Application that crashed: kopete
Version of the application: 0.80.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-1-amd64 x86_64
Distribution: Debian GNU/Linux 5.0.3 (lenny)

What I was doing when the application crashed:
Very often, when a msn message is received, kopete crashes.

 -- Backtrace:
Application: Kopete (kopete), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f78a0615750 (LWP 21506))]

Thread 4 (Thread 0x7f788b711910 (LWP 21508)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f789defb499 in QWaitConditionPrivate::wait (this=0xdf8d70, mutex=0xdf8d68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0xdf8d70, mutex=0xdf8d68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f789b2843b4 in QHostInfoAgent::run (this=0xdf8d50) at kernel/qhostinfo.cpp:260
#4  0x00007f789defa4a5 in QThreadPrivate::start (arg=0xdf8d50) at thread/qthread_unix.cpp:188
#5  0x00007f789892373a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f789cce869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f788a8ba910 (LWP 21509)):
#0  0x00007f78989271ee in __pthread_mutex_unlock_usercnt (mutex=0xd2f8c8, decr=<value optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f7898b772e0 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007f7898b77679 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f7898b77b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f789e0083b6 in QEventDispatcherGlib::processEvents (this=0xd2f7e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:409
#5  0x00007f789dfde562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f789dfde934 in QEventLoop::exec (this=0xd2e9d0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f788f8cf14b in QCA::SyncThread::run() () from /usr/lib/libqca.so.2
#8  0x00007f789defa4a5 in QThreadPrivate::start (arg=0xd2f160) at thread/qthread_unix.cpp:188
#9  0x00007f789892373a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f789cce869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 2 (Thread 0x7f788a0b9910 (LWP 21510)):
#0  0xffffffffff600132 in ?? ()
#1  0x00007fffd47ff6fb in ?? ()
#2  0x00007f7898e01e6f in *__GI_clock_gettime (clock_id=-1978954272, tp=0x7f788a0b8de0) at ../sysdeps/unix/clock_gettime.c:100
#3  0x00007f789e00a0fd in QTimerInfoList::getTime (this=<value optimized out>, t=...) at kernel/qeventdispatcher_unix.cpp:339
#4  0x00007f789e00a2e1 in QTimerInfoList::updateCurrentTime (this=0x7f788a0b8de0) at kernel/qeventdispatcher_unix.cpp:297
#5  0x00007f789e00a485 in QTimerInfoList::timerWait (this=0x7f788a0b8de0, tm=...) at kernel/qeventdispatcher_unix.cpp:420
#6  0x00007f789e00856c in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f788a0b8ec4) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f7898b772e9 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x00007f7898b77679 in ?? () from /lib/libglib-2.0.so.0
#9  0x00007f7898b77b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x00007f789e0083b6 in QEventDispatcherGlib::processEvents (this=0xeca2a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:409
#11 0x00007f789dfde562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007f789dfde934 in QEventLoop::exec (this=0x7f78840016b0, flags=...) at kernel/qeventloop.cpp:201
#13 0x00007f788fd1ebb3 in XMPP::SyncThread::run (this=0xfbcfd0) at ../../../../../kopete/protocols/jabber/libiris/iris/irisnet/corelib/netinterface.cpp:151
#14 0x00007f789defa4a5 in QThreadPrivate::start (arg=0xfbcfd0) at thread/qthread_unix.cpp:188
#15 0x00007f789892373a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#16 0x00007f789cce869d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()
The current source language is "auto; currently c".

