Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I just have reconfigure kmail (after a difficult migration to kubuntu 9.10). I was answering to an email, an then, i have shortly seen a message saying that it will be a problem  (there was not receiver in the from field ?), and then it crash.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7852700 (LWP 26337))]

Thread 2 (Thread 0xb0ca0b70 (LWP 26389)):
#0  0x001b5422 in __kernel_vsyscall ()
#1  0x08417e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0075478d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0168be67 in QWaitConditionPrivate::wait (this=0xa2d7158, mutex=0xa3df9c0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0xa2d7158, mutex=0xa3df9c0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x0285eb30 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa2d7140, th=0xab13090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0286119c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa38ffe8, th=0xab13090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0285d1fb in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa2d7140, th=0xab13090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x02861292 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa38ffe8, th=0xab13090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0285edb3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa2d7140, th=0xab13090, previous=0xa04b140) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0285f3be in ThreadWeaver::ThreadRunHelper::run (this=0xb0ca0304, parent=0xa2d7140, th=0xab13090) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0285f9db in ThreadWeaver::Thread::run (this=0xab13090) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0168ae32 in QThreadPrivate::start (arg=0xab13090) at thread/qthread_unix.cpp:188
#13 0x0841380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#14 0x007477ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7852700 (LWP 26337)):
[KCrash Handler]
#6  0xb4316ff7 in DwString::c_str (aDwBodyPart=0xab0c220, aPart=0xa4945a4, withBody=true) at ../../mimelib/mimelib/string.h:618
#7  DwMessageComponent::partId (aDwBodyPart=0xab0c220, aPart=0xa4945a4, withBody=true) at ../../mimelib/mimelib/msgcmp.h:259
#8  KMMessage::bodyPart (aDwBodyPart=0xab0c220, aPart=0xa4945a4, withBody=true) at ../../kmail/kmmessage.cpp:2719
#9  0xb468bebd in partNode::msgPart (this=0xaaef960, url=..., w=0xa4b5a48) at ../../kmail/partNode.h:99
#10 statusBarMessage (this=0xaaef960, url=..., w=0xa4b5a48) at ../../kmail/urlhandlermanager.cpp:549
#11 0xb468bb6c in KMail::URLHandlerManager::statusBarMessage (this=0xab17d58, url=..., w=0xa4b5a48) at ../../kmail/urlhandlermanager.cpp:323
#12 0xb4423f41 in KMReaderWin::slotUrlOn (this=0xa4b5a48, aUrl=...) at ../../kmail/kmreaderwin.cpp:2023
#13 0xb4424aa3 in KMReaderWin::qt_metacall (this=0xa4b5a48, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfab7be8) at ./kmreaderwin.moc:178
#14 0x01791263 in QMetaObject::activate (sender=0xa449958, from_signal_index=14, to_signal_index=14, argv=0xbfab7be8) at kernel/qobject.cpp:3113
#15 0x01791ec2 in QMetaObject::activate (sender=0xa449958, m=0x1e8eec8, local_signal_index=0, argv=0xbfab7be8) at kernel/qobject.cpp:3187
#16 0x01967c53 in KHTMLPart::onURL (this=0xa449958, _t1=...) at ./khtml_part.moc:400
#17 0x0197fb2d in KHTMLPart::overURL (this=0xa449958, url=..., target=...) at ../../khtml/khtml_part.cpp:3521
#18 0x01982073 in KHTMLPart::handleMouseMoveEventOver (this=0xa449958, event=0xbfab8810) at ../../khtml/khtml_part.cpp:6351
#19 0x0198252c in KHTMLPart::khtmlMouseMoveEvent (this=0xa449958, event=0xbfab8810) at ../../khtml/khtml_part.cpp:6399
#20 0x019686cf in KHTMLPart::customEvent (this=0xa449958, event=0xbfab8810) at ../../khtml/khtml_part.cpp:5944
#21 0x0178b65f in QObject::event (this=0xa449958, e=0xbfab8810) at kernel/qobject.cpp:1142
#22 0x00dbef54 in QApplicationPrivate::notify_helper (this=0x9e1a1a0, receiver=0xa449958, e=0xbfab8810) at kernel/qapplication.cpp:4056
#23 0x00dc667c in QApplication::notify (this=0xbfaba9a4, receiver=0xa449958, e=0xbfab8810) at kernel/qapplication.cpp:3603
#24 0x00adebfa in KApplication::notify (this=0xbfaba9a4, receiver=0xa449958, event=0xbfab8810) at ../../kdeui/kernel/kapplication.cpp:302
#25 0x0177b6cb in QCoreApplication::notifyInternal (this=0xbfaba9a4, receiver=0xa449958, event=0xbfab8810) at kernel/qcoreapplication.cpp:610
#26 0x0195a971 in QCoreApplication::sendEvent (this=0xa44a5a8, _mouse=0xbfab8fc0) at /usr/include/qt4/QtCore/qcoreapplication.h:213
#27 KHTMLView::mouseMoveEvent (this=0xa44a5a8, _mouse=0xbfab8fc0) at ../../khtml/khtmlview.cpp:1541
#28 0x00e13e63 in QWidget::event (this=0xa44a5a8, event=0xbfab8fc0) at kernel/qwidget.cpp:7534
#29 0x011c3633 in QFrame::event (this=0xa44a5a8, e=0xbfab8fc0) at widgets/qframe.cpp:559
#30 0x019570ec in KHTMLView::widgetEvent (this=0xa44a5a8, e=0xaeae5757) at ../../khtml/khtmlview.cpp:2338
#31 0x019573d5 in KHTMLView::eventFilter (this=0xa44a5a8, o=0xa44b8d8, e=0xbfab8fc0) at ../../khtml/khtmlview.cpp:2191
#32 0x0177a83a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9e1a1a0, receiver=0xa44b8d8, event=0xbfab8fc0) at kernel/qcoreapplication.cpp:726
#33 0x00dbef2c in QApplicationPrivate::notify_helper (this=0x9e1a1a0, receiver=0xa44b8d8, e=0xbfab8fc0) at kernel/qapplication.cpp:4052
#34 0x00dc7033 in QApplication::notify (this=0xbfaba9a4, receiver=0xa44b8d8, e=0xbfab8fc0) at kernel/qapplication.cpp:3758
#35 0x00adebfa in KApplication::notify (this=0xbfaba9a4, receiver=0xa44b8d8, event=0xbfab8fc0) at ../../kdeui/kernel/kapplication.cpp:302
#36 0x0177b6cb in QCoreApplication::notifyInternal (this=0xbfaba9a4, receiver=0xa44b8d8, event=0xbfab8fc0) at kernel/qcoreapplication.cpp:610
#37 0x00dc5f6e in QCoreApplication::sendSpontaneousEvent (receiver=0xa44b8d8, event=0xbfab8fc0, alienWidget=0xa44b8d8, nativeWidget=0x9e20f68, buttonDown=0x1639aa0, lastMouseReceiver=...)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#38 QApplicationPrivate::sendMouseEvent (receiver=0xa44b8d8, event=0xbfab8fc0, alienWidget=0xa44b8d8, nativeWidget=0x9e20f68, buttonDown=0x1639aa0, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#39 0x00e347c0 in QETWidget::translateMouseEvent (this=0x9e20f68, event=0xbfaba60c) at kernel/qapplication_x11.cpp:4409
#40 0x00e33c4b in QApplication::x11ProcessEvent (this=0xbfaba9a4, event=0xbfaba60c) at kernel/qapplication_x11.cpp:3428
#41 0x00e60502 in x11EventSourceDispatch (s=0x9e166e8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x02139e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x0213d720 in ?? () from /lib/libglib-2.0.so.0
#44 0x0213d853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x017a602c in QEventDispatcherGlib::processEvents (this=0x9df59f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#46 0x00e5fbe5 in QGuiEventDispatcherGlib::processEvents (this=0x9df59f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#47 0x01779c79 in QEventLoop::processEvents (this=0xbfaba904, flags=) at kernel/qeventloop.cpp:149
#48 0x0177a0ca in QEventLoop::exec (this=0xbfaba904, flags=...) at kernel/qeventloop.cpp:201
#49 0x0177c53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0x00dbedd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#51 0x0804b4e6 in main (argc=1, argv=0xbfababc4) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi