Application that crashed: kontact
Version of the application: 4.3.0 pre
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-10-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
even after switching to imap, still the index corruption reoccurring alert, only way out is to close the main window

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x0000000000000006 in ?? ()
#6  0x00007f3c58621ace in KMFolderIndex::recreateIndex (this=0x1093670) at ../../kmail/kmfolderindex.cpp:488
#7  0x00007f3c584bbb15 in KMMsgBase::getLongPart (this=0x32b5a70, t=KMMsgBase::MsgStatusPart) at ../../kmail/kmmsgbase.cpp:1045
#8  0x00007f3c58461805 in KMMsgInfo::status (this=0x32b5a70) at ../../kmail/kmmsginfo.cpp:503
#9  0x00007f3c58622963 in KMFolderIndex::readIndex (this=0x1093670) at ../../kmail/kmfolderindex.cpp:248
#10 0x00007f3c58624058 in KMFolderIndex::openInternal (this=0x1093670, options=) at ../../kmail/kmfolderindex_common.cpp:153
#11 0x00007f3c584e3c06 in KMFolderMbox::open (this=0x1093670, owner=<value optimized out>) at ../../kmail/kmfoldermbox.cpp:139
#12 0x00007f3c585ee2e3 in KMMoveCommand::execute (this=0x2bb8f90) at ../../kmail/kmcommands.cpp:2028
#13 0x00007f3c585d4d7a in KMCommand::slotPostTransfer (this=0x2bb8f90, result=KMCommand::OK) at ../../kmail/kmcommands.cpp:273
#14 0x00007f3c585dec53 in KMCommand::qt_metacall (this=0x2bb8f90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44681f40) at ./kmcommands.moc:87
#15 0x00007f3c585efab0 in KMMoveCommand::qt_metacall (this=0x1093670, _c=1840723872, _id=37321280, _a=0x33486a0) at ./kmcommands.moc:1706
#16 0x00007f3c6e21074c in QMetaObject::activate (sender=0x2bb8f90, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x33486a0) at kernel/qobject.cpp:3120
#17 0x00007f3c585d1f4e in KMCommand::messagesTransfered (this=0x1093670, _t1=KMCommand::OK) at ./kmcommands.moc:102
#18 0x00007f3c585ed418 in KMCommand::transferSelectedMsgs (this=0x2bb8f90) at ../../kmail/kmcommands.cpp:367
#19 0x00007f3c585ed63f in KMCommand::slotStart (this=0x2bb8f90) at ../../kmail/kmcommands.cpp:265
#20 0x00007f3c585dec36 in KMCommand::qt_metacall (this=0x2bb8f90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff446821a0) at ./kmcommands.moc:86
#21 0x00007f3c585efab0 in KMMoveCommand::qt_metacall (this=0x1093670, _c=1840723872, _id=37321280, _a=0x33486a0) at ./kmcommands.moc:1706
#22 0x00007f3c6e21074c in QMetaObject::activate (sender=0x1ec93e0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x33486a0) at kernel/qobject.cpp:3120
#23 0x00007f3c6e21578f in QSingleShotTimer::timerEvent (this=0x1ec93e0) at kernel/qtimer.cpp:298
#24 0x00007f3c6e20a623 in QObject::event (this=0x1ec93e0, e=0x7f3c6db737a0) at kernel/qobject.cpp:1082
#25 0x00007f3c6eb1227c in QApplicationPrivate::notify_helper (this=0xadd800, receiver=0x1ec93e0, e=0x7fff446827b0) at kernel/qapplication.cpp:4057
#26 0x00007f3c6eb1954e in QApplication::notify (this=0x7fff44682b10, receiver=0x1ec93e0, e=0x7fff446827b0) at kernel/qapplication.cpp:4022
#27 0x00007f3c6f76fc16 in KApplication::notify (this=0x7fff44682b10, receiver=0x1ec93e0, event=0x7fff446827b0) at ../../kdeui/kernel/kapplication.cpp:302
#28 0x00007f3c6e1fb20c in QCoreApplication::notifyInternal (this=0x7fff44682b10, receiver=0x1ec93e0, event=0x7fff446827b0) at kernel/qcoreapplication.cpp:610
#29 0x00007f3c6e226142 in QTimerInfoList::activateTimers (this=0xaea470) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#30 0x00007f3c6e223c1d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:164
#31 0x00007f3c680108fe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#32 0x00007f3c68013fd8 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0x00007f3c68014100 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#34 0x00007f3c6e223b66 in QEventDispatcherGlib::processEvents (this=0xab2850, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#35 0x00007f3c6eba655e in QGuiEventDispatcherGlib::processEvents (this=0x1093670, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#36 0x00007f3c6e1f9b12 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007f3c6e1f9ee4 in QEventLoop::exec (this=0x7fff44682a50, flags=) at kernel/qeventloop.cpp:200
#38 0x00007f3c6e1fbf89 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#39 0x0000000000403f27 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi