Application: kontact (4.7.3)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
I wanted to send mails, but kontact hangs and messages in Outgoing even can't be deleted ;(

So I wanted to restart kontact and it crashed

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc8388917a0 (LWP 32246))]

Thread 4 (Thread 0x7fc81e558700 (LWP 32248)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc8350f7c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fc8350f7d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fc8304f3efc in start_thread (arg=0x7fc81e558700) at pthread_create.c:304
#4  0x00007fc835e0589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc81dc3f700 (LWP 32249)):
#0  0x00007fc835df9773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc82fa25f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc82fa26429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc837240f3e in QEventDispatcherGlib::processEvents (this=0xcda1d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc837214cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc837214ef7 in QEventLoop::exec (this=0x7fc81dc3ede0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc83712c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fc83712ed05 in QThreadPrivate::start (arg=0xcd9480) at thread/qthread_unix.cpp:331
#8  0x00007fc8304f3efc in start_thread (arg=0x7fc81dc3f700) at pthread_create.c:304
#9  0x00007fc835e0589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc7cde1f700 (LWP 32281)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fc7cde1ead0 in ?? ()
#2  0x00007fff691ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7fc8388917a0 (LWP 32246)):
[KCrash Handler]
#6  0x00007fc836a26084 in QTabWidget::currentWidget (this=0x139fb40) at widgets/qtabwidget.cpp:624
#7  0x00007fc7d5260f48 in MessageList::Pane::markMessageItemsAsAboutToBeRemoved (this=<optimized out>, ref=4, bMark=false) at ../../messagelist/pane.cpp:621
#8  0x00007fc7d5df9ece in KMMainWidget::slotTrashMessagesCompleted (this=0x13b4aa0, command=0x32315a0) at ../../kmail/kmmainwidget.cpp:2005
#9  0x00007fc7d5e1780a in KMMainWidget::qt_metacall (this=0x13b4aa0, _c=QMetaObject::InvokeMetaMethod, _id=145, _a=0x7fff690a0ce0) at ./kmmainwidget.moc:492
#10 0x00007fc837228eba in QMetaObject::activate (sender=0x32315a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff690a0ce0) at kernel/qobject.cpp:3278
#11 0x00007fc7d5de320f in KMMoveCommand::moveDone (this=<optimized out>, _t1=0x32315a0) at ./kmcommands.moc:1669
#12 0x00007fc7d5de3257 in KMMoveCommand::completeMove (this=0x32315a0, result=KMCommand::Failed) at ../../kmail/kmcommands.cpp:1615
#13 0x00007fc7d5de9d3c in KMMoveCommand::qt_metacall (this=0x32315a0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff690a0e10) at ./kmcommands.moc:1657
#14 0x00007fc837228eba in QMetaObject::activate (sender=0x34c9600, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff690a0e10) at kernel/qobject.cpp:3278
#15 0x00007fc83767b5b2 in KJob::result (this=<optimized out>, _t1=0x34c9600) at ./kjob.moc:194
#16 0x00007fc83767b5f0 in KJob::emitResult (this=0x34c9600) at ../../kdecore/jobs/kjob.cpp:312
#17 0x00007fc832c23ee0 in Akonadi::JobPrivate::handleResponse (this=<optimized out>, tag=..., data=...) at ../../akonadi/job.cpp:66
#18 0x00007fc832c57d46 in Akonadi::SessionPrivate::dataReceived (this=0x1134b30) at ../../akonadi/session.cpp:218
#19 0x00007fc832c5ad9d in Akonadi::Session::qt_metacall (this=0xeb1310, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff690a10a0) at ./session.moc:96
#20 0x00007fc837228eba in QMetaObject::activate (sender=0x10da620, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#21 0x00007fc837270ba8 in QIODevice::qt_metacall (this=0x10da620, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff690a11b0) at .moc/release-shared/moc_qiodevice.cpp:77
#22 0x00007fc831736890 in QLocalSocket::qt_metacall (this=0x10da620, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff690a11b0) at .moc/release-shared/moc_qlocalsocket.cpp:81
#23 0x00007fc837228eba in QMetaObject::activate (sender=0x1156320, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#24 0x00007fc83173091f in QAbstractSocketPrivate::canReadNotification (this=0x1156500) at socket/qabstractsocket.cpp:643
#25 0x00007fc83171f551 in event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1103
#26 QReadNotifier::event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1100
#27 0x00007fc8365c6424 in notify_helper (e=0x7fff690a15a0, receiver=0x1166420, this=0xae8cb0) at kernel/qapplication.cpp:4486
