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 2.6.30-6-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
happens every now and then wit various subfolders. Only remedy is to restart kontact/kmail

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f7769fbec98 in KMFolderIndex::recreateIndex (this=0x2520190) at ../../kmail/kmfolderindex.cpp:483
#6  0x00007f7769e53cad in KMMsgBase::getLongPart (this=0x2d51340, t=KMMsgBase::MsgStatusPart) at ../../kmail/kmmsgbase.cpp:1045
#7  0x00007f7769df8785 in KMMsgInfo::status (this=0x2d51340) at ../../kmail/kmmsginfo.cpp:503
#8  0x00007f7769fbfb53 in KMFolderIndex::readIndex (this=0x2520190) at ../../kmail/kmfolderindex.cpp:248
#9  0x00007f7769fc1270 in KMFolderIndex::openInternal (this=0x2520190, options=) at ../../kmail/kmfolderindex_common.cpp:153
#10 0x00007f7769eb8fb1 in KMFolderMaildir::open (this=0x2520190) at ../../kmail/kmfoldermaildir.cpp:133
#11 0x00007f776a0e8400 in StorageModel (this=0x2a260a0, folder=0x25087f0, parent=<value optimized out>) at ../../kmail/messagelistview/storagemodel.cpp:47
#12 0x00007f776a0eaa90 in KMail::MessageListView::Widget::setFolder (this=0x2543430, fld=<value optimized out>, icon=<value optimized out>, preSelectionMode=<value optimized out>)
    at ../../kmail/messagelistview/widget.cpp:113
#13 0x00007f776a0e4376 in KMail::MessageListView::Pane::setCurrentFolder (this=0x253a410, fld=0x25087f0, preferEmptyTab=<value optimized out>, 
    preSelectionMode=KMail::MessageListView::Core::PreSelectLastSelected, overrideLabel=@0x7fffc8f7f3f0) at ../../kmail/messagelistview/pane.cpp:201
#14 0x00007f7769fba8a6 in KMMainWidget::folderSelected (this=0x254a4e0, aFolder=<value optimized out>, forceJumpToUnread=false, preferNewTabForOpening=81) at ../../kmail/kmmainwidget.cpp:3077
#15 0x00007f7769fbcd7c in KMMainWidget::qt_metacall (this=0x254a4e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc8f7f580) at ./kmmainwidget.moc:509
#16 0x00007f777fbcae12 in QMetaObject::activate (sender=0x252f7e0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3120
#17 0x00007f7769d60340 in KMail::FolderViewManager::folderActivated (this=0x2520190, _t1=0x25087f0, _t2=false) at ./folderview.moc:89
#18 0x00007f7769d6a7d7 in KMail::FolderView::activateItemInternal (this=0x261d570, fvi=0x2948ca0, keepSelection=false, notifyManager=true, middleButton=false) at ../../kmail/folderview.cpp:1018
#19 0x00007f7769d6b293 in KMail::FolderView::qt_metacall (this=0x261d570, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc8f7f750) at ./folderview.moc:204
#20 0x00007f7769d6ef40 in KMail::MainFolderView::qt_metacall (this=0x2520190, _c=2136123192, _id=81, _a=0x0) at ./mainfolderview.moc:64
#21 0x00007f777fbcae12 in QMetaObject::activate (sender=0x261d570, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3120
#22 0x00007f7780a4bae0 in QTreeWidget::itemClicked (this=0x2520190, _t1=0x2948cb0, _t2=0) at .moc/release-shared/moc_qtreewidget.cpp:201
#23 0x00007f7780a58933 in QTreeWidget::qt_metacall (this=0x261d570, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc8f7f950) at .moc/release-shared/moc_qtreewidget.cpp:144
#24 0x00007f77815ade20 in KPIM::TreeWidget::qt_metacall (this=0x2520190, _c=2136123192, _id=81, _a=0x0) at moc_treewidget.cpp:68
#25 0x00007f77816094a0 in KPIM::FolderTreeWidget::qt_metacall (this=0x2520190, _c=2136123192, _id=81, _a=0x0) at ./foldertreewidget.moc:68
#26 0x00007f7769d6b0d0 in KMail::FolderView::qt_metacall (this=0x2520190, _c=2136123192, _id=81, _a=0x0) at ./folderview.moc:186
#27 0x00007f7769d6ef40 in KMail::MainFolderView::qt_metacall (this=0x2520190, _c=2136123192, _id=81, _a=0x0) at ./mainfolderview.moc:64
#28 0x00007f777fbcae12 in QMetaObject::activate (sender=0x261d570, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3120
#29 0x00007f77809d2ec5 in QAbstractItemView::clicked (this=0x2520190, _t1=<value optimized out>) at .moc/release-shared/moc_qabstractitemview.cpp:321
#30 0x00007f77809dfd5b in QAbstractItemView::mouseReleaseEvent (this=0x261d570, event=0x7fffc8f805f0) at itemviews/qabstractitemview.cpp:1655
#31 0x00007f778051dd0f in QWidget::event (this=0x261d570, event=0x7fffc8f805f0) at kernel/qwidget.cpp:7521
#32 0x00007f77808ae186 in QFrame::event (this=0x261d570, e=0x7fffc8f805f0) at widgets/qframe.cpp:559
#33 0x00007f77809e33fd in QAbstractItemView::viewportEvent (this=0x261d570, event=0x7fffc8f805f0) at itemviews/qabstractitemview.cpp:1471
#34 0x00007f7780a19d70 in QTreeView::viewportEvent (this=0x261d570, event=0x7fffc8f805f0) at itemviews/qtreeview.cpp:1264
#35 0x00007f777fbb46e7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2613140, event=0x7fffc8f805f0) at kernel/qcoreapplication.cpp:726
#36 0x00007f77804ce3cc in QApplicationPrivate::notify_helper (this=0x1f12880, receiver=0x2613140, e=0x7fffc8f805f0) at kernel/qapplication.cpp:4053
#37 0x00007f77804d5db1 in QApplication::notify (this=<value optimized out>, receiver=0x2613140, e=0x7fffc8f805f0) at kernel/qapplication.cpp:3759
#38 0x00007f778113bc36 in KApplication::notify (this=0x7fffc8f82510, receiver=0x2613140, event=0x7fffc8f805f0) at ../../kdeui/kernel/kapplication.cpp:302
#39 0x00007f777fbb53ec in QCoreApplication::notifyInternal (this=0x7fffc8f82510, receiver=0x2613140, event=0x7fffc8f805f0) at kernel/qcoreapplication.cpp:610
#40 0x00007f77804d4ff0 in QApplicationPrivate::sendMouseEvent (receiver=0x2613140, event=0x7fffc8f805f0, alienWidget=0x2613140, nativeWidget=0x254a4e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#41 0x00007f778053c27e in QETWidget::translateMouseEvent (this=0x254a4e0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4448
#42 0x00007f778053b2a8 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffc8f82120) at kernel/qapplication_x11.cpp:3566
#43 0x00007f7780564a34 in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x00007f77799b08be in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#45 0x00007f77799b3f98 in ?? () from /usr/lib/libglib-2.0.so.0
#46 0x00007f77799b40c0 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#47 0x00007f777fbde706 in QEventDispatcherGlib::processEvents (this=0x1ee7850, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#48 0x00007f77805641de in QGuiEventDispatcherGlib::processEvents (this=0x2520190, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#49 0x00007f777fbb3cc2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#50 0x00007f777fbb4094 in QEventLoop::exec (this=0x7fffc8f82450, flags=) at kernel/qeventloop.cpp:200
#51 0x00007f777fbb6189 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#52 0x0000000000403f2e in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218