Application that crashed: kmail
Version of the application: 1.12.0
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-02063003-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  KIO::Slave::deref (this=0xb402e70) at /build/buildd/kde4libs-4.2.98a/kio/kio/slave.cpp:242
#7  0xb6d7ddec in KIO::Slave::gotInput (this=0xb402e70) at /build/buildd/kde4libs-4.2.98a/kio/kio/slave.cpp:335
#8  0xb6d80273 in KIO::Slave::qt_metacall (this=0xb402e70, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfeb9ce8) at /build/buildd/kde4libs-4.2.98a/obj-i486-linux-gnu/kio/slave.moc:76
#9  0xb5f2ba58 in QMetaObject::activate (sender=0xb09c9c8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#10 0xb5f2c6e2 in QMetaObject::activate (sender=0xb09c9c8, m=0xb6e6b880, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#11 0xb6c8a147 in KIO::Connection::readyRead (this=0xb09c9c8) at /build/buildd/kde4libs-4.2.98a/obj-i486-linux-gnu/kio/connection.moc:86
#12 0xb6c8bab3 in KIO::ConnectionPrivate::dequeue (this=0x9614d40) at /build/buildd/kde4libs-4.2.98a/kio/kio/connection.cpp:82
#13 0xb6c8be96 in KIO::Connection::qt_metacall (this=0xb09c9c8, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xda32428) at /build/buildd/kde4libs-4.2.98a/obj-i486-linux-gnu/kio/connection.moc:73
#14 0xb5f246ab in QMetaCallEvent::placeMetaCall (this=0xc8a7420, object=0xb09c9c8) at kernel/qobject.cpp:489
#15 0xb5f26150 in QObject::event (this=0xb09c9c8, e=0xc8a7420) at kernel/qobject.cpp:1118
#16 0xb61a0bcc in QApplicationPrivate::notify_helper (this=0x8ba4580, receiver=0xb09c9c8, e=0xc8a7420) at kernel/qapplication.cpp:4057
#17 0xb61a8ede in QApplication::notify (this=0xbfeba518, receiver=0xb09c9c8, e=0xc8a7420) at kernel/qapplication.cpp:3604
#18 0xb7ede5cd in KApplication::notify (this=0xbfeba518, receiver=0xb09c9c8, event=0xc8a7420) at /build/buildd/kde4libs-4.2.98a/kdeui/kernel/kapplication.cpp:302
#19 0xb5f157ab in QCoreApplication::notifyInternal (this=0xbfeba518, receiver=0xb09c9c8, event=0xc8a7420) at kernel/qcoreapplication.cpp:610
#20 0xb5f16405 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8b751f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#21 0xb5f165fd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#22 0xb5f4158f in postEventSourceDispatch (s=0x8bb8d78) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#23 0xb42feb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb43020eb in ?? () from /usr/lib/libglib-2.0.so.0
#25 0xb4302268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb5f411d8 in QEventDispatcherGlib::processEvents (this=0x8b753c8, flags={i = -1075076232}) at kernel/qeventdispatcher_glib.cpp:324
#27 0xb6242765 in QGuiEventDispatcherGlib::processEvents (this=0x8b753c8, flags={i = -1075076184}) at kernel/qguieventdispatcher_glib.cpp:202
#28 0xb5f13dda in QEventLoop::processEvents (this=0xbfeba420, flags={i = -1075076120}) at kernel/qeventloop.cpp:149
#29 0xb5f1421a in QEventLoop::exec (this=0xbfeba420, flags={i = -1075076056}) at kernel/qeventloop.cpp:200
#30 0xb5f166c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#31 0xb61a0a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#32 0x0804a7d0 in _start ()

Reported using DrKonqi