Application that crashed: kopete
Version of the application: 0.70.90
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH x86_64

What I was doing when the application crashed:
Sorry for poor report. Maybe it can help you ... or not.
Kopete crashed for no apparently reason when I don't using kopete.

 -- Backtrace:
Application: Kopete (kopete), signal: Aborted
[Current thread is 0 (LWP 3056)]

Thread 4 (Thread 0x7f6ae5ec7910 (LWP 3089)):
#0  0x00007f6af7178993 in poll () from /lib/libc.so.6
#1  0x00007f6af2c0834c in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#2  0x00007f6af2c08690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f6af843420e in QEventDispatcherGlib::processEvents (this=0x148e8b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:329
#4  0x00007f6af840a5f2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f6af840a9c4 in QEventLoop::exec (this=0x14873a0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f6ae65c0473 in QCA::SyncThread::run () from /usr/lib/libqca.so.2
#7  0x00007f6af8326285 in QThreadPrivate::start (arg=0x148e1b0) at thread/qthread_unix.cpp:188
#8  0x00007f6af6c5157a in start_thread () from /lib/libpthread.so.0
#9  0x00007f6af718114d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6ae56c6910 (LWP 3090)):
#0  0x00007f6af718de5e in __lll_lock_wait_private () from /lib/libc.so.6
#1  0x00007f6af712d22d in _L_lock_6481 () from /lib/libc.so.6
#2  0x00007f6af712b6f1 in free () from /lib/libc.so.6
#3  0x00007f6ae6a12496 in QList<XMPP::NetInterfaceProvider::Info>::free () from /usr/lib/kde4/kopete_jabber.so
#4  0x00007f6ae6a47e51 in XMPP::UnixNet::poll () from /usr/lib/kde4/kopete_jabber.so
#5  0x00007f6ae6a46520 in XMPP::UnixNet::qt_metacall () from /usr/lib/kde4/kopete_jabber.so
#6  0x00007f6af8420dec in QMetaObject::activate (sender=0x15ecfd8, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#7  0x00007f6af841ad93 in QObject::event (this=0x15ecfd8, e=0x80) at kernel/qobject.cpp:1074
#8  0x00007f6af78b766c in QApplicationPrivate::notify_helper (this=0x108d180, receiver=0x15ecfd8, e=0x7f6ae56c5de0) at kernel/qapplication.cpp:4056
#9  0x00007f6af78be93e in QApplication::notify (this=0x7fff56b21450, receiver=0x15ecfd8, e=0x7f6ae56c5de0) at kernel/qapplication.cpp:4021
#10 0x00007f6af901b8f6 in KApplication::notify () from /usr/lib/libkdeui.so.5
#11 0x00007f6af840bcec in QCoreApplication::notifyInternal (this=0x7fff56b21450, receiver=0x15ecfd8, event=0x7f6ae56c5de0) at kernel/qcoreapplication.cpp:610
#12 0x00007f6af8437302 in QTimerInfoList::activateTimers (this=0x15ecd60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#13 0x00007f6af843426d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#14 0x00007f6af2c04dbe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#15 0x00007f6af2c08568 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#16 0x00007f6af2c08690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#17 0x00007f6af843420e in QEventDispatcherGlib::processEvents (this=0x16b3700, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:329
#18 0x00007f6af840a5f2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#19 0x00007f6af840a9c4 in QEventLoop::exec (this=0x16bbac0, flags=) at kernel/qeventloop.cpp:201
#20 0x00007f6ae6a123e2 in XMPP::SyncThread::run () from /usr/lib/kde4/kopete_jabber.so
#21 0x00007f6af8326285 in QThreadPrivate::start (arg=0x15ec1c0) at thread/qthread_unix.cpp:188
#22 0x00007f6af6c5157a in start_thread () from /lib/libpthread.so.0
#23 0x00007f6af718114d in clone () from /lib/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6ae4ec5910 (LWP 3092)):
#0  0x00007f6af6c55dd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f6af832734b in QWaitCondition::wait (this=<value optimized out>, mutex=0x181aa38, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f6af552e3fc in QHostInfoAgent::run (this=0x181aa20) at kernel/qhostinfo.cpp:260
#3  0x00007f6af8326285 in QThreadPrivate::start (arg=0x181aa20) at thread/qthread_unix.cpp:188
#4  0x00007f6af6c5157a in start_thread () from /lib/libpthread.so.0
#5  0x00007f6af718114d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6afab2d750 (LWP 3056)):
[KCrash Handler]
#5  0x00007f6af70e7f15 in raise () from /lib/libc.so.6
#6  0x00007f6af70e9340 in abort () from /lib/libc.so.6
#7  0x00007f6af712192d in __libc_message () from /lib/libc.so.6
#8  0x00007f6af7126db6 in malloc_printerr () from /lib/libc.so.6
#9  0x00007f6af712b6fc in free () from /lib/libc.so.6
#10 0x00007f6ae6ce4d10 in MSN::Connection::dataArrivedOnSocket () from /usr/lib/libmsn.so.0.1
#11 0x00007f6ae6faecd4 in WlmSocket::qt_metacall () from /usr/lib/kde4/kopete_wlm.so
#12 0x00007f6af8420dec in QMetaObject::activate (sender=0x1586400, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#13 0x00007f6af5564cad in QSslSocket::qt_metacall (this=0x1586400, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff56b20d00) at .moc/release-shared/moc_qsslsocket.cpp:114
#14 0x00007f6ae6faec18 in WlmSocket::qt_metacall () from /usr/lib/kde4/kopete_wlm.so
#15 0x00007f6af8420dec in QMetaObject::activate (sender=0x148e590, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#16 0x00007f6af554b9df in QAbstractSocketPrivate::canReadNotification (this=0x1255cc0) at socket/qabstractsocket.cpp:604
#17 0x00007f6af553ac31 in QReadNotifier::event (this=<value optimized out>, e=0xbf0) at socket/qnativesocketengine.cpp:1036
#18 0x00007f6af78b766c in QApplicationPrivate::notify_helper (this=0x108d180, receiver=0x12c6870, e=0x7fff56b21140) at kernel/qapplication.cpp:4056
#19 0x00007f6af78be93e in QApplication::notify (this=0x7fff56b21450, receiver=0x12c6870, e=0x7fff56b21140) at kernel/qapplication.cpp:4021
#20 0x00007f6af901b8f6 in KApplication::notify () from /usr/lib/libkdeui.so.5
#21 0x00007f6af840bcec in QCoreApplication::notifyInternal (this=0x7fff56b21450, receiver=0x12c6870, event=0x7fff56b21140) at kernel/qcoreapplication.cpp:610
#22 0x00007f6af843443a in socketNotifierSourceDispatch (source=0x10a47f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 0x00007f6af2c04dbe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x00007f6af2c08568 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#25 0x00007f6af2c08690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0x00007f6af84341b6 in QEventDispatcherGlib::processEvents (this=0x103cdb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#27 0x00007f6af794a61e in QGuiEventDispatcherGlib::processEvents (this=0xbf0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#28 0x00007f6af840a5f2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#29 0x00007f6af840a9c4 in QEventLoop::exec (this=0x7fff56b213a0, flags=) at kernel/qeventloop.cpp:201
#30 0x00007f6af840cb79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#31 0x00000000004154f6 in _start ()

Reported using DrKonqi