Application that crashed: kmail
Version of the application: 1.12.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0xb6ce534d in KIO::Slave::deref () from /usr/lib/libkio.so.5
#7  0xb6ce5b3c in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#8  0xb6ce7fc3 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#9  0xb5ebc1b8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb5ebce42 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb6bf1697 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#12 0xb6bf3003 in ?? () from /usr/lib/libkio.so.5
#13 0xb6bf33e6 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#14 0xb5eb58cb in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#15 0xb5eb73b0 in QObject::event () from /usr/lib/libQtCore.so.4
#16 0xb6132d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#17 0xb613b03e in QApplication::notify () from /usr/lib/libQtGui.so.4
#18 0xb7e4e85d in KApplication::notify () from /usr/lib/libkdeui.so.5
#19 0xb5ea6bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#20 0xb5ea7825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#21 0xb5ea7a1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#22 0xb5ed26af in ?? () from /usr/lib/libQtCore.so.4
#23 0xb42a8b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb42ac0eb in ?? () from /usr/lib/libglib-2.0.so.0
#25 0xb42ac268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb5ed22f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb61d4a75 in ?? () from /usr/lib/libQtGui.so.4
#28 0xb5ea51fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#29 0xb5ea5642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#30 0xb5ea7ae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#31 0xb6132bb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#32 0x0804a7d0 in _start ()

This bug may be a duplicate of or related to bug 207641

Reported using DrKonqi