Application: kontact (4.10)
KDE Platform Version: 4.10.00
Qt Version: 4.8.3
Operating System: Linux 3.5.0-26-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
I clicked on a newly delivered email subject heading in the tree view and the bottom panel stayed stuck on  "Retreiving folder contents" for a couple of minutes before finally the Kontact crashed.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f81f9faf7c0 (LWP 7815))]

Thread 4 (Thread 0x7f81f27cd700 (LWP 7816)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f820b81cb2d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f820b81cc39 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f8206953e9a in start_thread (arg=0x7f81f27cd700) at pthread_create.c:308
#4  0x00007f820c547ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f81f1ecc700 (LWP 7817)):
#0  0x00007f820c53c313 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f820608cd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f820608cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f820d969c46 in QEventDispatcherGlib::processEvents (this=0x7f81ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f820d93a2ef in QEventLoop::processEvents (this=this@entry=0x7f81f1ecbdc0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f820d93a578 in QEventLoop::exec (this=0x7f81f1ecbdc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f820d83bb40 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f820d83eb1c in QThreadPrivate::start (arg=0x12b2680) at thread/qthread_unix.cpp:338
#8  0x00007f8206953e9a in start_thread (arg=0x7f81f1ecc700) at pthread_create.c:308
#9  0x00007f820c547ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f81a3c37700 (LWP 7821)):
#0  0x00007fffeeffa827 in clock_gettime ()
#1  0x00007f820634015d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007f820d8949f4 in do_gettime (frac=0x7f81a3c36ae8, sec=0x7f81a3c36ae0) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007f820d96a44d in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f819c002660) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007f820d96a793 in QTimerInfoList::timerWait (this=0x7f819c002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007f820d9692fc in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f81a3c36bd4) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f820d9693a5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f820608c618 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f820608ccab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f820608cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f820d969c46 in QEventDispatcherGlib::processEvents (this=0x7f819c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f820d93a2ef in QEventLoop::processEvents (this=this@entry=0x7f81a3c36d90, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f820d93a578 in QEventLoop::exec (this=0x7f81a3c36d90, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f820d83bb40 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007f820d91a9df in QInotifyFileSystemWatcherEngine::run (this=0x1866930) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007f820d83eb1c in QThreadPrivate::start (arg=0x1866930) at thread/qthread_unix.cpp:338
#17 0x00007f8206953e9a in start_thread (arg=0x7f81a3c37700) at pthread_create.c:308
#18 0x00007f820c547ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f81f9faf7c0 (LWP 7815)):
[KCrash Handler]
#6  Akonadi::StandardMailActionManager::action (this=0x0, type=Akonadi::StandardMailActionManager::MarkMailAsRead) at ../../../akonadi/kmime/standardmailactionmanager.cpp:853
#7  0x00007f81a900399c in KMail::MessageActions::MessageActions (this=0x39c8190, ac=0x758b350, parent=0xb82dab0) at ../../kmail/messageactions.cpp:138
#8  0x00007f81a8fbe812 in KMReaderMainWin::setupAccel (this=this@entry=0xb82dab0) at ../../kmail/kmreadermainwin.cpp:321
#9  0x00007f81a8fbf27a in KMReaderMainWin::initKMReaderMainWin (this=this@entry=0xb82dab0) at ../../kmail/kmreadermainwin.cpp:109
#10 0x00007f81a8fbfb40 in KMReaderMainWin::KMReaderMainWin (this=0xb82dab0, htmlOverride=<optimized out>, htmlLoadExtOverride=<optimized out>, name=<optimized out>, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmreadermainwin.cpp:81
#11 0x00007f81a8fc7e42 in KMMainWidget::slotItemsFetchedForActivation (this=0x175f6a0, list=...) at ../../kmail/kmmainwidget.cpp:2898
#12 0x00007f81a8fe7ea5 in KMMainWidget::qt_static_metacall (_o=0x175f6a0, _c=<optimized out>, _id=<optimized out>, _a=0x7fffeefe3750) at ./kmmainwidget.moc:363
#13 0x00007f820d950f8f in QMetaObject::activate (sender=0x2c66280, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffeefe3750) at kernel/qobject.cpp:3547
#14 0x00007f8209357502 in Akonadi::ItemFetchJob::itemsReceived (this=this@entry=0x2c66280, _t1=...) at ./moc_itemfetchjob.cpp:106
#15 0x00007f8209358553 in timeout (this=0x1d5b1b0) at ../../akonadi/itemfetchjob.cpp:71
#16 Akonadi::ItemFetchJob::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_itemfetchjob.cpp:57
#17 0x00007f820d950f8f in QMetaObject::activate (sender=0x2c66280, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffeefe38c0) at kernel/qobject.cpp:3547
#18 0x00007f820ddb7f42 in KJob::result (this=this@entry=0x2c66280, _t1=_t1@entry=0x2c66280) at ./kjob.moc:208
#19 0x00007f820ddb7f80 in KJob::emitResult (this=0x2c66280) at ../../kdecore/jobs/kjob.cpp:318
#20 0x00007f820d95046e in QObject::event (this=0x2c66280, e=<optimized out>) at kernel/qobject.cpp:1195
#21 0x00007f820cce2e9c in QApplicationPrivate::notify_helper (this=this@entry=0x10e9130, receiver=receiver@entry=0x2c66280, e=e@entry=0xa15ad10) at kernel/qapplication.cpp:4562
#22 0x00007f820cce730a in QApplication::notify (this=0x7fffeefe5110, receiver=0x2c66280, e=0xa15ad10) at kernel/qapplication.cpp:4423
#23 0x00007f820e379636 in KApplication::notify (this=0x7fffeefe5110, receiver=0x2c66280, event=0xa15ad10) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007f820d93b59e in QCoreApplication::notifyInternal (this=0x7fffeefe5110, receiver=receiver@entry=0x2c66280, event=event@entry=0xa15ad10) at kernel/qcoreapplication.cpp:915
#25 0x00007f820d93f421 in sendEvent (event=0xa15ad10, receiver=0x2c66280) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x10a86a0) at kernel/qcoreapplication.cpp:1539
#27 0x00007f820d969a93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#28 postEventSourceDispatch (s=0x10e48f0) at kernel/qeventdispatcher_glib.cpp:279
#29 0x00007f820608cab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f820608cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f820608cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f820d969c26 in QEventDispatcherGlib::processEvents (this=0x10a9b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007f820cd87c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f820d93a2ef in QEventLoop::processEvents (this=this@entry=0x7fffeefe41d0, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f820d93a578 in QEventLoop::exec (this=0x7fffeefe41d0, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f820ddb7cf3 in KJob::exec (this=0x173f4b0) at ../../kdecore/jobs/kjob.cpp:210
#37 0x00007f81a8f9b768 in KMKernel::cleanup (this=0x16760d0) at ../../kmail/kmkernel.cpp:1319
#38 0x00007f81a9305253 in KMailPart::~KMailPart (this=this@entry=0x15505f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:119
#39 0x00007f81a9305339 in KMailPart::~KMailPart (this=0x15505f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:121
#40 0x00007f820e7a96fe in KontactInterface::Plugin::~Plugin (this=0x14751c0, __vtt_parm=<optimized out>, __in_chrg=<optimized out>) at ../../kontactinterface/plugin.cpp:91
#41 0x00007f81aa2c9c4f in KMailPlugin::~KMailPlugin (this=0x14751c0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:159
#42 0x00007f81aa2c9c79 in KMailPlugin::~KMailPlugin (this=0x14751c0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:163
#43 0x00007f820ebe0026 in Kontact::MainWindow::~MainWindow (this=this@entry=0x124ee50, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:294
#44 0x00007f820ebe0189 in Kontact::MainWindow::~MainWindow (this=0x124ee50, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:296
#45 0x00007f820d950498 in QObject::event (this=0x124ee50, e=<optimized out>) at kernel/qobject.cpp:1176
#46 0x00007f820cd320da in QWidget::event (this=0x124ee50, event=0x6903c40) at kernel/qwidget.cpp:8830
#47 0x00007f820d0fb1cb in QMainWindow::event (this=0x124ee50, event=0x6903c40) at widgets/qmainwindow.cpp:1478
#48 0x00007f820e46b3a8 in KXmlGuiWindow::event (this=0x124ee50, ev=0x6903c40) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#49 0x00007f820cce2e9c in QApplicationPrivate::notify_helper (this=this@entry=0x10e9130, receiver=receiver@entry=0x124ee50, e=e@entry=0x6903c40) at kernel/qapplication.cpp:4562
#50 0x00007f820cce730a in QApplication::notify (this=0x7fffeefe5110, receiver=0x124ee50, e=0x6903c40) at kernel/qapplication.cpp:4423
#51 0x00007f820e379636 in KApplication::notify (this=0x7fffeefe5110, receiver=0x124ee50, event=0x6903c40) at ../../kdeui/kernel/kapplication.cpp:311
#52 0x00007f820d93b59e in QCoreApplication::notifyInternal (this=0x7fffeefe5110, receiver=receiver@entry=0x124ee50, event=event@entry=0x6903c40) at kernel/qcoreapplication.cpp:915
#53 0x00007f820d93f421 in sendEvent (event=0x6903c40, receiver=0x124ee50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#54 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x10a86a0) at kernel/qcoreapplication.cpp:1539
#55 0x00007f820d969a93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#56 postEventSourceDispatch (s=0x10e48f0) at kernel/qeventdispatcher_glib.cpp:279
#57 0x00007f820608cab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f820608cde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f820608cea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f820d969c26 in QEventDispatcherGlib::processEvents (this=0x10a9b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#61 0x00007f820cd87c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#62 0x00007f820d93a2ef in QEventLoop::processEvents (this=this@entry=0x7fffeefe4f80, flags=...) at kernel/qeventloop.cpp:149
#63 0x00007f820d93a578 in QEventLoop::exec (this=0x7fffeefe4f80, flags=...) at kernel/qeventloop.cpp:204
#64 0x00007f820d93f738 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#65 0x0000000000403339 in main (argc=1, argv=0x7fffeefe5258) at ../../../kontact/src/main.cpp:219

Reported using DrKonqi