#28 QApplicationPrivate::notify_helper (this=0xae8cb0, receiver=0x1166420, e=0x7fff690a15a0) at kernel/qapplication.cpp:4458
#29 0x00007fc8365cb291 in QApplication::notify (this=0x7fff690a24e0, receiver=0x1166420, e=0x7fff690a15a0) at kernel/qapplication.cpp:4365
#30 0x00007fc837c4b126 in KApplication::notify (this=0x7fff690a24e0, receiver=0x1166420, event=0x7fff690a15a0) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007fc837215afc in QCoreApplication::notifyInternal (this=0x7fff690a24e0, receiver=0x1166420, event=0x7fff690a15a0) at kernel/qcoreapplication.cpp:787
#32 0x00007fc8372405b7 in sendEvent (event=0x7fff690a15a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 socketNotifierSourceDispatch (source=0xaeadd0) at kernel/qeventdispatcher_glib.cpp:110
#34 0x00007fc82fa25a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fc82fa26258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fc82fa26429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fc837240ed6 in QEventDispatcherGlib::processEvents (this=0xabcfd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007fc83666e07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007fc837214cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007fc837214ef7 in QEventLoop::exec (this=0x7fff690a17e0, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007fc83767b3d6 in KJob::exec (this=0x12bf0f0) at ../../kdecore/jobs/kjob.cpp:204
#42 0x00007fc7d5dcdc88 in KMKernel::cleanup (this=0x1105ed0) at ../../kmail/kmkernel.cpp:1244
#43 0x00007fc7d613a632 in KMailPart::~KMailPart (this=0xe7e320, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:138
#44 0x00007fc7d613a739 in KMailPart::~KMailPart (this=0xe7e320, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:141
#45 0x00007fc83808d31e in KontactInterface::Plugin::~Plugin (this=0xe11280, __vtt_parm=<optimized out>, __in_chrg=<optimized out>) at ../../kontactinterface/plugin.cpp:90
#46 0x00007fc7d698db0f in KMailPlugin::~KMailPlugin (this=0xe11280, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:159
#47 0x00007fc7d698db39 in KMailPlugin::~KMailPlugin (this=0xe11280, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:163
#48 0x00007fc8384c2567 in Kontact::MainWindow::~MainWindow (this=0xcc78b0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:287
#49 0x00007fc8384c26c9 in Kontact::MainWindow::~MainWindow (this=0xcc78b0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:289
#50 0x00007fc83722ca88 in QObject::event (this=0xcc78b0, e=<optimized out>) at kernel/qobject.cpp:1200
#51 0x00007fc8366166eb in QWidget::event (this=0xcc78b0, event=0x39485a0) at kernel/qwidget.cpp:8754
#52 0x00007fc8369d8ceb in QMainWindow::event (this=0xcc78b0, event=0x39485a0) at widgets/qmainwindow.cpp:1478
#53 0x00007fc837d47628 in KXmlGuiWindow::event (this=0xcc78b0, ev=0x39485a0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#54 0x00007fc8365c6424 in notify_helper (e=0x39485a0, receiver=0xcc78b0, this=0xae8cb0) at kernel/qapplication.cpp:4486
#55 QApplicationPrivate::notify_helper (this=0xae8cb0, receiver=0xcc78b0, e=0x39485a0) at kernel/qapplication.cpp:4458
#56 0x00007fc8365cb291 in QApplication::notify (this=0x7fff690a24e0, receiver=0xcc78b0, e=0x39485a0) at kernel/qapplication.cpp:4365
#57 0x00007fc837c4b126 in KApplication::notify (this=0x7fff690a24e0, receiver=0xcc78b0, event=0x39485a0) at ../../kdeui/kernel/kapplication.cpp:311
#58 0x00007fc837215afc in QCoreApplication::notifyInternal (this=0x7fff690a24e0, receiver=0xcc78b0, event=0x39485a0) at kernel/qcoreapplication.cpp:787
#59 0x00007fc83721951f in sendEvent (event=0x39485a0, receiver=0xcc78b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#60 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xabb8e0) at kernel/qcoreapplication.cpp:1428
#61 0x00007fc837240a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#62 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#63 0x00007fc82fa25a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007fc82fa26258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007fc82fa26429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007fc837240ed6 in QEventDispatcherGlib::processEvents (this=0xabcfd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#67 0x00007fc83666e07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#68 0x00007fc837214cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#69 0x00007fc837214ef7 in QEventLoop::exec (this=0x7fff690a2470, flags=...) at kernel/qeventloop.cpp:201
#70 0x00007fc837219789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#71 0x0000000000403629 in main (argc=1, argv=0x7fff690a2b08) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi