fe93dabd9 in QElapsedTimer::isMonotonic () at tools/qelapsedtimer_unix.cpp:145
#2  0x00007f6fe955fa2e in QTimerInfoList::repairTimersIfNeeded (this=0x7f6fbc002cd0) at kernel/qtimerinfo_unix.cpp:155
#3  0x00007f6fe955faa3 in QTimerInfoList::timerWait (this=0x7f6fbc002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:382
#4  0x00007f6fe9560e7e in timerSourcePrepareHelper (timeout=0x7f6fcabe7ac4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#5  timerSourcePrepare (source=<optimized out>, timeout=0x7f6fcabe7ac4) at kernel/qeventdispatcher_glib.cpp:160
#6  0x00007f6fe1e608ad in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6fe1e6124b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f6fe1e6142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6fe9561a9b in QEventDispatcherGlib::processEvents (this=0x7f6fbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#10 0x00007f6fe9508dea in QEventLoop::exec (this=this@entry=0x7f6fcabe7c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#11 0x00007f6fe93258a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#12 0x00007f6fe932a84e in QThreadPrivate::start (arg=0x1f6d330) at thread/qthread_unix.cpp:331
#13 0x00007f6fe23826fa in start_thread (arg=0x7f6fcabe8700) at pthread_create.c:333
#14 0x00007f6fe8a2ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6fca3e7700 (LWP 11288)):
#0  0x00007f6fe1ea5a49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6fe1e61418 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6fe9561a9b in QEventDispatcherGlib::processEvents (this=0x7f6fc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007f6fe9508dea in QEventLoop::exec (this=this@entry=0x7f6fca3e6c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f6fe93258a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f6fe932a84e in QThreadPrivate::start (arg=0x1f65ba0) at thread/qthread_unix.cpp:331
#6  0x00007f6fe23826fa in start_thread (arg=0x7f6fca3e7700) at pthread_create.c:333
#7  0x00007f6fe8a2ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6fd3761940 (LWP 11267)):
[KCrash Handler]
#6  0x00007f6fed0b4c90 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#7  0x00007f6fed0b0894 in KCalCore::Calendar::setupRelations(QSharedPointer<KCalCore::Incidence> const&) () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#8  0x00007f6fed0eebac in KCalCore::MemoryCalendar::addIncidence(QSharedPointer<KCalCore::Incidence> const&) () from /usr/lib/x86_64-linux-gnu/libKF5CalendarCore.so.5
#9  0x00007f6feda88e9e in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#10 0x00007f6feda966f8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#11 0x00007f6feda97959 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5
#12 0x00007f6fe9539e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffd9845fc20, r=0x1efefc0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=sender@entry=0x1f81980, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd9845fc20) at kernel/qobject.cpp:3698
#14 0x00007f6fe953a7d7 in QMetaObject::activate (sender=sender@entry=0x1f81980, m=m@entry=0x7f6fe9753ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd9845fc20) at kernel/qobject.cpp:3578
#15 0x00007f6fe95b61e6 in QAbstractItemModel::layoutChanged (this=this@entry=0x1f81980, _t1=..., _t2=_t2@entry=QAbstractItemModel::NoLayoutChangeHint) at .moc/moc_qabstractitemmodel.cpp:562
#16 0x00007f6fe94d7466 in QSortFilterProxyModelPrivate::_q_sourceLayoutChanged (this=<optimized out>, sourceParents=..., hint=QAbstractItemModel::NoLayoutChangeHint) at itemmodels/qsortfilterproxymodel.cpp:1364
#17 0x00007f6fe94dc79b in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0x1f81980, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=10, _a=_a@entry=0x7ffd9845fe60) at .moc/moc_qsortfilterproxymodel.cpp:207
#18 0x00007f6fe9539fca in QMetaObject::activate (sender=sender@entry=0x1f62a70, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd9845fe60) at kernel/qobject.cpp:3713
#19 0x00007f6fe953a7d7 in QMetaObject::activate (sender=sender@entry=0x1f62a70, m=m@entry=0x7f6fe9753ec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd9845fe60) at kernel/qobject.cpp:3578
#20 0x00007f6fe95b61e6 in QAbstractItemModel::layoutChanged (this=this@entry=0x1f62a70, _t1=..., _t2=_t2@entry=QAbstractItemModel::NoLayoutChangeHint) at .moc/moc_qabstractitemmodel.cpp:562
#21 0x00007f6fe94d716a in QSortFilterProxyModel::invalidate (this=0x1f62a70) at itemmodels/qsortfilterproxymodel.cpp:2548
#22 0x00007f6fe9539e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffd9845ff80, r=0x1f62a70, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#23 QMetaObject::activate (sender=0x1f79340, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3698
#24 0x00007f6fec7aaae1 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5IdentityManagement.so.5
#25 0x00007f6fec7ac885 in KIdentityManagement::IdentityManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libKF5IdentityManagement.so.5
#26 0x00007f6fee4a4913 in QDBusConnectionPrivate::deliverCall (this=0x1e909f0, object=0x1f79340, msg=..., metaTypes=..., slotIdx=12) at qdbusintegrator.cpp:978
#27 0x00007f6fe953aea1 in QObject::event (this=0x1f79340, e=<optimized out>) at kernel/qobject.cpp:1239
#28 0x00007f6fe9dfe05c in QApplicationPrivate::notify_helper (this=this@entry=0x1e483b0, receiver=receiver@entry=0x1f79340, e=e@entry=0x21f88b0) at kernel/qapplication.cpp:3716
#29 0x00007f6fe9e03516 in QApplication::notify (this=0x7ffd98460920, receiver=0x1f79340, e=0x21f88b0) at kernel/qapplication.cpp:3499
#30 0x00007f6fe950b62b in QCoreApplication::notifyInternal (this=0x7ffd98460920, receiver=0x1f79340, event=event@entry=0x21f88b0) at kernel/qcoreapplication.cpp:965
#31 0x00007f6fe950da26 in QCoreApplication::sendEvent (event=0x21f88b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1e267f0) at kernel/qcoreapplication.cpp:1593
#33 0x00007f6fe950df08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#34 0x00007f6fe9561673 in postEventSourceDispatch (s=0x1e79f40) at kernel/qeventdispatcher_glib.cpp:271
#35 0x00007f6fe1e61127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6fe1e61380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f6fe1e6142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f6fe9561a7f in QEventDispatcherGlib::processEvents (this=0x1e79800, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#39 0x00007f6fe9508dea in QEventLoop::exec (this=this@entry=0x7ffd984607a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#40 0x00007f6fe9510e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#41 0x00000000004177d5 in main ()

Reported using DrKonqi