Application: kontact (4.11.3)
KDE Platform Version: 4.11.3 (Compiled from sources)
Qt Version: 4.8.5
Operating System: Linux 3.11.6-gentoo x86_64
Distribution: "NAME=Gentoo"

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

I clicked on the "Summary" tab by accident. When I do that, kontact crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2ad81ce7c0 (LWP 4614))]

Thread 3 (Thread 0x7f2abe1b1700 (LWP 4626)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:164
#1  0x00007f2ad2c2676d in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f2ad35f52c0 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2495
#2  0x00007f2ad2c26879 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f2acf9d2f3a in start_thread (arg=0x7f2abe1b1700) at pthread_create.c:308
#4  0x00007f2ad541d81d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f2abd8b0700 (LWP 4629)):
#0  0x00007f2ace9adff7 in g_mutex_get_impl (mutex=0x7f2ab80009a0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gthread-posix.c:121
#1  g_mutex_lock (mutex=0x7f2ab80009a0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gthread-posix.c:210
#2  0x00007f2ace966c25 in g_main_context_iterate (context=context@entry=0x7f2ab80009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3668
#3  0x00007f2ace966e44 in g_main_context_iteration (context=0x7f2ab80009a0, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#4  0x00007f2ad6a041c6 in QEventDispatcherGlib::processEvents (this=0x7f2ab80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f2ad69c996f in QEventLoop::processEvents (this=this@entry=0x7f2abd8afe30, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f2ad69c9bc8 in QEventLoop::exec (this=0x7f2abd8afe30, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f2ad689beed in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f2ad689e601 in QThreadPrivate::start (arg=0xced250) at thread/qthread_unix.cpp:338
#9  0x00007f2acf9d2f3a in start_thread (arg=0x7f2abd8b0700) at pthread_create.c:308
#10 0x00007f2ad541d81d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f2ad81ce7c0 (LWP 4614)):
[KCrash Handler]
#6  0x00007f2ad536c2d5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:63
#7  0x00007f2ad536d758 in __GI_abort () at abort.c:90
#8  0x00007f2ad6892c64 in qt_message_output (msgType=msgType@entry=QtFatalMsg, buf=<optimized out>) at global/qglobal.cpp:2323
#9  0x00007f2ad6892de8 in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=msgType@entry=QtFatalMsg, msg=0x7f2ad6a41d58 "ASSERT: \"%s\" in file %s, line %d", ap=ap@entry=0x7fff1b93b9b8) at global/qglobal.cpp:2369
#10 0x00007f2ad6892f74 in qFatal (msg=<optimized out>) at global/qglobal.cpp:2552
#11 0x00007f2a764e5a17 in KCal::CalendarLocal::Private::insertJournal (this=0x5dd0230, journal=journal@entry=0x1768ce0) at /var/tmp/portage/kde-base/kdepimlibs-4.11.3/work/kdepimlibs-4.11.3/kcal/calendarlocal.cpp:577
#12 0x00007f2a764e5ddd in KCal::CalendarLocal::addJournal (this=0x4e315b0, journal=0x1768ce0) at /var/tmp/portage/kde-base/kdepimlibs-4.11.3/work/kdepimlibs-4.11.3/kcal/calendarlocal.cpp:555
#13 0x00007f2a767ba015 in addNote (j=<optimized out>, this=0x7c3ea30) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/kontact/plugins/knotes/summarywidget.cpp:160
#14 qt_static_metacall (_a=0x7fff1b93bca0, _o=0x7c3ea30, _c=<optimized out>, _id=<optimized out>) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3_build/kontact/plugins/knotes/summarywidget.moc:55
#15 KNotesSummaryWidget::qt_static_metacall (_o=0x7c3ea30, _c=<optimized out>, _id=2, _a=0x7fff1b93bca0) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3_build/kontact/plugins/knotes/summarywidget.moc:47
