Version:           1.10.0 (using 4.1.00 (KDE 4.1.0), Gentoo)
Compiler:          i686-pc-linux-gnu-gcc
OS:                Linux (i686) release 2.6.25-gentoo-r7

I was deleting some unread messages on an IMAP server by hitting the del key. At the second hit, kontact crashed with the backtrace below. Regrettably I don't seem to be able to reproduce this crash.

Application: Kontact (kontact), signal SIGSEGV
[Thread debugging using libthread_db enabled]
[New Thread 0xb4db4720 (LWP 12183)]
[KCrash handler]
#6  0xb1f38047 in QList (this=0xbfe99ae8, l=@0x40)
    at /usr/include/qt4/QtCore/qlist.h:113
#7  0xb210d88e in KMail::FolderJob::msgList (this=0x38)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/folderjob.cpp:120
#8  0xb1ffa1f9 in KMAcctImap::ignoreJobsForMessage (this=0x84772f8, 
    msg=0x89c6b68)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmacctimap.cpp:215
#9  0xb200cc1b in KMFolderImap::ignoreJobsForMessage (this=0x846bcb0, 
    msg=0x89c6b68)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmfolderimap.cpp:1552
#10 0xb20c9ff2 in KMMoveCommand::execute (this=0x89d0240)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmcommands.cpp:2092
#11 0xb20d8673 in KMCommand::slotPostTransfer (this=0x89d0240, 
    result=KMCommand::OK)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmcommands.cpp:273
#12 0xb20d8886 in KMCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfe99d9c)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:86
#13 0xb20d8dce in KMMoveCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfe99d9c)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:1662
#14 0xb20d8e82 in KMDeleteMsgCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfe99d9c)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:1712
#15 0xb6b39530 in QMetaObject::activate (sender=0x89d0240, 
    from_signal_index=<value optimized out>, to_signal_index=4, 
    argv=<value optimized out>) at kernel/qobject.cpp:3001
#16 0xb6b39c92 in QMetaObject::activate (sender=0x89d0240, m=0xb234f954, 
    local_signal_index=0, argv=0xbfe99d9c) at kernel/qobject.cpp:3071
#17 0xb20c0b7d in KMCommand::messagesTransfered (this=0x89d0240, 
    _t1=KMCommand::OK)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:100
#18 0xb20d8596 in KMCommand::transferSelectedMsgs (this=0x89d0240)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmcommands.cpp:367
#19 0xb20d98c6 in KMCommand::slotStart (this=0x89d0240)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail-4.1.0/kmail/kmcommands.cpp:265
#20 0xb20d886c in KMCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfe99fe8)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:85
#21 0xb20d8dce in KMMoveCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfe99fe8)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:1662
#22 0xb20d8e82 in KMDeleteMsgCommand::qt_metacall (this=0x89d0240, 
    _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfe99fe8)
    at /var/tmp/portage/kde-base/kmail-4.1.0/work/kmail_build/kmail/kmcommands.moc:1712
#23 0xb6b39530 in QMetaObject::activate (sender=0x871cd38, 
    from_signal_index=<value optimized out>, to_signal_index=4, 
    argv=<value optimized out>) at kernel/qobject.cpp:3001
#24 0xb6b39c92 in QMetaObject::activate (sender=0x871cd38, m=0xb6c0e944, 
    local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3071
#25 0xb6b41c2d in QSingleShotTimer::timeout (this=0x871cd38)
    at .moc/debug-shared/qtimer.moc:74
#26 0xb6b41d26 in QSingleShotTimer::timerEvent (this=0x871cd38)
    at kernel/qtimer.cpp:300
#27 0xb6b35296 in QObject::event (this=0x871cd38, e=0xbfe9a4e8)
    at kernel/qobject.cpp:1096
#28 0xb585c8a4 in QApplicationPrivate::notify_helper (this=0x805f160, 
    receiver=0x871cd38, e=0xbfe9a4e8) at kernel/qapplication.cpp:3772
#29 0xb5860a75 in QApplication::notify (this=0xbfe9a778, receiver=0x871cd38, 
    e=0xbfe9a4e8) at kernel/qapplication.cpp:3366
#30 0xb71826c3 in KApplication::notify (this=0xbfe9a778, receiver=0x871cd38, 
    event=0xbfe9a4e8)
    at /var/tmp/portage/kde-base/kdelibs-4.1.0/work/kdelibs-4.1.0/kdeui/kernel/kapplication.cpp:311
#31 0xb6b23d59 in QCoreApplication::notifyInternal (this=0xbfe9a778, 
    receiver=0x871cd38, event=0xbfe9a4e8) at kernel/qcoreapplication.cpp:587
#32 0xb6b5185a in QTimerInfoList::activateTimers (this=0x805f8ac)
    at kernel/qcoreapplication.h:215
#33 0xb6b519d0 in QEventDispatcherUNIX::activateTimers (this=0x805e788)
    at kernel/qeventdispatcher_unix.cpp:837
#34 0xb6b52f7e in QEventDispatcherUNIX::processEvents (this=0x805e788, 
    flags=@0xbfe9a668) at kernel/qeventdispatcher_unix.cpp:899
#35 0xb58ecf61 in QEventDispatcherX11::processEvents (this=0x805e788, 
    flags=@0xbfe9a698) at kernel/qeventdispatcher_x11.cpp:154
#36 0xb6b230d3 in QEventLoop::processEvents (this=0xbfe9a710, 
    flags=@0xbfe9a6d8) at kernel/qeventloop.cpp:149
#37 0xb6b23246 in QEventLoop::exec (this=0xbfe9a710, flags=@0xbfe9a718)
    at kernel/qeventloop.cpp:200
#38 0xb6b25401 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845
#39 0xb585c23f in QApplication::exec () at kernel/qapplication.cpp:3304
#40 0x0804b901 in main (argc=1, argv=0xbfe9a934)
    at /var/tmp/portage/kde-base/kontact-4.1.0/work/kontact-4.1.0/kontact/src/main.cpp:218
#0  0xffffe424 in __kernel_vsyscall ()