Application that crashed: kontact
Version of the application: 4.3.0 pre
KDE Version: 4.2.88 (KDE 4.2.88 (KDE 4.3 >= 20090527)) "release 127"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.21-0.1-default x86_64
Distribution: "openSUSE 11.1 (x86_64)"

What I was doing when the application crashed:
Kontact crashed when I tried to open mailbox/folder "Inthuis". Don't know if it is possible to duplicate this. Will keep an eye out for it.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  QHash<void*, QByteArray>::remove (this=0x0, akey=@0x7fff44c7aa38) at tools/qhash.h:281
#6  0x00007fd638073054 in QString::free (d=0x30b3cd0) at tools/qstring.cpp:952
#7  0x00007fd62372c991 in ~KMMsgBase (this=<value optimized out>) at /usr/include/QtCore/qstring.h:866
#8  0x00007fd6236db06b in ~KMMsgInfo (this=0x23c9d10) at /usr/src/debug/kdepim-4.2.88svn973768/kmail/kmmsginfo.cpp:153
#9  0x00007fd623734d2b in KMMsgList::clear (this=0xed3228, doDelete=true, syncDict=false) at /usr/src/debug/kdepim-4.2.88svn973768/kmail/kmmsglist.cpp:37
#10 0x00007fd62379eb3d in KMFolderMaildir::reallyDoClose (this=0xed31b0) at /usr/src/debug/kdepim-4.2.88svn973768/kmail/kmfoldermaildir.cpp:203
#11 0x00007fd6239cb4e1 in ~StorageModel (this=0x5ba4770) at /usr/src/debug/kdepim-4.2.88svn973768/kmail/messagelistview/storagemodel.cpp:212
#12 0x00007fd623a25ec5 in KMail::MessageListView::Core::Widget::setStorageModel (this=0x1261a20, storageModel=0x360d1d0, preSelectionMode=KMail::MessageListView::Core::PreSelectLastSelected)
    at /usr/src/debug/kdepim-4.2.88svn973768/kmail/messagelistview/core/widgetbase.cpp:307
#13 0x00007fd6239cfdd8 in KMail::MessageListView::Widget::setFolder (this=0x1261a20, fld=0xee3490, icon=<value optimized out>, preSelectionMode=KMail::MessageListView::Core::PreSelectLastSelected)
    at /usr/src/debug/kdepim-4.2.88svn973768/kmail/messagelistview/widget.cpp:113
#14 0x00007fd6239c96cb in KMail::MessageListView::Pane::setCurrentFolder (this=0x12687a0, fld=0xee3490, preferEmptyTab=false, preSelectionMode=KMail::MessageListView::Core::PreSelectLastSelected, 
    overrideLabel=@0x7fff44c7af10) at /usr/src/debug/kdepim-4.2.88svn973768/kmail/messagelistview/pane.cpp:201
#15 0x00007fd62389e37f in KMMainWidget::folderSelected (this=0x1268400, aFolder=0xee3490, forceJumpToUnread=false, preferNewTabForOpening=false)
    at /usr/src/debug/kdepim-4.2.88svn973768/kmail/kmmainwidget.cpp:3077
#16 0x00007fd6238a0b21 in KMMainWidget::qt_metacall (this=0x1268400, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44c7b0a0)
    at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/kmmainwidget.moc:509
#17 0x00007fd63812dae2 in QMetaObject::activate (sender=0x12636f0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x4f17350) at kernel/qobject.cpp:3112
#18 0x00007fd62363fee0 in KMail::FolderViewManager::folderActivated (this=0x0, _t1=0xee3490, _t2=false) at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/folderview.moc:89
#19 0x00007fd62364a978 in KMail::FolderView::activateItemInternal (this=0x1536520, fvi=0x1628ee0, keepSelection=false, notifyManager=true, middleButton=80)
    at /usr/src/debug/kdepim-4.2.88svn973768/kmail/folderview.cpp:1104
#20 0x00007fd62364b30a in KMail::FolderView::qt_metacall (this=0x1536520, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44c7b260)
    at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/folderview.moc:211
#21 0x00007fd62364e3f6 in KMail::MainFolderView::qt_metacall (this=0x0, _c=1153935928, _id=37526784, _a=0x4f17350) at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/mainfolderview.moc:64
#22 0x00007fd63812dae2 in QMetaObject::activate (sender=0x1536520, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x4f17350) at kernel/qobject.cpp:3112
#23 0x00007fd63738cdf0 in QTreeWidget::itemClicked (this=0x0, _t1=0x1628ef0, _t2=0) at .moc/release-shared/moc_qtreewidget.cpp:201
