Bug 322596

Application: korganizer (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-26-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
The to-do had no priority.  I was trying to change the priority to 2.

-- Backtrace:
Application: KOrganizer (korganizer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f323c0167c0 (LWP 3025))]

Thread 3 (Thread 0x7f321e8c6700 (LWP 3033)):
#0  0x00007f323194307f in __pthread_mutex_unlock_usercnt (mutex=0x7f3210000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f32312bc5f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f323127d0ac in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f323127d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3239c6d036 in QEventDispatcherGlib::processEvents (this=0x7f32100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f3239c3d38f in QEventLoop::processEvents (this=this@entry=0x7f321e8c5d90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3239c3d618 in QEventLoop::exec (this=this@entry=0x7f321e8c5d90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3239b3f410 in QThread::exec (this=this@entry=0x2b44cb0) at thread/qthread.cpp:542
#8  0x00007f3239c1eedf in QInotifyFileSystemWatcherEngine::run (this=0x2b44cb0) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f3239b41bec in QThreadPrivate::start (arg=0x2b44cb0) at thread/qthread_unix.cpp:338
#10 0x00007f323193ff8e in start_thread (arg=0x7f321e8c6700) at pthread_create.c:311
#11 0x00007f3238631e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f32175ed700 (LWP 3895)):
#0  0x00007f32312bc359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f32312bc5e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f323127d1d1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f323127d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3239c6d036 in QEventDispatcherGlib::processEvents (this=0x7f320c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f3239c3d38f in QEventLoop::processEvents (this=this@entry=0x7f32175ecd90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3239c3d618 in QEventLoop::exec (this=this@entry=0x7f32175ecd90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3239b3f410 in QThread::exec (this=this@entry=0x40b1f50) at thread/qthread.cpp:542
#8  0x00007f3239c1eedf in QInotifyFileSystemWatcherEngine::run (this=0x40b1f50) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f3239b41bec in QThreadPrivate::start (arg=0x40b1f50) at thread/qthread_unix.cpp:338
#10 0x00007f323193ff8e in start_thread (arg=0x7f32175ed700) at pthread_create.c:311
#11 0x00007f3238631e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f323c0167c0 (LWP 3025)):
[KCrash Handler]
#6  ExternalRefCount (other=..., this=0x7fff4cbc38e0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:396
#7  QSharedPointer (other=..., this=0x7fff4cbc38e0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:480
#8  IncidenceTreeModel::Private::onDataChanged (this=0x2af9e40, begin=..., end=...) at ../../korganizer/views/todoview/incidencetreemodel.cpp:180
#9  0x00007f3239c530ef in QMetaObject::activate (sender=sender@entry=0x2b80f50, m=m@entry=0x7f3239f995e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4cbc3b20) at kernel/qobject.cpp:3539
#10 0x00007f3239c9df97 in QAbstractItemModel::dataChanged (this=this@entry=0x2b80f50, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#11 0x00007f323957593c in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2b80f70, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1210
#12 0x00007f3239c530ef in QMetaObject::activate (sender=sender@entry=0x2b800a0, m=m@entry=0x7f3239f995e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4cbc3dc0) at kernel/qobject.cpp:3539
#13 0x00007f3239c9df97 in QAbstractItemModel::dataChanged (this=this@entry=0x2b800a0, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#14 0x00007f323957593c in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2b800c0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1210
#15 0x00007f3239c530ef in QMetaObject::activate (sender=0x2b7f870, m=m@entry=0x7f3239f995e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4cbc4060) at kernel/qobject.cpp:3539
#16 0x00007f3239c9df97 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#17 0x00007f323ba1d02e in KSelectionProxyModelPrivate::emitContinuousRanges (this=this@entry=0x2b7f9b0, sourceFirst=..., sourceLast=..., proxyFirst=..., proxyLast=...) at ../../kdeui/itemviews/kselectionproxymodel.cpp:645
#18 0x00007f323ba1e943 in KSelectionProxyModelPrivate::sourceDataChanged (this=0x2b7f9b0, topLeft=..., bottomRight=...) at ../../kdeui/itemviews/kselectionproxymodel.cpp:667
