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 2.6.30-ARCH i686

What I was doing when the application crashed:
Kmail notified me my imap connection was lost. (probably KTorrent was using all my bandwith)
I clicked ok in the alert box.
Kmail crashed.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0xb52a411d in KIO::Slave::deref () from /usr/lib/libkio.so.5
#7  0xb52a4cc6 in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#8  0xb52a70b3 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#9  0xb6f6b9ac in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb6f6c5e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb51afca7 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#12 0xb51b1a5e in KIO::ConnectionPrivate::dequeue () from /usr/lib/libkio.so.5
#13 0xb51b1b8e in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#14 0xb6f6469b in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#15 0xb6f65d9e in QObject::event () from /usr/lib/libQtCore.so.4
#16 0xb65a8994 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#17 0xb65b007c in QApplication::notify () from /usr/lib/libQtGui.so.4
#18 0xb7d1e43a in KApplication::notify () from /usr/lib/libkdeui.so.5
#19 0xb6f55fcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#20 0xb6f56bb2 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#21 0xb6f56d7d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#22 0xb6f80a9f in ?? () from /usr/lib/libQtCore.so.4
#23 0xb46aad98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb46ae3e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#25 0xb46ae513 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb6f806cc in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb66466c5 in ?? () from /usr/lib/libQtGui.so.4
#28 0xb6f54579 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#29 0xb6f549ca in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#30 0xb6f56e3f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#31 0xb65a8817 in QApplication::exec () from /usr/lib/libQtGui.so.4
#32 0x0804a6b2 in _start ()

This bug may be a duplicate of or related to bug 205329

Reported using DrKonqi