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 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
While on a slow connection Kontact occasionally crashes during normal use. Kontact was in the background while the crash happened, so I can't tell what exactly was going on at the point of the crash.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb497e79e in KMLoadPartsCommand::slotPartRetrieved(KMMessage*, QString const&) () from /usr/lib/libkmailprivate.so.4
#7  0xb498039b in KMLoadPartsCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#8  0x00b7d263 in QMetaObject::activate (sender=0xafd5ce0, from_signal_index=5, to_signal_index=5, argv=0xbfd9c494) at kernel/qobject.cpp:3113
#9  0x00b7dec2 in QMetaObject::activate (sender=0xafd5ce0, m=0xb4db04d0, local_signal_index=1, argv=0xbfd9c494) at kernel/qobject.cpp:3187
#10 0xb49d53d9 in ?? () from /usr/lib/libkmailprivate.so.4
#11 0xb49e1ef6 in ?? () from /usr/lib/libkmailprivate.so.4
#12 0xb49e660f in ?? () from /usr/lib/libkmailprivate.so.4
#13 0x00b7d263 in QMetaObject::activate (sender=0xae88788, from_signal_index=7, to_signal_index=7, argv=0xbfd9c638) at kernel/qobject.cpp:3113
#14 0x00b7dec2 in QMetaObject::activate (sender=0xae88788, m=0x997d68, local_signal_index=3, argv=0xbfd9c638) at kernel/qobject.cpp:3187
#15 0x00831fe3 in KJob::result (this=0xae88788, _t1=0xae88788) at ./kjob.moc:188
#16 0x00832469 in KJob::emitResult (this=0xae88788) at ../../kdecore/jobs/kjob.cpp:304
#17 0x08524660 in KIO::SimpleJob::slotFinished (this=0xae88788) at ../../kio/kio/job.cpp:477
#18 0x08524b7a in KIO::TransferJob::slotFinished (this=0xae88788) at ../../kio/kio/job.cpp:948
#19 0x085228a3 in KIO::TransferJob::qt_metacall (this=0xae88788, _c=QMetaObject::InvokeMetaMethod, _id=47, _a=0xbfd9c89c) at ./jobclasses.moc:343
#20 0x00b7d263 in QMetaObject::activate (sender=0xa4eced8, from_signal_index=8, to_signal_index=8, argv=0x0) at kernel/qobject.cpp:3113
#21 0x00b7dec2 in QMetaObject::activate (sender=0xa4eced8, m=0x86d6f64, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3187
#22 0x085ee557 in KIO::SlaveInterface::finished (this=0xa4eced8) at ./slaveinterface.moc:165
#23 0x085f244d in KIO::SlaveInterface::dispatch (this=0xa4eced8, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:175
#24 0x085eea13 in KIO::SlaveInterface::dispatch (this=0xa4eced8) at ../../kio/kio/slaveinterface.cpp:91
#25 0x085e0aea in KIO::Slave::gotInput (this=0xa4eced8) at ../../kio/kio/slave.cpp:322
#26 0x085e2ee3 in KIO::Slave::qt_metacall (this=0xa4eced8, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfd9cb7c) at ./slave.moc:76
#27 0x00b7d263 in QMetaObject::activate (sender=0xa4eb590, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#28 0x00b7dec2 in QMetaObject::activate (sender=0xa4eb590, m=0x86d38a0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#29 0x084eaf97 in KIO::Connection::readyRead (this=0xa4eb590) at ./connection.moc:86
#30 0x084ecd5e in KIO::ConnectionPrivate::dequeue (this=0xa4e0d48) at ../../kio/kio/connection.cpp:82
#31 0x084ece8e in KIO::Connection::qt_metacall (this=0xa4eb590, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xb4857b0) at ./connection.moc:73
#32 0x00b75f0b in QMetaCallEvent::placeMetaCall (this=0xafd94f0, object=0xa4eb590) at kernel/qobject.cpp:477
#33 0x00b775fe in QObject::event (this=0xa4eb590, e=0xafd94f0) at kernel/qobject.cpp:1111
#34 0x0106ef54 in QApplicationPrivate::notify_helper (this=0x9a56958, receiver=0xa4eb590, e=0xafd94f0) at kernel/qapplication.cpp:4056
#35 0x0107667c in QApplication::notify (this=0xbfd9d414, receiver=0xa4eb590, e=0xafd94f0) at kernel/qapplication.cpp:3603
#36 0x00500bfa in KApplication::notify (this=0xbfd9d414, receiver=0xa4eb590, event=0xafd94f0) at ../../kdeui/kernel/kapplication.cpp:302
#37 0x00b676cb in QCoreApplication::notifyInternal (this=0xbfd9d414, receiver=0xa4eb590, event=0xafd94f0) at kernel/qcoreapplication.cpp:610
#38 0x00b682b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9a37820) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9a37820) at kernel/qcoreapplication.cpp:1247
#40 0x00b6847d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#41 0x00b923ff in QCoreApplication::sendPostedEvents (s=0x9a5fb90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#42 postEventSourceDispatch (s=0x9a5fb90) at kernel/qeventdispatcher_glib.cpp:210
#43 0x0483fe78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x04843720 in ?? () from /lib/libglib-2.0.so.0
#45 0x04843853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x00b9202c in QEventDispatcherGlib::processEvents (this=0x9a379f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#47 0x0110fbe5 in QGuiEventDispatcherGlib::processEvents (this=0x9a379f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#48 0x00b65c79 in QEventLoop::processEvents (this=0xbfd9d374, flags=) at kernel/qeventloop.cpp:149
#49 0x00b660ca in QEventLoop::exec (this=0xbfd9d374, flags=...) at kernel/qeventloop.cpp:201
#50 0x00b6853f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#51 0x0106edd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#52 0x0804b4e6 in _start ()

Reported using DrKonqi