Version:           0.12.4 (using KDE 3.5.6, Gentoo)
Compiler:          Target: x86_64-pc-linux-gnu
OS:                Linux (x86_64) release 2.6.20-gentoo-r5

When I start the "Add Account Wizard", choose "Jabber" and click "Next", Kopete crashes.

Backtrace:

(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)

... repeating about 40 times ...

(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 47600970325792 (LWP 5098)]
[KCrash handler]
#5  0x00002b4af6cca5e6 in raise () from /lib/libc.so.6
#6  0x00002b4af6ccb6e0 in abort () from /lib/libc.so.6
#7  0x00002b4af6cc429a in __assert_fail () from /lib/libc.so.6
#8  0x00002b4af6120398 in __pthread_tpp_change_priority ()
   from /lib/libpthread.so.0
#9  0x00002b4af611a15a in pthread_mutex_lock () from /lib/libpthread.so.0
#10 0x00002aaaab1b6343 in cricket::ThreadManager::Add ()
   from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#11 0x00002aaaab1b63b6 in cricket::Thread::Thread ()
   from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#12 0x00002aaaab1b642b in cricket::ThreadManager::ThreadManager ()
   from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#13 0x00002aaaab1b6462 in ?? () from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#14 0x00002aaaab1d1f9f in ?? () from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#15 0x00000000014808b0 in ?? ()
#16 0x0000000001480550 in ?? ()
#17 0x0000000001480550 in ?? ()
#18 0x00002aaaab06c6ab in _init ()
   from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#19 0x00002aaaaaff9bec in ?? () from /usr/kde/3.5/lib64/kde3/kopete_jabber.so
#20 0x00002b4af1229941 in call_init () from /lib64/ld-linux-x86-64.so.2
#21 0x00002b4af1229a48 in _dl_init_internal ()
   from /lib64/ld-linux-x86-64.so.2
#22 0x00002b4af122d498 in dl_open_worker () from /lib64/ld-linux-x86-64.so.2
#23 0x00002b4af122961c in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#24 0x00002b4af122cd8d in _dl_open () from /lib64/ld-linux-x86-64.so.2
#25 0x00002b4af67401c1 in ?? () from /lib/libdl.so.2
#26 0x00002b4af122961c in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#27 0x00002b4af67404fa in ?? () from /lib/libdl.so.2
#28 0x00002b4af6740141 in dlopen () from /lib/libdl.so.2
#29 0x00002b4af386a9d9 in ?? () from /usr/kde/3.5/lib64/libkdecore.so.4
#30 0x00002b4af3869613 in ?? () from /usr/kde/3.5/lib64/libkdecore.so.4
#31 0x00002b4af386a432 in lt_dlopen () from /usr/kde/3.5/lib64/libkdecore.so.4
#32 0x00002b4af37d5eed in KLibLoader::library ()
   from /usr/kde/3.5/lib64/libkdecore.so.4
#33 0x00002b4af153066e in Kopete::PluginManager::loadPluginInternal ()
   from /usr/kde/3.5/lib64/libkopete.so.1
#34 0x00002b4af1530e25 in Kopete::PluginManager::loadPlugin ()
   from /usr/kde/3.5/lib64/libkopete.so.1
#35 0x00000000004429b9 in ?? ()
#36 0x00002b4af49100a5 in QWizard::qt_invoke ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#37 0x00002b4af3138ba3 in KWizard::qt_invoke ()
   from /usr/kde/3.5/lib64/libkdeui.so.4
#38 0x0000000000442574 in ?? ()
#39 0x00002b4af44e6be0 in QObject::activate_signal ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#40 0x00002b4af44e7b17 in QObject::activate_signal ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#41 0x00002b4af48e3d45 in QButton::clicked ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#42 0x00002b4af459bde5 in QButton::mouseReleaseEvent ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#43 0x00002b4af45266fa in QWidget::event () from /usr/qt/3/lib64/libqt-mt.so.3
#44 0x00002b4af4473d7a in QApplication::internalNotify ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#45 0x00002b4af447609e in QApplication::notify ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#46 0x00002b4af3744ff0 in KApplication::notify ()
   from /usr/kde/3.5/lib64/libkdecore.so.4
#47 0x00002b4af43fa770 in QApplication::sendSpontaneousEvent ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#48 0x00002b4af43f937a in QETWidget::translateMouseEvent ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#49 0x00002b4af43f7406 in QApplication::x11ProcessEvent ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#50 0x00002b4af4410023 in QEventLoop::processEvents ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#51 0x00002b4af44918ca in QEventLoop::enterLoop ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#52 0x00002b4af44916d3 in QEventLoop::exec ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#53 0x00002b4af44759ce in QApplication::exec ()
   from /usr/qt/3/lib64/libqt-mt.so.3
#54 0x000000000042fa25 in ?? ()
#55 0x00002b4af6cb8323 in __libc_start_main () from /lib/libc.so.6
#56 0x000000000042f499 in ?? ()
#57 0x00007fffb988bdc8 in ?? ()
#58 0x0000000000000000 in ?? ()

On my Athlon, everything worked fine. Now with my new Core2Duo and x86_64 compiled Gentoo system, it crashes. I have the same problem on another machine with Gentoo x86_64.

I hope, my description helps to reproduce this.