Application: kopete (1.0.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-20-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
Kompete just crashed while the screen saver was running , no special load 
other running applications Spicebird, Rkward, Virtualbox

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Kopete (kopete), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc47ccde780 (LWP 401))]

Thread 3 (Thread 0x7fc464a06710 (LWP 405)):
#0  0x00007fc479186f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc47477c4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fc47477c8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fc47a7ea566 in QEventDispatcherGlib::processEvents (this=0x13f7fe0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fc47a7bf992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fc47a7bfd6c in QEventLoop::exec (this=0x13b4890, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fc4656e1613 in QCA::SyncThread::run() () from /usr/lib/libqca.so.2
#7  0x00007fc47a6cc775 in QThreadPrivate::start (arg=0x13b4b70) at thread/qthread_unix.cpp:248
#8  0x00007fc478c3d9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007fc4791936dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc464205710 (LWP 406)):
#0  0x00007fc479186f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=416) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc47477c4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fc47477c8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fc47a7ea566 in QEventDispatcherGlib::processEvents (this=0x14eb9e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fc47a7bf992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fc47a7bfd6c in QEventLoop::exec (this=0x1350e40, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fc465b2d9a2 in XMPP::SyncThread::run (this=0x14f7240) at ../../../../../kopete/protocols/jabber/libiris/iris/irisnet/corelib/netinterface.cpp:151
#7  0x00007fc47a6cc775 in QThreadPrivate::start (arg=0x14f7240) at thread/qthread_unix.cpp:248
#8  0x00007fc478c3d9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007fc4791936dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc47ccde780 (LWP 401)):
[KCrash Handler]
#5  0x00007fc47a7d40a3 in QObjectPrivate::isSignalConnected (sender=0x13a54d0, m=<value optimized out>, local_signal_index=1, argv=0x7fffbd2674c0) at kernel/qobject_p.h:227
#6  QMetaObject::activate (sender=0x13a54d0, m=<value optimized out>, local_signal_index=1, argv=0x7fffbd2674c0) at kernel/qobject.cpp:3218
#7  0x00007fc47c4252b1 in Kopete::SocketTimeoutWatcher::errorInt (this=0x3, _t1=1) at ./kopetesockettimeoutwatcher.moc:102
#8  0x00007fc47c425eb5 in Kopete::SocketTimeoutWatcher::ackTimeoutCheck (this=0x13a54d0) at ../../../kopete/libkopete/kopetesockettimeoutwatcher.cpp:99
#9  0x00007fc47c426306 in Kopete::SocketTimeoutWatcher::qt_metacall (this=0x13a54d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbd267700)
    at ./kopetesockettimeoutwatcher.moc:83
#10 0x00007fc47a7d3e3f in QMetaObject::activate (sender=0x143c040, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#11 0x00007fc47a7d0a63 in QObject::event (this=0x143c040, e=0x7fffbd267e50) at kernel/qobject.cpp:1212
#12 0x00007fc47990122c in QApplicationPrivate::notify_helper (this=0xe617a0, receiver=0x143c040, e=0x7fffbd267e50) at kernel/qapplication.cpp:4300
#13 0x00007fc4799076fb in QApplication::notify (this=0x7fffbd2681a0, receiver=0x143c040, e=0x7fffbd267e50) at kernel/qapplication.cpp:4183
#14 0x00007fc47b1a9526 in KApplication::notify (this=0x7fffbd2681a0, receiver=0x143c040, event=0x7fffbd267e50) at ../../kdeui/kernel/kapplication.cpp:302
#15 0x00007fc47a7c106c in QCoreApplication::notifyInternal (this=0x7fffbd2681a0, receiver=0x143c040, event=0x7fffbd267e50) at kernel/qcoreapplication.cpp:704
#16 0x00007fc47a7edd42 in QCoreApplication::sendEvent (this=0xe64e30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QTimerInfoList::activateTimers (this=0xe64e30) at kernel/qeventdispatcher_unix.cpp:603
#18 0x00007fc47a7ea848 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#19 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#20 0x00007fc4747788c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007fc47477c748 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007fc47477c8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007fc47a7ea513 in QEventDispatcherGlib::processEvents (this=0xe219a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#24 0x00007fc4799b146e in QGuiEventDispatcherGlib::processEvents (this=0x3, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007fc47a7bf992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007fc47a7bfd6c in QEventLoop::exec (this=0x7fffbd2680f0, flags=) at kernel/qeventloop.cpp:201
#27 0x00007fc47a7c3aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#28 0x0000000000415652 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kopete/kopete/main.cpp:105

Reported using DrKonqi