Version:           0.12.1 (using KDE KDE 3.5.4)
Installed from:    SuSE RPMs
OS:                Linux

1. Right click on the Jabber icon of the main window
2. Select "Join Groupchat"
3. Room: "somewhat"
   Server: "conference.swissjabber.ch"
   Nich: me

The result is a crash:

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1239558480 (LWP 8182)]
[KCrash handler]
#6  0xb6303230 in main_arena () from /lib/libc.so.6
#7  0xb6915c01 in QObject::connect () from /usr/lib/qt3/lib/libqt-mt.so.3
#8  0xb59ad018 in JabberGroupContact::addSubContact ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#9  0xb597eacf in JabberAccount::slotGroupChatPresence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#10 0xb5987919 in JabberAccount::qt_invoke ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#11 0xb6912edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#12 0xb5aa3bd0 in JabberClient::groupChatPresence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#13 0xb5aa3c3b in JabberClient::slotGroupChatPresence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#14 0xb5aa643d in JabberClient::qt_invoke ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#15 0xb6912edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#16 0xb5a02680 in XMPP::Client::groupChatPresence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#17 0xb5a4c46c in XMPP::Client::ppPresence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#18 0xb5a01f8e in XMPP::Client::qt_invoke ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#19 0xb6912edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#20 0xb5a85abe in XMPP::JT_PushPresence::presence ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#21 0xb5a6857e in XMPP::JT_PushPresence::take ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#22 0xb5a48c31 in XMPP::Task::take () from /opt/kde3/lib/kde3/kopete_jabber.so
#23 0xb5a4d1bd in XMPP::Client::distribute ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#24 0xb5a4db0a in XMPP::Client::streamReadyRead ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#25 0xb5a01f07 in XMPP::Client::qt_invoke ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#26 0xb6912edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#27 0xb6913b3d in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#28 0xb5a0061c in XMPP::Stream::readyRead ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#29 0xb5a36f3d in XMPP::ClientStream::doReadyRead ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#30 0xb5a00d75 in XMPP::ClientStream::qt_invoke ()
   from /opt/kde3/lib/kde3/kopete_jabber.so
#31 0xb6912edd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0xb6c4ba9e in QSignal::signal () from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0xb692ef87 in QSignal::activate () from /usr/lib/qt3/lib/libqt-mt.so.3
#34 0xb6936343 in QSingleShotTimer::event ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#35 0xb68b3ec7 in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#36 0xb68b4c91 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#37 0xb6fe1b73 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#38 0xb68a9055 in QEventLoop::activateTimers ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#39 0xb68638a0 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#40 0xb68cace8 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#41 0xb68cab7e in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#42 0xb68b3a7f in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#43 0x0806e07b in main ()