#24 0x00007fd637399c43 in QTreeWidget::qt_metacall (this=0x1536520, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44c7b460) at .moc/release-shared/moc_qtreewidget.cpp:144
#25 0x00007fd63b5015f5 in KPIM::TreeWidget::qt_metacall (this=0x0, _c=1153935928, _id=37526784, _a=0x4f17350) at /usr/src/debug/kdepim-4.2.88svn973768/build/libkdepim/moc_treewidget.cpp:68
#26 0x00007fd63b55b636 in KPIM::FolderTreeWidget::qt_metacall (this=0x0, _c=1153935928, _id=37526784, _a=0x4f17350) at /usr/src/debug/kdepim-4.2.88svn973768/build/libkdepim/foldertreewidget.moc:68
#27 0x00007fd62364b175 in KMail::FolderView::qt_metacall (this=0x0, _c=1153935928, _id=37526784, _a=0x4f17350) at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/folderview.moc:191
#28 0x00007fd62364e3f6 in KMail::MainFolderView::qt_metacall (this=0x0, _c=1153935928, _id=37526784, _a=0x4f17350) at /usr/src/debug/kdepim-4.2.88svn973768/build/kmail/mainfolderview.moc:64
#29 0x00007fd63812dae2 in QMetaObject::activate (sender=0x1536520, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x4f17350) at kernel/qobject.cpp:3112
#30 0x00007fd6373141a5 in QAbstractItemView::clicked (this=0x0, _t1=<value optimized out>) at .moc/release-shared/moc_qabstractitemview.cpp:321
#31 0x00007fd6373210ab in QAbstractItemView::mouseReleaseEvent (this=0x1536520, event=0x7fff44c7c100) at itemviews/qabstractitemview.cpp:1660
#32 0x00007fd636ea6e2f in QWidget::event (this=0x1536520, event=0x7fff44c7c100) at kernel/qwidget.cpp:7548
#33 0x00007fd6371ee756 in QFrame::event (this=0x1536520, e=0x7fff44c7c100) at widgets/qframe.cpp:559
#34 0x00007fd63732474d in QAbstractItemView::viewportEvent (this=0x1536520, event=0x7fff44c7c100) at itemviews/qabstractitemview.cpp:1476
#35 0x00007fd63735b160 in QTreeView::viewportEvent (this=0x1536520, event=0x7fff44c7c100) at itemviews/qtreeview.cpp:1266
#36 0x00007fd638117797 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1312b60, event=0x7fff44c7c100) at kernel/qcoreapplication.cpp:726
#37 0x00007fd636e575ec in QApplicationPrivate::notify_helper (this=0x63b470, receiver=0x1312b60, e=0x7fff44c7c100) at kernel/qapplication.cpp:4052
#38 0x00007fd636e5e999 in QApplication::notify (this=<value optimized out>, receiver=0x1312b60, e=0x7fff44c7c100) at kernel/qapplication.cpp:3758
#39 0x00007fd638f4f04b in KApplication::notify (this=0x7fff44c7e000, receiver=0x1312b60, event=0x7fff44c7c100) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/kernel/kapplication.cpp:302
#40 0x00007fd63811849c in QCoreApplication::notifyInternal (this=0x7fff44c7e000, receiver=0x1312b60, event=0x7fff44c7c100) at kernel/qcoreapplication.cpp:610
#41 0x00007fd636e5e210 in QApplicationPrivate::sendMouseEvent (receiver=0x1312b60, event=0x7fff44c7c100, alienWidget=0x1312b60, nativeWidget=0x1268400, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:216
#42 0x00007fd636ec525e in QETWidget::translateMouseEvent (this=0x1268400, event=<value optimized out>) at kernel/qapplication_x11.cpp:4415
#43 0x00007fd636ec428f in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff44c7dc30) at kernel/qapplication_x11.cpp:3556
#44 0x00007fd636eec564 in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#45 0x00007fd631039dca in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#46 0x00007fd63103d4a0 in ?? () from /usr/lib64/libglib-2.0.so.0
#47 0x00007fd63103d63c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#48 0x00007fd638141416 in QEventDispatcherGlib::processEvents (this=0x60b4c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#49 0x00007fd636eebd0e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#50 0x00007fd638116d62 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#51 0x00007fd63811713c in QEventLoop::exec (this=0x7fff44c7df60, flags=) at kernel/qeventloop.cpp:201
#52 0x00007fd638119349 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#53 0x0000000000404995 in main (argc=3, argv=0x7fff44c7e6e8) at /usr/src/debug/kdepim-4.2.88svn973768/kontact/src/main.cpp:218

Reported using DrKonqi