Application: kontact (4.7.2)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

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

launching kontact sometimes it fully starts up and displays mail folders etc but often it dosen't even get beyond showing the window outline

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
[Current thread is 1 (Thread 0x7f73c3b577a0 (LWP 2055))]

Thread 4 (Thread 0x7f73a9f78700 (LWP 2057)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f73c03a4c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f73c03a4d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f73bb7a5efc in start_thread (arg=0x7f73a9f78700) at pthread_create.c:304
#4  0x00007f73c10b289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f73a9677700 (LWP 2058)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f73c104f9df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f73c104dd71 in __GI___libc_free (mem=0x7f73c136b1c0) at malloc.c:3736
#3  0x00007f73c24eec63 in QTimerInfoList::unregisterTimer (this=0x2273490, timerId=2130706438) at kernel/qeventdispatcher_unix.cpp:499
#4  0x00007f73c24ddd51 in stop (this=0x227c0e0) at kernel/qtimer.cpp:257
#5  QTimer::stop (this=0x227c0e0) at kernel/qtimer.cpp:254
#6  0x00007f73c24dde55 in QTimer::timerEvent (this=0x227c0e0, e=<optimized out>) at kernel/qtimer.cpp:270
#7  0x00007f73c24d9789 in QObject::event (this=0x227c0e0, e=<optimized out>) at kernel/qobject.cpp:1181
#8  0x00007f73c1873424 in notify_helper (e=0x7f73a9676b80, receiver=0x227c0e0, this=0x20c42c0) at kernel/qapplication.cpp:4486
#9  QApplicationPrivate::notify_helper (this=0x20c42c0, receiver=0x227c0e0, e=0x7f73a9676b80) at kernel/qapplication.cpp:4458
#10 0x00007f73c1878291 in QApplication::notify (this=0x7fff756572d0, receiver=0x227c0e0, e=0x7f73a9676b80) at kernel/qapplication.cpp:4365
#11 0x00007f73c2ef81e6 in KApplication::notify (this=0x7fff756572d0, receiver=0x227c0e0, event=0x7f73a9676b80) at ../../kdeui/kernel/kapplication.cpp:311
#12 0x00007f73c24c2afc in QCoreApplication::notifyInternal (this=0x7fff756572d0, receiver=0x227c0e0, event=0x7f73a9676b80) at kernel/qcoreapplication.cpp:787
#13 0x00007f73c24efd62 in sendEvent (event=0x7f73a9676b80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QTimerInfoList::activateTimers (this=0x2273490) at kernel/qeventdispatcher_unix.cpp:603
#15 0x00007f73c24ed538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#16 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#17 0x00007f73bacd7a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f73bacd8258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f73bacd8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f73c24eded6 in QEventDispatcherGlib::processEvents (this=0x2273600, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#21 0x00007f73c24c1cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f73c24c1ef7 in QEventLoop::exec (this=0x7f73a9676de0, flags=...) at kernel/qeventloop.cpp:201
#23 0x00007f73c23d927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#24 0x00007f73c23dbd05 in QThreadPrivate::start (arg=0x226c0f0) at thread/qthread_unix.cpp:331
#25 0x00007f73bb7a5efc in start_thread (arg=0x7f73a9677700) at pthread_create.c:304
#26 0x00007f73c10b289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#27 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f735e399700 (LWP 2071)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f73c104f9df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f73c104dd71 in __GI___libc_free (mem=0x7f73c136b1c0) at malloc.c:3736
#3  0x00007f73c24ed665 in socketNotifierSourceCheck (source=0x2b562c0) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007f73bacd7734 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f73bacd7f82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f73bacd8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f73c24eded6 in QEventDispatcherGlib::processEvents (this=0x284eec0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#8  0x00007f73c24c1cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f73c24c1ef7 in QEventLoop::exec (this=0x7f735e398db0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f73c23d927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#11 0x00007f73c24a4cbf in QInotifyFileSystemWatcherEngine::run (this=0x2ca3190) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f73c23dbd05 in QThreadPrivate::start (arg=0x2ca3190) at thread/qthread_unix.cpp:331
#13 0x00007f73bb7a5efc in start_thread (arg=0x7f735e399700) at pthread_create.c:304
#14 0x00007f73c10b289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f73c3b577a0 (LWP 2055)):
[KCrash Handler]
#6  0x00007f73c10073a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f73c100ab0b in __GI_abort () at abort.c:92
#8  0x00007f73c103f113 in __libc_message (do_abort=2, fmt=0x7f73c11300d8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f73c1049a96 in malloc_printerr (action=3, str=0x7f73c1130210 "double free or corruption (fasttop)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007f73c104dd7c in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#11 0x00007f73bde9a438 in Akonadi::EntityTreeModelPrivate::removeItems (this=<optimized out>, it=..., end=<optimized out>, pos=0x7fff756537ec, collection=...) at ../../akonadi/entitytreemodel_p.cpp:1497
#12 0x00007f73bde9a585 in Akonadi::EntityTreeModelPrivate::purgeItems (this=0x26c3fe0, id=13) at ../../akonadi/entitytreemodel_p.cpp:1517
#13 0x00007f73bde94790 in Akonadi::EntityTreeModel::setData (this=0x25edb50, index=..., value=..., role=53) at ../../akonadi/entitytreemodel.cpp:729
#14 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#15 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#16 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#17 0x00007f73c1dfff59 in QAbstractProxyModel::setData (this=<optimized out>, index=<optimized out>, value=..., role=53) at itemviews/qabstractproxymodel.cpp:267
#18 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#19 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#20 0x00007f73c1e00f1d in QSortFilterProxyModel::setData (this=<optimized out>, index=..., value=..., role=53) at itemviews/qsortfilterproxymodel.cpp:1728
#21 0x00007f73bdefe6e4 in rootIndexAboutToBeRemoved (removedRootIndex=..., this=<optimized out>) at ../../akonadi/selectionproxymodel.cpp:59
#22 Akonadi::SelectionProxyModel::qt_metacall (this=0x287a150, _c=<optimized out>, _id=1, _a=0x7fff75653d50) at ./selectionproxymodel.moc:76
#23 0x00007f73bdead39a in Akonadi::FavoriteCollectionsModel::qt_metacall (this=0x287a150, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75653d50) at ./favoritecollectionsmodel.moc:81
#24 0x00007f73c24d5eba in QMetaObject::activate (sender=0x287a150, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75653d50) at kernel/qobject.cpp:3278
#25 0x00007f73c2edaee2 in KSelectionProxyModel::rootIndexAboutToBeRemoved (this=<optimized out>, _t1=<optimized out>) at ./moc_kselectionproxymodel.cpp:147
#26 0x00007f73c2eddb3a in KSelectionProxyModelPrivate::sourceLayoutAboutToBeChanged (this=0x287f640) at ../../kdeui/itemviews/kselectionproxymodel.cpp:726
#27 0x00007f73c2ee792e in KSelectionProxyModel::qt_metacall (this=0x287a150, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654030) at ./moc_kselectionproxymodel.cpp:131
#28 0x00007f73bdefe5f5 in Akonadi::SelectionProxyModel::qt_metacall (this=0x287a150, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654030) at ./selectionproxymodel.moc:70
#29 0x00007f73bdead39a in Akonadi::FavoriteCollectionsModel::qt_metacall (this=0x287a150, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654030) at ./favoritecollectionsmodel.moc:81
#30 0x00007f73c24d5eba in QMetaObject::activate (sender=0x2780450, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#31 0x00007f73c1e0808a in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x2780840, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1157
#32 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x2780450, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75654340) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#33 0x00007f736506d868 in MailCommon::EntityCollectionOrderProxyModel::qt_metacall (this=0x2780450, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at ./entitycollectionorderproxymodel.moc:70
#34 0x00007f73c24d5eba in QMetaObject::activate (sender=0x277fa50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75654340) at kernel/qobject.cpp:3278
#35 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#36 0x00007f73c1e07c1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x277fff0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#37 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x277fa50, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75654620) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#38 0x00007f73c2eb7c60 in KRecursiveFilterProxyModel::qt_metacall (this=0x277fa50, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654620) at ./krecursivefilterproxymodel.moc:78
#39 0x00007f73c24ca4ae in QMetaMethod::invoke (this=0x7fff75654800, object=0x277fa50, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#40 0x00007f73c24cc690 in QMetaObject::invokeMethod (obj=0x277fa50, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#41 0x00007f73c2eb6f6b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7f73c30698f3 "_q_sourceDataChanged", obj=0x277fa50) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#42 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#43 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x25ab240, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#44 0x00007f73c2eb7d56 in KRecursiveFilterProxyModel::qt_metacall (this=0x277fa50, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654d10) at ./krecursivefilterproxymodel.moc:83
#45 0x00007f73c24d5eba in QMetaObject::activate (sender=0x277f550, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75654d10) at kernel/qobject.cpp:3278
#46 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#47 0x00007f73c1e07c1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x277f580, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#48 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x277f550, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75654ff0) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#49 0x00007f73c2eb7c60 in KRecursiveFilterProxyModel::qt_metacall (this=0x277f550, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75654ff0) at ./krecursivefilterproxymodel.moc:78
#50 0x00007f73c24ca4ae in QMetaMethod::invoke (this=0x7fff756551d0, object=0x277f550, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#51 0x00007f73c24cc690 in QMetaObject::invokeMethod (obj=0x277f550, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#52 0x00007f73c2eb6f6b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7f73c30698f3 "_q_sourceDataChanged", obj=0x277f550) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#53 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#54 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x2573d00, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#55 0x00007f73c2eb7d56 in KRecursiveFilterProxyModel::qt_metacall (this=0x277f550, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff756556e0) at ./krecursivefilterproxymodel.moc:83
#56 0x00007f73c24d5eba in QMetaObject::activate (sender=0x277e970, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff756556e0) at kernel/qobject.cpp:3278
#57 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#58 0x00007f73c2eb4a77 in KIdentityProxyModelPrivate::_k_sourceDataChanged (this=<optimized out>, topLeft=..., bottomRight=<optimized out>) at ../../kdeui/itemviews/kidentityproxymodel.cpp:572
#59 0x00007f73c2eb5d46 in KIdentityProxyModel::qt_metacall (this=0x277e970, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75655850) at ./kidentityproxymodel.moc:128
#60 0x00007f73c24d5eba in QMetaObject::activate (sender=0x2611d40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75655850) at kernel/qobject.cpp:3278
#61 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#62 0x00007f73c1e07c1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x277e360, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#63 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x2611d40, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75655b20) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#64 0x00007f73bdf2f390 in Akonadi::StatisticsProxyModel::qt_metacall (this=0x2611d40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75655b20) at ./statisticsproxymodel.moc:72
#65 0x00007f73c24d5eba in QMetaObject::activate (sender=0x22fca40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75655b20) at kernel/qobject.cpp:3278
#66 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#67 0x00007f73c1e07c1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x277d6a0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#68 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x22fca40, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75655e00) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#69 0x00007f73c2eb7c60 in KRecursiveFilterProxyModel::qt_metacall (this=0x22fca40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75655e00) at ./krecursivefilterproxymodel.moc:78
#70 0x00007f73c24ca4ae in QMetaMethod::invoke (this=0x7fff75655fe0, object=0x22fca40, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1597
#71 0x00007f73c24cc690 in QMetaObject::invokeMethod (obj=0x22fca40, member=<optimized out>, type=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1151
#72 0x00007f73c2eb6f6b in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x7f73c30698f3 "_q_sourceDataChanged", obj=0x22fca40) at /usr/include/qt4/QtCore/qobjectdefs.h:410
