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 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Scrolling down messages on IMAP server (on-line connection over internet), k-mail crashed after scrolling past the 5 or 6th message. 

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  KMail::FolderJob::msgList (this=0xaf1e408) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#7  0xb107de2b in KMAcctImap::ignoreJobsForMessage (this=0x9d1aa08, msg=0xa10a598) at /build/buildd/kdepim-4.3.1/kmail/kmacctimap.cpp:215
#8  0xb1095c55 in KMFolderImap::ignoreJobsForMessage (this=0x9efb9c8, msg=0xa10a598) at /build/buildd/kdepim-4.3.1/kmail/kmfolderimap.cpp:1564
#9  0xb11afdbe in KMMoveCommand::execute (this=0xafc7938) at /build/buildd/kdepim-4.3.1/kmail/kmcommands.cpp:2090
#10 0xb1194422 in KMCommand::slotPostTransfer (this=0xafc7938, result=KMCommand::OK) at /build/buildd/kdepim-4.3.1/kmail/kmcommands.cpp:274
#11 0xb119e764 in KMCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfeed52c) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:87
#12 0xb11b1bda in KMMoveCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfeed52c) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:1706
#13 0xb11b1ca2 in KMTrashMsgCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfeed52c) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:1758
#14 0xb5c621b8 in QMetaObject::activate (sender=0xafc7938, from_signal_index=4, to_signal_index=4, argv=0xbfeed52c) at kernel/qobject.cpp:3113
#15 0xb5c62e42 in QMetaObject::activate (sender=0xafc7938, m=0xb15cb5f4, local_signal_index=0, argv=0xbfeed52c) at kernel/qobject.cpp:3187
#16 0xb1190453 in KMCommand::messagesTransfered (this=0xafc7938, _t1=KMCommand::OK) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:102
#17 0xb11adfdc in KMCommand::transferSelectedMsgs (this=0xafc7938) at /build/buildd/kdepim-4.3.1/kmail/kmcommands.cpp:368
#18 0xb11ae233 in KMCommand::slotStart (this=0xafc7938) at /build/buildd/kdepim-4.3.1/kmail/kmcommands.cpp:266
#19 0xb119e773 in KMCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfeed728) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:86
#20 0xb11b1bda in KMMoveCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfeed728) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:1706
#21 0xb11b1ca2 in KMTrashMsgCommand::qt_metacall (this=0xafc7938, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfeed728) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmcommands.moc:1758
#22 0xb5c621b8 in QMetaObject::activate (sender=0xaacf3e8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#23 0xb5c62e42 in QMetaObject::activate (sender=0xaacf3e8, m=0xb5d3e908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#24 0xb5c67f77 in QSingleShotTimer::timeout (this=0xaacf3e8) at .moc/release-shared/qtimer.moc:76
#25 0xb5c6809c in QSingleShotTimer::timerEvent (this=0xaacf3e8) at kernel/qtimer.cpp:298
#26 0xb5c5d16f in QObject::event (this=0xaacf3e8, e=0xbfeedbac) at kernel/qobject.cpp:1075
#27 0xb610fd3c in QApplicationPrivate::notify_helper (this=0x9824da0, receiver=0xaacf3e8, e=0xbfeedbac) at kernel/qapplication.cpp:4056
#28 0xb611803e in QApplication::notify (this=0xbfeede58, receiver=0xaacf3e8, e=0xbfeedbac) at kernel/qapplication.cpp:3603
#29 0xb6d0985d in KApplication::notify (this=0xbfeede58, receiver=0xaacf3e8, event=0xbfeedbac) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#30 0xb5c4cbcb in QCoreApplication::notifyInternal (this=0xbfeede58, receiver=0xaacf3e8, event=0xbfeedbac) at kernel/qcoreapplication.cpp:610
#31 0xb5c7bd51 in QTimerInfoList::activateTimers (this=0x9821234) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#32 0xb5c783a0 in timerSourceDispatch (source=0x9821200) at kernel/qeventdispatcher_glib.cpp:165
#33 0xb4d1db88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb4d210eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb4d21268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb5c782f8 in QEventDispatcherGlib::processEvents (this=0x97ff028, flags={i = -1074864856}) at kernel/qeventdispatcher_glib.cpp:327
#37 0xb61b1a75 in QGuiEventDispatcherGlib::processEvents (this=0x97ff028, flags={i = -1074864808}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb5c4b1fa in QEventLoop::processEvents (this=0xbfeeddd0, flags={i = -1074864744}) at kernel/qeventloop.cpp:149
#39 0xb5c4b642 in QEventLoop::exec (this=0xbfeeddd0, flags={i = -1074864680}) at kernel/qeventloop.cpp:201
#40 0xb5c4dae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0xb610fbb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#42 0x0804bfef in main (argc=1, argv=0xbfeee154) at /build/buildd/kdepim-4.3.1/kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 186041

Reported using DrKonqi