Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.29-02062906-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma crashed after log-in..... nothing special done, don't know why it does.... i changed nothing, just updating....

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 11178)]

Thread 2 (Thread 0x7f3bb304c950 (LWP 11181)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f3bd7c7ed19 in QWaitCondition::wait (this=0x2ea5290, mutex=0x2ea5288, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f3bd6b0881c in QHostInfoAgent::run (this=0x2ea5270) at kernel/qhostinfo.cpp:260
#3  0x00007f3bd7c7dd35 in QThreadPrivate::start (arg=0x2ea5270) at thread/qthread_unix.cpp:188
#4  0x00007f3bd3b773ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f3bd475bfcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3bd8245750 (LWP 11178)):
[KCrash Handler]
#5  0x00007f3bd7d7db45 in QMetaObject::activate (sender=0x6c1fa70, m=<value optimized out>, local_signal_index=0, argv=0x7fff6e72c0d0) at kernel/qobject.cpp:3183
#6  0x00007f3bd6abb28e in QHttp::stateChanged (this=0x7f3bd6d9cba0, _t1=6) at .moc/release-shared/moc_qhttp.cpp:140
#7  0x00007f3bd6abb5f4 in QHttpPrivate::closeConn (this=0x7f3bd6d9cba0) at access/qhttp.cpp:3048
#8  0x00007f3bd6ac489d in QHttpPrivate::_q_slotError (this=0x471ce40, err=QAbstractSocket::SocketResourceError) at access/qhttp.cpp:2656
#9  0x00007f3bd6ac5dd5 in QHttp::qt_metacall (this=0x4678da0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6e72c560) at .moc/release-shared/moc_qhttp.cpp:123
#10 0x00007f3bd7d7cea2 in QMetaObject::activate (sender=0x24320e0, from_signal_index=<value optimized out>, to_signal_index=12, argv=0x4) at kernel/qobject.cpp:3113
#11 0x00007f3bd6b220c1 in QAbstractSocket::error (this=0x7f3bd6d9cba0, _t1=QAbstractSocket::HostNotFoundError) at .moc/release-shared/moc_qabstractsocket.cpp:148
#12 0x00007f3bd6b3cb64 in QSslSocketPrivate::_q_errorSlot (this=0x5e4d730, error=QAbstractSocket::HostNotFoundError) at ssl/qsslsocket.cpp:1991
#13 0x00007f3bd6b3fcd0 in QSslSocket::qt_metacall (this=0x24320e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff6e72c6e0) at .moc/release-shared/moc_qsslsocket.cpp:113
#14 0x00007f3bd7d7cea2 in QMetaObject::activate (sender=0x6c17130, from_signal_index=<value optimized out>, to_signal_index=12, argv=0x4) at kernel/qobject.cpp:3113
#15 0x00007f3bd6b220c1 in QAbstractSocket::error (this=0x7f3bd6d9cba0, _t1=QAbstractSocket::HostNotFoundError) at .moc/release-shared/moc_qabstractsocket.cpp:148
#16 0x00007f3bd6b25000 in QAbstractSocketPrivate::_q_startConnecting (this=0x5bfc6c0, hostInfo=<value optimized out>) at socket/qabstractsocket.cpp:872
#17 0x00007f3bd6b28d7e in QAbstractSocket::qt_metacall (this=0x6c17130, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7f3ba4000d70)
    at .moc/release-shared/moc_qabstractsocket.cpp:109
#18 0x00007f3bd7d775d8 in QObject::event (this=0x6c17130, e=0x7f3ba4018c60) at kernel/qobject.cpp:1111
#19 0x00007f3bd5332f4d in QApplicationPrivate::notify_helper (this=0x2102970, receiver=0x6c17130, e=0x7f3ba4018c60) at kernel/qapplication.cpp:4056
#20 0x00007f3bd533b18a in QApplication::notify (this=0x20c3b20, receiver=0x6c17130, e=0x7f3ba4018c60) at kernel/qapplication.cpp:4021
#21 0x00007f3bd644571b in KApplication::notify () from /usr/lib/libkdeui.so.5
#22 0x00007f3bd7d676ac in QCoreApplication::notifyInternal (this=0x20c3b20, receiver=0x6c17130, event=0x7f3ba4018c60) at kernel/qcoreapplication.cpp:610
#23 0x00007f3bd7d6831a in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2076320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#24 0x00007f3bd7d90e03 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#25 0x00007f3bd3dc620a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#26 0x00007f3bd3dc98e0 in ?? () from /usr/lib/libglib-2.0.so.0
#27 0x00007f3bd3dc9a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#28 0x00007f3bd7d90a8f in QEventDispatcherGlib::processEvents (this=0x21024a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#29 0x00007f3bd53cbbdf in QGuiEventDispatcherGlib::processEvents (this=0x7f3bd6d9cba0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x00007f3bd7d65f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1853018208}) at kernel/qeventloop.cpp:149
#31 0x00007f3bd7d66314 in QEventLoop::exec (this=0x7fff6e72d0a0, flags={i = 1853018288}) at kernel/qeventloop.cpp:201
#32 0x00007f3bd7d685e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#33 0x00007f3bcbb7f1eb in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#34 0x0000000000407215 in _start ()

Reported using DrKonqi