Application that crashed: kontact
Version of the application: 4.3.4
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I got an error popup message saying that the retrieval of my e-mails failed (disconnected IMAP account). When I clicked on the "close" button, Kontact crashed. 

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0x06b0ff7d in KIO::Slave::deref() () from /usr/lib/libkio.so.5
#7  0x06b10b26 in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#8  0x06b12f13 in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#9  0x01952263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x01952ec2 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x06a1af37 in KIO::Connection::readyRead() () from /usr/lib/libkio.so.5
#12 0x06a1ccfe in ?? () from /usr/lib/libkio.so.5
#13 0x06a1ce2e in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#14 0x0194af0b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#15 0x0194c5fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00f7ff54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x00f8767c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x0056c1aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x0193c6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x0193d2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#21 0x0193d47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#22 0x019673ff in ?? () from /usr/lib/libQtCore.so.4
#23 0x01befe88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x01bf3730 in ?? () from /lib/libglib-2.0.so.0
#25 0x01bf3863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x0196702c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#27 0x01020be5 in ?? () from /usr/lib/libQtGui.so.4
#28 0x0193ac79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x0193b0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x0193d53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#31 0x00f7fdd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#32 0x0804b4e6 in _start ()

This bug may be a duplicate of or related to bug 217333

Reported using DrKonqi