#73 invokeDataChanged (bottomRight=..., topLeft=..., this=<optimized out>) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:55
#74 KRecursiveFilterProxyModelPrivate::sourceDataChanged (this=0x25f5e30, source_top_left=..., source_bottom_right=...) at ../../kdeui/itemviews/krecursivefilterproxymodel.cpp:131
#75 0x00007f73c2eb7d56 in KRecursiveFilterProxyModel::qt_metacall (this=0x22fca40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff756564f0) at ./krecursivefilterproxymodel.moc:83
#76 0x00007f73c24d5eba in QMetaObject::activate (sender=0x2602240, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff756564f0) at kernel/qobject.cpp:3278
#77 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#78 0x00007f73c1e07c1f in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x26c58e0, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1191
#79 0x00007f73c1e0959b in QSortFilterProxyModel::qt_metacall (this=0x2602240, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff75656790) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:130
#80 0x00007f73c24d5eba in QMetaObject::activate (sender=0x25edb50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75656790) at kernel/qobject.cpp:3278
#81 0x00007f73c251e797 in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qabstractitemmodel.cpp:148
#82 0x00007f73bde982c2 in Akonadi::EntityTreeModelPrivate::dataChanged (this=<optimized out>, top=..., bottom=...) at ../../akonadi/entitytreemodel_p.cpp:1536
#83 0x00007f73bde9996c in Akonadi::EntityTreeModelPrivate::fetchJobDone (this=0x26c3fe0, job=0x2cb7ec0) at ../../akonadi/entitytreemodel_p.cpp:1208
#84 0x00007f73bde8f72b in Akonadi::EntityTreeModel::qt_metacall (this=0x25edb50, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff75656a50) at ./entitytreemodel.moc:145
#85 0x00007f73c24d5eba in QMetaObject::activate (sender=0x2cb7ec0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff75656a50) at kernel/qobject.cpp:3278
#86 0x00007f73c29281d2 in KJob::result (this=<optimized out>, _t1=0x2cb7ec0) at ./kjob.moc:194
#87 0x00007f73c2928210 in KJob::emitResult (this=0x2cb7ec0) at ../../kdecore/jobs/kjob.cpp:312
#88 0x00007f73bded5f4d in Akonadi::Job::qt_metacall (this=0x2cb7ec0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x5431b50) at ./job.moc:91
#89 0x00007f73bdec3745 in Akonadi::ItemFetchJob::qt_metacall (this=0x2cb7ec0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x5431b50) at ./itemfetchjob.moc:73
#90 0x00007f73c24d9a5e in QObject::event (this=0x2cb7ec0, e=<optimized out>) at kernel/qobject.cpp:1217
#91 0x00007f73c1873424 in notify_helper (e=0x58b2d50, receiver=0x2cb7ec0, this=0x20c42c0) at kernel/qapplication.cpp:4486
#92 QApplicationPrivate::notify_helper (this=0x20c42c0, receiver=0x2cb7ec0, e=0x58b2d50) at kernel/qapplication.cpp:4458
#93 0x00007f73c1878291 in QApplication::notify (this=0x7fff756572d0, receiver=0x2cb7ec0, e=0x58b2d50) at kernel/qapplication.cpp:4365
#94 0x00007f73c2ef81e6 in KApplication::notify (this=0x7fff756572d0, receiver=0x2cb7ec0, event=0x58b2d50) at ../../kdeui/kernel/kapplication.cpp:311
#95 0x00007f73c24c2afc in QCoreApplication::notifyInternal (this=0x7fff756572d0, receiver=0x2cb7ec0, event=0x58b2d50) at kernel/qcoreapplication.cpp:787
#96 0x00007f73c24c651f in sendEvent (event=0x58b2d50, receiver=0x2cb7ec0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#97 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20948e0) at kernel/qcoreapplication.cpp:1428
#98 0x00007f73c24eda73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#99 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#100 0x00007f73bacd7a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#101 0x00007f73bacd8258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#102 0x00007f73bacd8429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#103 0x00007f73c24eded6 in QEventDispatcherGlib::processEvents (this=0x2095fd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#104 0x00007f73c191b07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#105 0x00007f73c24c1cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#106 0x00007f73c24c1ef7 in QEventLoop::exec (this=0x7fff75657260, flags=...) at kernel/qeventloop.cpp:201
#107 0x00007f73c24c6789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#108 0x0000000000403629 in main (argc=1, argv=0x7fff756578f8) at ../../../kontact/src/main.cpp:218

Possible duplicates by query: bug 283789, bug 275298, bug 263758, bug 257248, bug 257160.

Reported using DrKonqi