Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Kontact mail composer crashed when typing an email; no other information available circumstancially.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb0c3c6cf in DwString::_copy () from /usr/lib/libmimelib.so.4
#7  0xb136dd11 in KMLoadPartsCommand::slotPartRetrieved () from /usr/lib/libkmailprivate.so.4
#8  0xb136f9fd in KMLoadPartsCommand::qt_metacall () from /usr/lib/libkmailprivate.so.4
#9  0xb5cf01b8 in QMetaObject::activate (sender=0x9bcd2b0, from_signal_index=5, to_signal_index=5, argv=0xbfe77e88) at kernel/qobject.cpp:3113
#10 0xb5cf0e42 in QMetaObject::activate (sender=0x9bcd2b0, m=0xb179e490, local_signal_index=1, argv=0xbfe77e88) at kernel/qobject.cpp:3187
#11 0xb13c6049 in ?? () from /usr/lib/libkmailprivate.so.4
#12 0xb13d2c93 in ?? () from /usr/lib/libkmailprivate.so.4
#13 0xb13d7394 in ?? () from /usr/lib/libkmailprivate.so.4
#14 0xb5cf01b8 in QMetaObject::activate (sender=0xaa04130, from_signal_index=7, to_signal_index=7, argv=0xbfe77ffc) at kernel/qobject.cpp:3113
#15 0xb5cf0e42 in QMetaObject::activate (sender=0xaa04130, m=0xb6074da8, local_signal_index=3, argv=0xbfe77ffc) at kernel/qobject.cpp:3187
#16 0xb5f170b3 in KJob::result (this=0xaa04130, _t1=0xaa04130) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kdecore/kjob.moc:188
#17 0xb5f17559 in KJob::emitResult (this=0xaa04130) at /build/buildd/kde4libs-4.3.1/kdecore/jobs/kjob.cpp:304
#18 0xb7015995 in KIO::SimpleJob::slotFinished (this=0xaa04130) at /build/buildd/kde4libs-4.3.1/kio/kio/job.cpp:477
#19 0xb70162d3 in KIO::TransferJob::slotFinished (this=0xaa04130) at /build/buildd/kde4libs-4.3.1/kio/kio/job.cpp:948
#20 0xb701287b in KIO::TransferJob::qt_metacall (this=0xaa04130, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfe78238) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kio/jobclasses.moc:343
#21 0xb5cf01b8 in QMetaObject::activate (sender=0x9fe03c0, from_signal_index=8, to_signal_index=8, argv=0x0) at kernel/qobject.cpp:3113
#22 0xb5cf0e42 in QMetaObject::activate (sender=0x9fe03c0, m=0xb71bef44, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3187
#23 0xb70db8d7 in KIO::SlaveInterface::finished (this=0x9fe03c0) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kio/slaveinterface.moc:165
#24 0xb70df617 in KIO::SlaveInterface::dispatch (this=0x9fe03c0, _cmd=104, rawdata=@0xbfe78404) at /build/buildd/kde4libs-4.3.1/kio/kio/slaveinterface.cpp:175
#25 0xb70dbdb7 in KIO::SlaveInterface::dispatch (this=0x9fe03c0) at /build/buildd/kde4libs-4.3.1/kio/kio/slaveinterface.cpp:91
#26 0xb70cdb2d in KIO::Slave::gotInput (this=0x9fe03c0) at /build/buildd/kde4libs-4.3.1/kio/kio/slave.cpp:322
#27 0xb70cffc3 in KIO::Slave::qt_metacall (this=0x9fe03c0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfe78518) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kio/slave.moc:76
#28 0xb5cf01b8 in QMetaObject::activate (sender=0xac7d1e8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#29 0xb5cf0e42 in QMetaObject::activate (sender=0xac7d1e8, m=0xb71bb880, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#30 0xb6fd9697 in KIO::Connection::readyRead (this=0xac7d1e8) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kio/connection.moc:86
#31 0xb6fdb003 in KIO::ConnectionPrivate::dequeue (this=0x9f034f0) at /build/buildd/kde4libs-4.3.1/kio/kio/connection.cpp:82
#32 0xb6fdb3e6 in KIO::Connection::qt_metacall (this=0xac7d1e8, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xb4e9370) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/kio/connection.moc:73
#33 0xb5ce98cb in QMetaCallEvent::placeMetaCall (this=0xcb89fd0, object=0xac7d1e8) at kernel/qobject.cpp:477
#34 0xb5ceb3b0 in QObject::event (this=0xac7d1e8, e=0xcb89fd0) at kernel/qobject.cpp:1111
#35 0xb619dd3c in QApplicationPrivate::notify_helper (this=0x9af1570, receiver=0xac7d1e8, e=0xcb89fd0) at kernel/qapplication.cpp:4056
#36 0xb61a603e in QApplication::notify (this=0xbfe78cd8, receiver=0xac7d1e8, e=0xcb89fd0) at kernel/qapplication.cpp:3603
#37 0xb6d9785d in KApplication::notify (this=0xbfe78cd8, receiver=0xac7d1e8, event=0xcb89fd0) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#38 0xb5cdabcb in QCoreApplication::notifyInternal (this=0xbfe78cd8, receiver=0xac7d1e8, event=0xcb89fd0) at kernel/qcoreapplication.cpp:610
#39 0xb5cdb825 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9abe440) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#40 0xb5cdba1d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#41 0xb5d066af in postEventSourceDispatch (s=0x9adeb90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#42 0xb4dabb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#43 0xb4daf0eb in ?? () from /usr/lib/libglib-2.0.so.0
#44 0xb4daf268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#45 0xb5d062f8 in QEventDispatcherGlib::processEvents (this=0x9abe028, flags={i = -1075344472}) at kernel/qeventdispatcher_glib.cpp:327
#46 0xb623fa75 in QGuiEventDispatcherGlib::processEvents (this=0x9abe028, flags={i = -1075344424}) at kernel/qguieventdispatcher_glib.cpp:202
#47 0xb5cd91fa in QEventLoop::processEvents (this=0xbfe78c50, flags={i = -1075344360}) at kernel/qeventloop.cpp:149
#48 0xb5cd9642 in QEventLoop::exec (this=0xbfe78c50, flags={i = -1075344296}) at kernel/qeventloop.cpp:201
#49 0xb5cdbae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0xb619dbb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#51 0x0804bfef in _start ()

Reported using DrKonqi