Application that crashed: kontact
Version of the application: 4.3.4
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-ARCH x86_64
Distribution: "(none)"

What I was doing when the application crashed:
kontact crashes when I come back after a while. This happened two times.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f0a9898f380 in QListData::shared_null () from /usr/lib/libQtCore.so.4
#6  0x00007f0a96041c6b in void qDeleteAll<QHash<QString, KIO::SchedulerPrivate::ProtocolInfo*>::const_iterator>(QHash<QString, KIO::SchedulerPrivate::ProtocolInfo*>::const_iterator, QHash<QString, KIO::SchedulerPrivate::ProtocolInfo*>::const_iterator) () from /usr/lib/libkio.so.5
#7  0x00007f0a9603e273 in ._257::destroy() () from /usr/lib/libkio.so.5
#8  0x00007f0a9738eaf2 in __run_exit_handlers () from /lib/libc.so.6
#9  0x00007f0a9738eb45 in exit () from /lib/libc.so.6
#10 0x00007f0a82833929 in KMKernel::emergencyExit(QString const&) () from /usr/lib/libkmailprivate.so.4
#11 0x00007f0a82817d14 in KMFolderMaildir::addMsgInternal(KMMessage*, int*, bool) () from /usr/lib/libkmailprivate.so.4
#12 0x00007f0a826d06cf in KMAccount::processNewMsg(KMMessage*) () from /usr/lib/libkmailprivate.so.4
#13 0x00007f0a82824838 in KMail::PopAccount::slotProcessPendingMsgs() () from /usr/lib/libkmailprivate.so.4
#14 0x00007f0a82824e4c in KMail::PopAccount::processRemainingQueuedMessages() () from /usr/lib/libkmailprivate.so.4
#15 0x00007f0a828208f8 in KMail::PopAccount::slotJobFinished() () from /usr/lib/libkmailprivate.so.4
#16 0x00007f0a82826438 in KMail::PopAccount::slotResult(KJob*) () from /usr/lib/libkmailprivate.so.4
#17 0x00007f0a828266ac in KMail::PopAccount::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#18 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#19 0x00007f0a98a88b02 in KJob::result(KJob*) () from /usr/lib/libkdecore.so.5
#20 0x00007f0a98a88e7f in KJob::emitResult() () from /usr/lib/libkdecore.so.5
#21 0x00007f0a95f94c43 in KIO::SimpleJob::slotFinished() () from /usr/lib/libkio.so.5
#22 0x00007f0a95f95103 in KIO::TransferJob::slotFinished() () from /usr/lib/libkio.so.5
#23 0x00007f0a95f93a11 in KIO::TransferJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#24 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#25 0x00007f0a96055871 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib/libkio.so.5
#26 0x00007f0a96052123 in KIO::SlaveInterface::dispatch() () from /usr/lib/libkio.so.5
#27 0x00007f0a96044f4d in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#28 0x00007f0a9604706c in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#29 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#30 0x00007f0a95f61d97 in KIO::ConnectionPrivate::dequeue() () from /usr/lib/libkio.so.5
#31 0x00007f0a95f61ebd in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#32 0x00007f0a986ae059 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x00007f0a97b5007c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#34 0x00007f0a97b5734e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#35 0x00007f0a990438f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#36 0x00007f0a9869ebfc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#37 0x00007f0a9869f80a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#38 0x00007f0a986c7583 in ?? () from /usr/lib/libQtCore.so.4
#39 0x00007f0a9126926e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0x00007f0a9126cc28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#41 0x00007f0a9126cd50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#42 0x00007f0a986c7123 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0x00007f0a97be314e in ?? () from /usr/lib/libQtGui.so.4
#44 0x00007f0a9869d532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0x00007f0a9869d904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#46 0x00007f0a97fc78fe in QDialog::exec() () from /usr/lib/libQtGui.so.4
#47 0x00007f0a98fc9cd5 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
#48 0x00007f0a98fcaf50 in KMessageBox::createKMessageBox(KDialog*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) ()
   from /usr/lib/libkdeui.so.5
#49 0x00007f0a98fcbe13 in KMessageBox::errorListWId(unsigned long, QString const&, QStringList const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#50 0x00007f0a98fcc012 in KMessageBox::error(QWidget*, QString const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libkdeui.so.5
#51 0x00007f0a8283390c in KMKernel::emergencyExit(QString const&) () from /usr/lib/libkmailprivate.so.4
#52 0x00007f0a82817d14 in KMFolderMaildir::addMsgInternal(KMMessage*, int*, bool) () from /usr/lib/libkmailprivate.so.4
#53 0x00007f0a826d06cf in KMAccount::processNewMsg(KMMessage*) () from /usr/lib/libkmailprivate.so.4
#54 0x00007f0a82824838 in KMail::PopAccount::slotProcessPendingMsgs() () from /usr/lib/libkmailprivate.so.4
#55 0x00007f0a82824e4c in KMail::PopAccount::processRemainingQueuedMessages() () from /usr/lib/libkmailprivate.so.4
#56 0x00007f0a828208f8 in KMail::PopAccount::slotJobFinished() () from /usr/lib/libkmailprivate.so.4
#57 0x00007f0a82826438 in KMail::PopAccount::slotResult(KJob*) () from /usr/lib/libkmailprivate.so.4
#58 0x00007f0a828266ac in KMail::PopAccount::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#59 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#60 0x00007f0a98a88b02 in KJob::result(KJob*) () from /usr/lib/libkdecore.so.5
#61 0x00007f0a98a88e7f in KJob::emitResult() () from /usr/lib/libkdecore.so.5
#62 0x00007f0a95f94c43 in KIO::SimpleJob::slotFinished() () from /usr/lib/libkio.so.5
#63 0x00007f0a95f95103 in KIO::TransferJob::slotFinished() () from /usr/lib/libkio.so.5
#64 0x00007f0a95f93a11 in KIO::TransferJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#65 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#66 0x00007f0a96055871 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib/libkio.so.5
#67 0x00007f0a96052123 in KIO::SlaveInterface::dispatch() () from /usr/lib/libkio.so.5
#68 0x00007f0a96044f4d in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#69 0x00007f0a9604706c in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#70 0x00007f0a986b3d3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#71 0x00007f0a95f61d97 in KIO::ConnectionPrivate::dequeue() () from /usr/lib/libkio.so.5
#72 0x00007f0a95f61ebd in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#73 0x00007f0a986ae059 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#74 0x00007f0a97b5007c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#75 0x00007f0a97b5734e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#76 0x00007f0a990438f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#77 0x00007f0a9869ebfc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#78 0x00007f0a9869f80a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#79 0x00007f0a986c7583 in ?? () from /usr/lib/libQtCore.so.4
#80 0x00007f0a9126926e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#81 0x00007f0a9126cc28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#82 0x00007f0a9126cd50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#83 0x00007f0a986c7123 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#84 0x00007f0a97be314e in ?? () from /usr/lib/libQtGui.so.4
#85 0x00007f0a9869d532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#86 0x00007f0a9869d904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#87 0x00007f0a9869fab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#88 0x0000000000403ef7 in _start ()

Reported using DrKonqi