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:
I was deleting E-Mail when it crashed.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0x9ce7ff8) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  QList (this=0x9ce7ff8) at /usr/include/qt4/QtCore/qlist.h:111
#8  KMail::FolderJob::msgList (this=0x9ce7ff8) at ../../kmail/folderjob.cpp:120
#9  0xb45846dd in KMAcctImap::ignoreJobsForMessage (this=0x8c64508, msg=0xa369f90) at ../../kmail/kmacctimap.cpp:215
#10 0xb459ba63 in KMFolderImap::ignoreJobsForMessage (this=0x8c27798, msg=0xa369f90) at ../../kmail/kmfolderimap.cpp:1564
#11 0xb46b635c in KMMoveCommand::execute (this=0x944a9f0) at ../../kmail/kmcommands.cpp:2095
#12 0xb469aba2 in KMCommand::slotPostTransfer (this=0x944a9f0, result=KMCommand::OK) at ../../kmail/kmcommands.cpp:274
#13 0xb46a515f in KMCommand::qt_metacall (this=0x944a9f0, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfaf8328) at ./kmcommands.moc:87
#14 0xb46b75fa in KMMoveCommand::qt_metacall (this=0x944a9f0, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfaf8328) at ./kmcommands.moc:1706
#15 0x0077a263 in QMetaObject::activate (sender=0x944a9f0, from_signal_index=4, to_signal_index=4, argv=0xbfaf8328) at kernel/qobject.cpp:3113
#16 0x0077aec2 in QMetaObject::activate (sender=0x944a9f0, m=0xb4ad3634, local_signal_index=0, argv=0xbfaf8328) at kernel/qobject.cpp:3187
#17 0xb4696bd3 in KMCommand::messagesTransfered (this=0x944a9f0, _t1=KMCommand::OK) at ./kmcommands.moc:102
#18 0xb46b4156 in KMCommand::transferSelectedMsgs (this=0x944a9f0) at ../../kmail/kmcommands.cpp:368
#19 0xb46b43a2 in KMCommand::slotStart (this=0x944a9f0) at ../../kmail/kmcommands.cpp:266
#20 0xb46a513b in KMCommand::qt_metacall (this=0x944a9f0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfaf852c) at ./kmcommands.moc:86
#21 0xb46b75fa in KMMoveCommand::qt_metacall (this=0x944a9f0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfaf852c) at ./kmcommands.moc:1706
#22 0x0077a263 in QMetaObject::activate (sender=0x93a5798, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#23 0x0077aec2 in QMetaObject::activate (sender=0x93a5798, m=0x854908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#24 0x0077f387 in QSingleShotTimer::timeout (this=0x93a5798) at .moc/release-shared/qtimer.moc:76
#25 0x0077f49c in QSingleShotTimer::timerEvent (this=0x93a5798) at kernel/qtimer.cpp:298
#26 0x007743bf in QObject::event (this=0x93a5798, e=0xbfaf89c0) at kernel/qobject.cpp:1075
#27 0x00f90f54 in QApplicationPrivate::notify_helper (this=0x876aed8, receiver=0x93a5798, e=0xbfaf89c0) at kernel/qapplication.cpp:4056
#28 0x00f9867c in QApplication::notify (this=0xbfaf8d24, receiver=0x93a5798, e=0xbfaf89c0) at kernel/qapplication.cpp:3603
#29 0x00ba4bfa in KApplication::notify (this=0xbfaf8d24, receiver=0x93a5798, event=0xbfaf89c0) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x007646cb in QCoreApplication::notifyInternal (this=0xbfaf8d24, receiver=0x93a5798, event=0xbfaf89c0) at kernel/qcoreapplication.cpp:610
#31 0x007917ce in QCoreApplication::sendEvent (this=0x87589b4) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#32 QTimerInfoList::activateTimers (this=0x87589b4) at kernel/qeventdispatcher_unix.cpp:572
#33 0x0078f0e0 in timerSourceDispatch (source=0x8758980) at kernel/qeventdispatcher_glib.cpp:165
#34 0x01ed0e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#35 0x01ed4720 in ?? () from /lib/libglib-2.0.so.0
#36 0x01ed4853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#37 0x0078f02c in QEventDispatcherGlib::processEvents (this=0x87389f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#38 0x01031be5 in QGuiEventDispatcherGlib::processEvents (this=0x87389f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#39 0x00762c79 in QEventLoop::processEvents (this=0xbfaf8c84, flags=) at kernel/qeventloop.cpp:149
#40 0x007630ca in QEventLoop::exec (this=0xbfaf8c84, flags=...) at kernel/qeventloop.cpp:201
#41 0x0076553f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#42 0x00f90dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#43 0x0804b4e6 in main (argc=1, argv=0xbfaf8f44) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi