Application that crashed: kmail
Version of the application: 1.12.3
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-ARCH i686

What I was doing when the application crashed:
what i did: connected to one wifi, suspend, resume at another location, connected to other wifi, kmail crash on automatic synchronization , i'm using imap access to gmail, aol mail. 

Cannot tell what caused the crash..just describing things.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0xb49fe75d in KIO::Slave::deref() () from /usr/lib/libkio.so.5
#7  0xb49ff306 in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#8  0xb4a016f3 in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#9  0xb671ffdc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0xb6720c12 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb490a017 in KIO::Connection::readyRead() () from /usr/lib/libkio.so.5
#12 0xb490bdce in KIO::ConnectionPrivate::dequeue() () from /usr/lib/libkio.so.5
#13 0xb490befe in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#14 0xb6718ccb in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#15 0xb671a3ce in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#16 0xb5d5d924 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0xb5d6500c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb751b5ca in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0xb670a5bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0xb670b1e2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#21 0xb670b3ad in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#22 0xb67351cf in ?? () from /usr/lib/libQtCore.so.4
#23 0xb3dc7328 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb3dcaba0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#25 0xb3dcacd3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb6734d25 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#27 0xb5dfb705 in ?? () from /usr/lib/libQtGui.so.4
#28 0xb6708ba9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0xb6708ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0xb670b46f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#31 0xb5d5d7a7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#32 0x0804a6b2 in _start ()

This bug may be a duplicate of or related to bug 175981

Reported using DrKonqi