#19 0x00007f3239c530ef in QMetaObject::activate (sender=sender@entry=0x2ac3c80, m=m@entry=0x7f3239f995e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4cbc4320) at kernel/qobject.cpp:3539
#20 0x00007f3239c9df97 in QAbstractItemModel::dataChanged (this=this@entry=0x2ac3c80, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#21 0x00007f3234597265 in Akonadi::EntityTreeModelPrivate::dataChanged (this=this@entry=0x2b71e10, top=..., bottom=...) at ../../akonadi/entitytreemodel_p.cpp:1698
#22 0x00007f323459d3d7 in Akonadi::EntityTreeModelPrivate::monitoredItemChanged (this=0x2b71e10, item=...) at ../../akonadi/entitytreemodel_p.cpp:1136
#23 0x00007f3239c530ef in QMetaObject::activate (sender=0x2ac3680, m=m@entry=0x7f32348e7000 <Akonadi::Monitor::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4cbc4590) at kernel/qobject.cpp:3539
#24 0x00007f32345d6157 in Akonadi::Monitor::itemChanged (this=<optimized out>, _t1=..., _t2=...) at ./moc_monitor.cpp:189
#25 0x00007f32345da9db in Akonadi::MonitorPrivate::emitItemNotification (this=this@entry=0x2b71900, msg=..., item=..., collection=..., collectionDest=...) at ../../akonadi/monitor_p.cpp:554
#26 0x00007f32345dbe52 in Akonadi::MonitorPrivate::emitNotification (this=this@entry=0x2b71900, msg=...) at ../../akonadi/monitor_p.cpp:296
#27 0x00007f32345478f9 in Akonadi::ChangeRecorderPrivate::emitNotification (this=0x2b71900, msg=...) at ../../akonadi/changerecorder_p.cpp:54
#28 0x00007f32345d8d0f in Akonadi::MonitorPrivate::flushPipeline (this=this@entry=0x2b71900) at ../../akonadi/monitor_p.cpp:457
#29 0x00007f32345d8da9 in Akonadi::MonitorPrivate::dataAvailable (this=0x2b71900) at ../../akonadi/monitor_p.cpp:466
#30 0x00007f3239c530ef in QMetaObject::activate (sender=sender@entry=0x2ab1ea0, m=m@entry=0x7f32348e4d60 <Akonadi::EntityCacheBase::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#31 0x00007f3234587390 in Akonadi::EntityCacheBase::dataAvailable (this=this@entry=0x2ab1ea0) at ./moc_entitycache_p.cpp:102
#32 0x00007f3234549707 in Akonadi::EntityCache<Akonadi::Item, Akonadi::ItemFetchJob, Akonadi::ItemFetchScope>::processResult (this=0x2ab1ea0, job=<optimized out>) at ../../akonadi/entitycache_p.h:196
#33 0x00007f3239c530ef in QMetaObject::activate (sender=sender@entry=0x43358d0, m=m@entry=0x7f323a44e4e0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff4cbc4ca0) at kernel/qobject.cpp:3539
#34 0x00007f323a0c1a72 in KJob::result (this=this@entry=0x43358d0, _t1=_t1@entry=0x43358d0) at ./kjob.moc:208
#35 0x00007f323a0c1ab0 in KJob::emitResult (this=0x43358d0) at ../../kdecore/jobs/kjob.cpp:318
#36 0x00007f3239c585be in QObject::event (this=0x43358d0, e=<optimized out>) at kernel/qobject.cpp:1194
#37 0x00007f3238fe48ec in QApplicationPrivate::notify_helper (this=this@entry=0x25df680, receiver=receiver@entry=0x43358d0, e=e@entry=0x43352e0) at kernel/qapplication.cpp:4567
#38 0x00007f3238fe725b in QApplication::notify (this=this@entry=0x7fff4cbc5820, receiver=receiver@entry=0x43358d0, e=e@entry=0x43352e0) at kernel/qapplication.cpp:4428
#39 0x00007f323ba3a1a6 in KApplication::notify (this=0x7fff4cbc5820, receiver=0x43358d0, event=0x43352e0) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007f3239c3e63e in QCoreApplication::notifyInternal (this=0x7fff4cbc5820, receiver=receiver@entry=0x43358d0, event=event@entry=0x43352e0) at kernel/qcoreapplication.cpp:946
#41 0x00007f3239c42171 in sendEvent (event=0x43352e0, receiver=0x43358d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x259a6a0) at kernel/qcoreapplication.cpp:1570
#43 0x00007f3239c424a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#44 0x00007f3239c6ce83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#45 postEventSourceDispatch (s=0x25e68b0) at kernel/qeventdispatcher_glib.cpp:279
#46 0x00007f323127cf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f323127d248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f323127d304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007f3239c6d016 in QEventDispatcherGlib::processEvents (this=0x259bb60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#50 0x00007f323908a1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007f3239c3d38f in QEventLoop::processEvents (this=this@entry=0x7fff4cbc55b0, flags=...) at kernel/qeventloop.cpp:149
#52 0x00007f3239c3d618 in QEventLoop::exec (this=this@entry=0x7fff4cbc55b0, flags=...) at kernel/qeventloop.cpp:204
#53 0x00007f3239c42cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#54 0x00007f3238fe2ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#55 0x0000000000407d9a in main (argc=<optimized out>, argv=<optimized out>) at ../../korganizer/main.cpp:60

Possible duplicates by query: bug 319954, bug 315986.

Reported using DrKonqi