Application that crashed: kontact
Version of the application: 4.3.5
KDE Version: 4.3.5 (KDE 4.3.5) "release 2"
Qt Version: 4.5.3
Operating System: Linux 2.6.31.8-0.1-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
I having an imap account configured with kmail but no password saved for it.
kontact (kmail part) ask me for the password at startup and after typing my password kontact crashes.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fb2288a2813 in QTreeWidget::setItemExpanded(QTreeWidgetItem const*, bool) () from /usr/lib64/libQtGui.so.4
#6  0x00007fb2136a2c14 in setExpanded (aexpand=<value optimized out>, this=<value optimized out>) at /usr/include/QtGui/qtreewidget.h:409
#7  KMail::FolderView::restoreItemStates (aexpand=<value optimized out>, this=<value optimized out>) at /usr/src/debug/kdepim-4.3.5/kmail/folderview.cpp:388
#8  0x00007fb2136a91b7 in KMail::FolderView::reload (this=0xa7e7c0, openFoldersForUpdate=false) at /usr/src/debug/kdepim-4.3.5/kmail/folderview.cpp:665
#9  0x00007fb2138e274b in KMMainWidget::readConfig (this=0xee1220) at /usr/src/debug/kdepim-4.3.5/kmail/kmmainwidget.cpp:601
#10 0x00007fb2138f39cd in KMMainWidget::KMMainWidget (this=0xee1220, parent=<value optimized out>, aGUIClient=<value optimized out>, actionCollection=<value optimized out>, config=0x632f30)
    at /usr/src/debug/kdepim-4.3.5/kmail/kmmainwidget.cpp:233
#11 0x00007fb213f2d4b6 in KMailPart::KMailPart (this=0xa2e6c0, parentWidget=<value optimized out>, parent=<value optimized out>, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>)
    at /usr/src/debug/kdepim-4.3.5/kmail/kmail_part.cpp:112
#12 0x00007fb213f2e69f in KPluginFactory::createPartInstance<KMailPart> (parentWidget=0x643f90, parent=0x643f90, args=...) at /usr/include/kpluginfactory.h:467
#13 0x00007fb22938d2ee in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib64/libkdecore.so.5
#14 0x00007fb229f65f8b in Kontact::Core::createPart(char const*) () from /usr/lib64/libkontactinterfaces.so.4
#15 0x00007fb214c1aa60 in KMailPlugin::createPart (this=0x7fb2291977a0) at /usr/src/debug/kdepim-4.3.5/kontact/plugins/kmail/kmail_plugin.cpp:170
#16 0x00007fb229f66aa9 in Kontact::Plugin::part() () from /usr/lib64/libkontactinterfaces.so.4
#17 0x00007fb22a18a93f in Kontact::MainWindow::selectPlugin (this=0x643f90, plugin=0x994c60) at /usr/src/debug/kdepim-4.3.5/kontact/src/mainwindow.cpp:754
#18 0x00007fb22a18607c in Kontact::MainWindow::loadSettings (this=0x643f90) at /usr/src/debug/kdepim-4.3.5/kontact/src/mainwindow.cpp:926
#19 0x00007fb22a18eb90 in Kontact::MainWindow::initObject (this=0x643f90) at /usr/src/debug/kdepim-4.3.5/kontact/src/mainwindow.cpp:226
#20 0x00007fb22a18f03c in Kontact::MainWindow::MainWindow (this=0x643f90, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>)
    at /usr/src/debug/kdepim-4.3.5/kontact/src/mainwindow.cpp:162
#21 0x0000000000404874 in KontactApp::newInstance (this=0x7fff413f3190) at /usr/src/debug/kdepim-4.3.5/kontact/src/main.cpp:134
#22 0x00007fb22982bd36 in KUniqueApplicationAdaptor::newInstance (this=0x7f7950, asn_id=<value optimized out>, args=...) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kuniqueapplication.cpp:459
#23 0x00007fb22982c326 in KUniqueApplicationAdaptor::qt_metacall (this=0x7f7950, _c=InvokeMetaMethod, _id=23688288, _a=0x7fff413f24c0)
    at /usr/src/debug/kdelibs-4.3.5/build/kdeui/kuniqueapplication_p.moc:75
#24 0x00007fb226479b78 in ?? () from /usr/lib64/libQtDBus.so.4
#25 0x00007fb22647a959 in ?? () from /usr/lib64/libQtDBus.so.4
#26 0x00007fb22647b237 in ?? () from /usr/lib64/libQtDBus.so.4
#27 0x00007fb22647b4b8 in ?? () from /usr/lib64/libQtDBus.so.4
#28 0x00007fb228eb62d9 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#29 0x00007fb22837befd in QApplication::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x00007fb2283722ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#31 0x00007fb22837957e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#32 0x00007fb229825016 in KApplication::notify (this=0x7fff413f3190, receiver=0x7fff413f3190, event=0x819300) at /usr/src/debug/kdelibs-4.3.5/kdeui/kernel/kapplication.cpp:302
#33 0x00007fb228ea6ddc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#34 0x00007fb228ea79ea in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#35 0x00007fb228ecf803 in ?? () from /usr/lib64/libQtCore.so.4
#36 0x00007fb221aa4dde in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#37 0x00007fb221aa87a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#38 0x00007fb221aa88d0 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#39 0x00007fb228ecf3a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#40 0x00007fb22840531e in ?? () from /usr/lib64/libQtGui.so.4
#41 0x00007fb228ea5712 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#42 0x00007fb228ea5ae4 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#43 0x00007fb228ea7c99 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#44 0x0000000000403f67 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdepim-4.3.5/kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 190599

Reported using DrKonqi