#16 0x00007f2ad69e3777 in QMetaObject::activate (sender=0xbebdc80, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1b93bca0) at kernel/qobject.cpp:3547
#17 0x00007f2a5d988d38 in sigRegisteredNote (_t1=0x1768ce0, this=0xbebdc80) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3_build/knotes/resourcemanager.moc:103
#18 KNotesResourceManager::registerNote (this=0xbebdc80, resource=0xbedd440, journal=0x1768ce0) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/knotes/resourcemanager.cpp:109
#19 0x00007f2a5d98b5e5 in ResourceLocal::load (this=0xbedd440) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/knotes/resourcelocal.cpp:87
#20 0x00007f2a767a9a94 in KNotesResourceManager::load (this=0xbebdc80) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/knotes/resourcemanager.cpp:74
#21 0x00007f2a767b9f5a in KNotesSummaryWidget::KNotesSummaryWidget (this=0x7c3ea30, plugin=<optimized out>, parent=<optimized out>) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/kontact/plugins/knotes/summarywidget.cpp:64
#22 0x00007f2a767aef04 in KNotesPlugin::createSummaryWidget (this=0x1049ed0, parentWidget=0x2870960) at /var/tmp/portage/kde-base/knotes-4.11.3/work/knotes-4.11.3/kontact/plugins/knotes/knotes_plugin.cpp:101
#23 0x00007f2a75e27c90 in SummaryViewPart::updateWidgets (this=this@entry=0x973ec90) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/plugins/summary/summaryview_part.cpp:161
#24 0x00007f2a75e29803 in SummaryViewPart::initGUI (this=this@entry=0x973ec90, core=core@entry=0xe747b0) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/plugins/summary/summaryview_part.cpp:516
#25 0x00007f2a75e29957 in SummaryViewPart::SummaryViewPart (this=0x973ec90, core=0xe747b0, aboutData=0x4e3c770, parent=0xf69360, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/plugins/summary/summaryview_part.cpp:65
#26 0x00007f2a75e239b4 in SummaryView::createPart (this=0xf69360) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/plugins/summary/summaryview_plugin.cpp:110
#27 0x00007f2ad7e16af9 in KontactInterface::Plugin::part (this=0xf69360) at /var/tmp/portage/kde-base/kdepimlibs-4.11.3/work/kdepimlibs-4.11.3/kontactinterface/plugin.cpp:193
#28 0x00007f2ad79d2984 in Kontact::MainWindow::selectPlugin (this=0xe747b0, plugin=0x1206) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/src/mainwindow.cpp:815
#29 0x00007f2ad69e3777 in QMetaObject::activate (sender=0xe627b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1b93c4e0) at kernel/qobject.cpp:3547
#30 0x00007f2ad79dae8e in pluginSelected (_t1=0xf69360, this=0xe627b0) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3_build/kontact/src/sidepanebase.moc:103
#31 Kontact::SidePaneBase::qt_static_metacall (_o=0xe627b0, _c=<optimized out>, _id=0, _a=0x7fff1b93c640) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3_build/kontact/src/sidepanebase.moc:53
#32 0x00007f2ad69e3777 in QMetaObject::activate (sender=0xea0900, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1b93c640) at kernel/qobject.cpp:3547
#33 0x00007f2ad79db6a2 in pluginActivated (_t1=0xf69360, this=0xea0900) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3_build/kontact/src/iconsidepane.moc:109
#34 Kontact::Navigator::slotCurrentChanged (this=this@entry=0xea0900, current=...) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/src/iconsidepane.cpp:477
#35 0x00007f2ad79db9d5 in Kontact::Navigator::qt_static_metacall (_o=0xea0900, _c=<optimized out>, _id=1, _a=0x7fff1b93c7f0) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3_build/kontact/src/iconsidepane.moc:58
#36 0x00007f2ad69e3777 in QMetaObject::activate (sender=0xe7cd10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff1b93c7f0) at kernel/qobject.cpp:3547
#37 0x00007f2ad621ad8a in QItemSelectionModel::currentChanged (this=this@entry=0xe7cd10, _t1=..., _t2=...) at .moc/debug-shared/moc_qitemselectionmodel.cpp:172
#38 0x00007f2ad621ae79 in QItemSelectionModel::setCurrentIndex (this=0xe7cd10, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1175
#39 0x00007f2ad61be44a in QAbstractItemView::mousePressEvent (this=0xea0900, event=<optimized out>) at itemviews/qabstractitemview.cpp:1682
#40 0x00007f2ad5c1ccbe in QWidget::event (this=0xea0900, event=0x7fff1b93d580) at kernel/qwidget.cpp:8372
#41 0x00007f2ad6074734 in QFrame::event (this=0xea0900, e=0x7fff1b93d580) at widgets/qframe.cpp:557
#42 0x00007f2ad61c78bb in QAbstractItemView::viewportEvent (this=0xea0900, event=0x7fff1b93d580) at itemviews/qabstractitemview.cpp:1644
#43 0x00007f2ad69cbcb7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0xe6da50, event=0x7fff1b93d580) at kernel/qcoreapplication.cpp:1059
#44 0x00007f2ad5bbe351 in QApplicationPrivate::notify_helper (this=this@entry=0xce0290, receiver=receiver@entry=0xe6da50, e=e@entry=0x7fff1b93d580) at kernel/qapplication.cpp:4558
#45 0x00007f2ad5bc3239 in QApplication::notify (this=<optimized out>, receiver=0xe6da50, e=0x7fff1b93d580) at kernel/qapplication.cpp:4105
#46 0x00007f2ad75125b6 in KApplication::notify (this=0x7fff1b93e280, receiver=0xe6da50, event=0x7fff1b93d580) at /var/tmp/portage/kde-base/kdelibs-4.11.3-r1/work/kdelibs-4.11.3/kdeui/kernel/kapplication.cpp:311
#47 0x00007f2ad69cbade in QCoreApplication::notifyInternal (this=0x7fff1b93e280, receiver=0xe6da50, event=0x7fff1b93d580) at kernel/qcoreapplication.cpp:949
#48 0x00007f2ad5bc7092 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#49 QApplicationPrivate::sendMouseEvent (receiver=0xe6da50, event=0x7fff1b93d580, alienWidget=0xe6da50, nativeWidget=0xe627b0, buttonDown=0x7f2ad68145c0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3173
#50 0x00007f2ad5c50004 in QETWidget::translateMouseEvent (this=this@entry=0xe627b0, event=event@entry=0x7fff1b93dd10) at kernel/qapplication_x11.cpp:4517
#51 0x00007f2ad5c4e159 in QApplication::x11ProcessEvent (this=0x7fff1b93e280, event=0x7fff1b93dd10) at kernel/qapplication_x11.cpp:3640
#52 0x00007f2ad5c7d9f2 in x11EventSourceDispatch (s=s@entry=0xcdee20, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#53 0x00007f2ace966a35 in g_main_dispatch (context=0xce05d0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3054
#54 g_main_context_dispatch (context=context@entry=0xce05d0) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3630
#55 0x00007f2ace966d88 in g_main_context_iterate (context=context@entry=0xce05d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3701
#56 0x00007f2ace966e44 in g_main_context_iteration (context=0xce05d0, may_block=1) at /var/tmp/portage/dev-libs/glib-2.36.4-r1/work/glib-2.36.4/glib/gmain.c:3762
#57 0x00007f2ad6a041a6 in QEventDispatcherGlib::processEvents (this=0xca20b0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#58 0x00007f2ad5c7db0e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#59 0x00007f2ad69c996f in QEventLoop::processEvents (this=this@entry=0x7fff1b93e0f0, flags=...) at kernel/qeventloop.cpp:149
#60 0x00007f2ad69c9bc8 in QEventLoop::exec (this=0x7fff1b93e0f0, flags=...) at kernel/qeventloop.cpp:204
#61 0x00007f2ad69d0228 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#62 0x0000000000403999 in main (argc=3, argv=0x7fff1b93e3c8) at /var/tmp/portage/kde-base/kontact-4.11.3/work/kontact-4.11.3/kontact/src/main.cpp:219

Reported using DrKonqi