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 2.6.31-bfs222kwork.10.bfs x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
I'm received new message, and when I clicked on the one of my mailboxes, Kontact tried to open messages list, hungs for approx. 15 seconds, and crashed. Internet connection is stable.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  KPIM::ProgressItem::setComplete (this=0x1b4a570) at ../../libkdepim/progressmanager.cpp:52
#6  0x00007f3dcbb29d85 in KMail::ImapAccountBase::removeJob (this=0xcb34f0, it=...) at ../../kmail/imapaccountbase.cpp:1370
#7  0x00007f3dcbb56f75 in KMFolderImap::slotListFolderResult (this=0xb9c5c0, job=0x10968b0) at ../../kmail/kmfolderimap.cpp:1314
#8  0x00007f3dcbb5c2e9 in KMFolderImap::qt_metacall (this=0xb9c5c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7461ac40) at ./kmfolderimap.moc:182
#9  0x00007f3de215f682 in QMetaObject::activate (sender=0x10968b0, from_signal_index=<value optimized out>, to_signal_index=7, argv=0x1b500d0) at kernel/qobject.cpp:3112
#10 0x00007f3de2536df2 in KJob::result (this=0x1b4a570, _t1=0x10968b0) at ./kjob.moc:188
#11 0x00007f3de253716f in KJob::emitResult (this=0x10968b0) at ../../kdecore/jobs/kjob.cpp:304
#12 0x00007f3ddf9c0af0 in KIO::SimpleJob::slotFinished (this=0x10968b0) at ../../kio/kio/job.cpp:477
#13 0x00007f3ddf9c0c25 in KIO::ListJob::slotFinished (this=0x10968b0) at ../../kio/kio/job.cpp:2408
#14 0x00007f3ddf9bb907 in KIO::SimpleJob::slotError (this=0x10968b0, err=<value optimized out>, errorText=...) at ../../kio/kio/job.cpp:489
#15 0x00007f3ddf9bbada in KIO::SimpleJob::qt_metacall (this=0x10968b0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7461b040) at ./jobclasses.moc:158
#16 0x00007f3ddf9bdc45 in KIO::ListJob::qt_metacall (this=0x1b4a570, _c=1952557680, _id=17421825, _a=0x1b500d0) at ./jobclasses.moc:756
#17 0x00007f3de215f682 in QMetaObject::activate (sender=0x109df70, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x1b500d0) at kernel/qobject.cpp:3112
#18 0x00007f3ddfa7a4e6 in KIO::SlaveInterface::error (this=0x1b4a570, _t1=149, _t2=<value optimized out>) at ./slaveinterface.moc:153
#19 0x00007f3ddfa7de49 in KIO::SlaveInterface::dispatch (this=0x109df70, _cmd=102, rawdata=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:208
#20 0x00007f3ddfa7a7e2 in KIO::SlaveInterface::dispatch (this=0x109df70) at ../../kio/kio/slaveinterface.cpp:91
#21 0x00007f3ddfa6d24e in KIO::Slave::gotInput (this=0x109df70) at ../../kio/kio/slave.cpp:322
#22 0x00007f3ddfa6f578 in KIO::Slave::qt_metacall (this=0x109df70, _c=QMetaObject::InvokeMetaMethod, _id=71107645, _a=0x7fff7461b440) at ./slave.moc:76
#23 0x00007f3de215f682 in QMetaObject::activate (sender=0x117f200, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x1b500d0) at kernel/qobject.cpp:3112
#24 0x00007f3ddf9899c1 in KIO::ConnectionPrivate::dequeue (this=0xbcb240) at ../../kio/kio/connection.cpp:82
#25 0x00007f3ddf989e1a in KIO::Connection::qt_metacall (this=0x117f200, _c=QMetaObject::InvokeMetaMethod, _id=71107645, _a=0xffab40) at ./connection.moc:73
#26 0x00007f3de2159f68 in QObject::event (this=0x117f200, e=0x124c680) at kernel/qobject.cpp:1110
#27 0x00007f3de15c280d in QApplicationPrivate::notify_helper (this=0x63a630, receiver=0x117f200, e=0x124c680) at kernel/qapplication.cpp:4056
#28 0x00007f3de15ca86a in QApplication::notify (this=0x7fff7461bfa0, receiver=0x117f200, e=0x124c680) at kernel/qapplication.cpp:4021
#29 0x00007f3de2ae743b in KApplication::notify (this=0x7fff7461bfa0, receiver=0x117f200, event=0x124c680) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x00007f3de214a51c in QCoreApplication::notifyInternal (this=0x7fff7461bfa0, receiver=0x117f200, event=0x124c680) at kernel/qcoreapplication.cpp:610
#31 0x00007f3de214b164 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x60a340) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x60a340) at kernel/qcoreapplication.cpp:1247
#33 0x00007f3de2172f73 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#34 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#35 0x00007f3ddb27b12a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00007f3ddb27e988 in ?? () from /lib/libglib-2.0.so.0
#37 0x00007f3ddb27eb3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00007f3de2172bff in QEventDispatcherGlib::processEvents (this=0x609f70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#39 0x00007f3de165964f in QGuiEventDispatcherGlib::processEvents (this=0x1b4a570, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00007f3de2148de2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f3de21491b4 in QEventLoop::exec (this=0x7fff7461be00, flags=...) at kernel/qeventloop.cpp:201
#42 0x00007f3de214b424 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x0000000000404751 in main (argc=1, argv=0x7fff7461c578) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi