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 2.6.30-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#5  KIO::Slave::deref (this=0x24bf910) at ../../kio/kio/slave.cpp:242
#6  0x00007f2038f8725a in KIO::Slave::gotInput (this=0x24bf910) at ../../kio/kio/slave.cpp:335
#7  0x00007f2038f89578 in KIO::Slave::qt_metacall (this=0x24bf910, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff4a1f0920) at ./slave.moc:76
#8  0x00007f203f70b682 in QMetaObject::activate (sender=0x2583dc0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x53e2ca0) at kernel/qobject.cpp:3112
#9  0x00007f2038ea39c1 in KIO::ConnectionPrivate::dequeue (this=0x24d14d0) at ../../kio/kio/connection.cpp:82
#10 0x00007f2038ea3e1a in KIO::Connection::qt_metacall (this=0x2583dc0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x326b5a0) at ./connection.moc:73
#11 0x00007f203f705f68 in QObject::event (this=0x2583dc0, e=0x2eda370) at kernel/qobject.cpp:1110
#12 0x00007f203eb6e80d in QApplicationPrivate::notify_helper (this=0x2106330, receiver=0x2583dc0, e=0x2eda370) at kernel/qapplication.cpp:4056
#13 0x00007f203eb7686a in QApplication::notify (this=0x7fff4a1f1490, receiver=0x2583dc0, e=0x2eda370) at kernel/qapplication.cpp:4021
#14 0x00007f2040dab43b in KApplication::notify (this=0x7fff4a1f1490, receiver=0x2583dc0, event=0x2eda370) at ../../kdeui/kernel/kapplication.cpp:302
#15 0x00007f203f6f651c in QCoreApplication::notifyInternal (this=0x7fff4a1f1490, receiver=0x2583dc0, event=0x2eda370) at kernel/qcoreapplication.cpp:610
#16 0x00007f203f6f7164 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x20d2510) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20d2510) at kernel/qcoreapplication.cpp:1247
#18 0x00007f203f71ef73 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#19 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#20 0x00007f2036a8f86a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00007f2036a92eb8 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0x00007f2036a9306c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007f203f71ebff in QEventDispatcherGlib::processEvents (this=0x20d2170, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#24 0x00007f203ec0564f in QGuiEventDispatcherGlib::processEvents (this=0x5, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#25 0x00007f203f6f4de2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007f203f6f51b4 in QEventLoop::exec (this=0x7fff4a1f12e0, flags=...) at kernel/qeventloop.cpp:201
#27 0x00007f203f6f7424 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#28 0x0000000000402fab in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:146

Reported using DrKonqi