Application that crashed: kontact
Version of the application: 4.3.4
KDE Version: 4.3.4 (KDE 4.3.4) "release 2"
Qt Version: 4.6.0
Operating System: Linux 2.6.27.39-0.2-pae i686
Distribution: "openSUSE 11.1 (i586)"

What I was doing when the application crashed:
even though the network connection was still there kmail lost IMAP connection and crashed after confirming the alter box saying the connection was lost.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb6722e2d in KIO::Slave::deref() () from /usr/lib/libkio.so.5
#7  0xb672361c in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#8  0xb6725aa3 in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#9  0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#10 0xb5d9443b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb662dbd7 in KIO::Connection::readyRead() () from /usr/lib/libkio.so.5
#12 0xb662f543 in ?? () from /usr/lib/libkio.so.5
#13 0xb662f926 in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#14 0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#15 0xb5d8f566 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#16 0xb5d90a33 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#17 0xb5163c7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb516a655 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0xb63a08bd in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#20 0xb5d7f8ab in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#21 0xb5d8087f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#22 0xb5d80a2d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#23 0xb5dac98f in ?? () from /usr/lib/libQtCore.so.4
#24 0xb3eeb9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0xb3eef083 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0xb3eef241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0xb5dac4a1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0xb5220ac5 in ?? () from /usr/lib/libQtGui.so.4
#29 0xb5d7deba in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0xb5d7e302 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0xb567c103 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#32 0xb631c56c in KMessageBox::createKMessageBox(KDialog*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) ()
   from /usr/lib/libkdeui.so.5
#33 0xb631d881 in KMessageBox::createKMessageBox(KDialog*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) ()
   from /usr/lib/libkdeui.so.5
#34 0xb631fd9a in KMessageBox::informationListWId(unsigned long, QString const&, QStringList const&, QString const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#35 0xb631ff08 in KMessageBox::informationList(QWidget*, QString const&, QStringList const&, QString const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#36 0xb631ff68 in KMessageBox::information(QWidget*, QString const&, QString const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#37 0xafd8d3f0 in ?? () from /usr/lib/libkmailprivate.so.4
#38 0xafd82e8b in ?? () from /usr/lib/libkmailprivate.so.4
#39 0xafd88f38 in ?? () from /usr/lib/libkmailprivate.so.4
#40 0xafd8dfeb in ?? () from /usr/lib/libkmailprivate.so.4
#41 0xafd96d0a in ?? () from /usr/lib/libkmailprivate.so.4
#42 0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#43 0xb5d9443b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#44 0xb5fe6c23 in KJob::result(KJob*) () from /usr/lib/libkdecore.so.5
#45 0xb5fe70c9 in KJob::emitResult() () from /usr/lib/libkdecore.so.5
#46 0xb6669f45 in KIO::SimpleJob::slotFinished() () from /usr/lib/libkio.so.5
#47 0xb66669f3 in KIO::SimpleJob::slotError(int, QString const&) () from /usr/lib/libkio.so.5
#48 0xb6666beb in KIO::SimpleJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#49 0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#50 0xb5d9443b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#51 0xb6731449 in KIO::SlaveInterface::error(int, QString const&) () from /usr/lib/libkio.so.5
#52 0xb67351e7 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib/libkio.so.5
#53 0xb6731897 in KIO::SlaveInterface::dispatch() () from /usr/lib/libkio.so.5
#54 0xb672360d in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#55 0xb6725aa3 in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#56 0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#57 0xb5d9443b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#58 0xb662dbd7 in KIO::Connection::readyRead() () from /usr/lib/libkio.so.5
#59 0xb662f543 in ?? () from /usr/lib/libkio.so.5
#60 0xb662f926 in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#61 0xb5d84d65 in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#62 0xb5d8f566 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#63 0xb5d90a33 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#64 0xb5163c7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#65 0xb516a655 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#66 0xb63a08bd in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#67 0xb5d7f8ab in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#68 0xb5d8087f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#69 0xb5d80a2d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#70 0xb5dac98f in ?? () from /usr/lib/libQtCore.so.4
#71 0xb3eeb9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#72 0xb3eef083 in ?? () from /usr/lib/libglib-2.0.so.0
#73 0xb3eef241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#74 0xb5dac4a1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#75 0xb5220ac5 in ?? () from /usr/lib/libQtGui.so.4
#76 0xb5d7deba in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#77 0xb5d7e302 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#78 0xb5d80af9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#79 0xb5163d27 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#80 0x0804c04f in _start ()

Reported using DrKonqi