Thread 1 (Thread 0x7f78a0615750 (LWP 21506)):
[KCrash Handler]
#5  malloc_consolidate (av=0x7f789cf6ce60) at malloc.c:5109
#6  0x00007f789cc90494 in _int_malloc (av=0x7f789cf6ce60, bytes=8192) at malloc.c:4360
#7  0x00007f789cc92aa0 in *__GI___libc_malloc (bytes=8192) at malloc.c:3660
#8  0x00007f789d0382ed in operator new(unsigned long) () from /usr/lib/libstdc++.so.6
#9  0x00007f789d038409 in operator new[](unsigned long) () from /usr/lib/libstdc++.so.6
#10 0x00007f789e739cab in KZoneAllocator::initHash (this=0x7f789efebf80) at ../../kdecore/util/kallocator.cpp:169
#11 0x00007f789e73a1c8 in KZoneAllocator::deallocate (this=0x7f789efebf80, ptr=0x110a700) at ../../kdecore/util/kallocator.cpp:242
#12 0x00007f789ec54948 in KCompTreeNode::operator delete (this=0x110a190, str=<value optimized out>) at ../../kdeui/util/kcompletion_p.h:97
#13 KCompTreeNode::remove (this=0x110a190, str=<value optimized out>) at ../../kdeui/util/kcompletion.cpp:805
#14 0x00007f789ec54a7e in KCompletion::removeItem (this=0x10dda30, item=...) at ../../kdeui/util/kcompletion.cpp:211
#15 0x00007f7890d94cde in ChatTextEditPart::slotContactRemoved (this=0xd1dc00, contact=0xaa5450) at ../../../../kopete/kopete/chatwindow/chattexteditpart.cpp:223
#16 0x00007f7890d97940 in ChatTextEditPart::qt_metacall (this=0xd1dc00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd467d7f0) at ./chattexteditpart.moc:117
#17 0x00007f789dff4df2 in QMetaObject::activate (sender=0x10cf540, from_signal_index=<value optimized out>, to_signal_index=15, argv=0x41) at kernel/qobject.cpp:3112
#18 0x00007f789fdf4d03 in Kopete::ChatSession::contactRemoved (this=0x7f789cf6ce60, _t1=0xaa5450, _t2=<value optimized out>, _t3=Qt::PlainText, _t4=false) at ./kopetechatsession.moc:271
#19 0x00007f789fdf7632 in Kopete::ChatSession::removeContact (this=0x10cf540, c=0xaa5450, reason=..., format=Qt::PlainText, suppressNotification=false)
    at ../../../kopete/libkopete/kopetechatsession.cpp:409
#20 0x00007f788f410eef in WlmChatManager::leftConversation (this=0xb55b804, conn=<value optimized out>, passport=...) at ../../../../kopete/protocols/wlm/wlmchatmanager.cpp:218
#21 0x00007f788f414083 in WlmChatManager::qt_metacall (this=0xd231c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd467db90) at ./wlmchatmanager.moc:116
#22 0x00007f789dff4df2 in QMetaObject::activate (sender=0xaed988, from_signal_index=<value optimized out>, to_signal_index=6, argv=0x41) at kernel/qobject.cpp:3112
#23 0x00007f788f408767 in Callbacks::leftConversation (this=0x7f789cf6ce60, _t1=0x1435460, _t2=<value optimized out>) at ./wlmlibmsn.moc:258
#24 0x00007f788f409c14 in Callbacks::buddyLeftConversation (this=0xaed988, conn=0x1435460, username=<value optimized out>) at ../../../../kopete/protocols/wlm/wlmlibmsn.cpp:453
#25 0x00007f788f13c168 in MSN::SwitchboardServerConnection::handle_BYE (this=0x1435460, args=...) at /tmp/buildd/libmsn-4.0~beta6/msn/switchboardserver.cpp:273
#26 0x00007f788f13d4d0 in MSN::SwitchboardServerConnection::dispatchCommand (this=0x1435460, args=...) at /tmp/buildd/libmsn-4.0~beta6/msn/switchboardserver.cpp:237
#27 0x00007f788f13ca97 in MSN::SwitchboardServerConnection::handleIncomingData (this=0x1435460) at /tmp/buildd/libmsn-4.0~beta6/msn/switchboardserver.cpp:647
#28 0x00007f788f1382a0 in MSN::Connection::dataArrivedOnSocket (this=0x1435460) at /tmp/buildd/libmsn-4.0~beta6/msn/connection.cpp:225
#29 0x00007f788f40bff0 in WlmSocket::qt_metacall (this=0x162b940, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>) at ./wlmsocket.moc:73
#30 0x00007f789dff4df2 in QMetaObject::activate (sender=0x162b940, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x41) at kernel/qobject.cpp:3112
#31 0x00007f789b2bb2a2 in QSslSocket::qt_metacall (this=0x162b940, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd4680080) at .moc/release-shared/moc_qsslsocket.cpp:114
#32 0x00007f788f40bf4e in WlmSocket::qt_metacall (this=0x7f789cf6ce60, _c=8192, _id=21190176, _a=0x41) at ./wlmsocket.moc:68
#33 0x00007f789dff4df2 in QMetaObject::activate (sender=0x1625650, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x41) at kernel/qobject.cpp:3112
#34 0x00007f789b2a155f in QAbstractSocketPrivate::canReadNotification (this=0x14359b0) at socket/qabstractsocket.cpp:604
#35 0x00007f789b2906b1 in QReadNotifier::event (this=<value optimized out>, e=0x2000) at socket/qnativesocketengine.cpp:1036
#36 0x00007f789d45901d in QApplicationPrivate::notify_helper (this=0x7d6300, receiver=0x1635600, e=0x7fffd4680550) at kernel/qapplication.cpp:4065
#37 0x00007f789d46107a in QApplication::notify (this=0x7fffd4680840, receiver=0x1635600, e=0x7fffd4680550) at kernel/qapplication.cpp:4030
#38 0x00007f789ebf40db in KApplication::notify (this=0x7fffd4680840, receiver=0x1635600, event=0x7fffd4680550) at ../../kdeui/kernel/kapplication.cpp:302
#39 0x00007f789dfdfc9c in QCoreApplication::notifyInternal (this=0x7fffd4680840, receiver=0x1635600, event=0x7fffd4680550) at kernel/qcoreapplication.cpp:610
#40 0x00007f789e0086d9 in QCoreApplication::sendEvent (source=0x7e09f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#41 socketNotifierSourceDispatch (source=0x7e09f0) at kernel/qeventdispatcher_glib.cpp:110
#42 0x00007f7898b7412a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00007f7898b77988 in ?? () from /lib/libglib-2.0.so.0
#44 0x00007f7898b77b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00007f789e00839c in QEventDispatcherGlib::processEvents (this=0x7a7de0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#46 0x00007f789d4eff1f in QGuiEventDispatcherGlib::processEvents (this=0x7f789cf6ce60, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#47 0x00007f789dfde562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007f789dfde934 in QEventLoop::exec (this=0x7fffd46807b0, flags=...) at kernel/qeventloop.cpp:201
#49 0x00007f789dfe0ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0x0000000000415758 in main (argc=1, argv=0x7fffd4681688) at ../../../kopete/kopete/main.cpp:104

Reported using DrKonqi