Version:           unknown (using KDE 3.5.8-7.fc8 Fedora, Fedora release 8 (Werewolf))
Compiler:          Target: x86_64-redhat-linux
OS:                Linux (x86_64) release 2.6.23.1-42.fc8

Using host libthread_db library "/lib64/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 46912496361408 (LWP 4473)]
[KCrash handler]
#5  0x0000003ac0830ec5 in raise () from /lib64/libc.so.6
#6  0x0000003ac0832970 in abort () from /lib64/libc.so.6
#7  0x0000003acda27495 in QWidget::setUpdatesEnabled ()
   from /lib64/libdbus-1.so.3
#8  0x0000003acda2389a in QWidget::setUpdatesEnabled ()
   from /lib64/libdbus-1.so.3
#9  0x0000003acda19327 in dbus_message_new_method_call ()
   from /lib64/libdbus-1.so.3
#10 0x0000003d4d829bde in KBluetooth::DBusSignal::getBoolean (this=0x6e5130, 
    method=@0x7fff49b24270, first_type=0) at dbussignal.cpp:468
#11 0x0000003d4d829c9d in KBluetooth::DBusSignal::getBoolean (this=0x1179, 
    method=@0x1179) at dbussignal.cpp:455
#12 0x0000003d4d833f14 in KBluetooth::Adapter::isPeriodicDiscovery (
    this=0x6e5130) at adapter.cpp:424
#13 0x0000000000406bf3 in KBlueLock::cancelSlot (this=0x7fff49b24d90)
    at kbluelock.cpp:175
#14 0x000000000040902b in KBlueLock::qt_invoke (this=0x7fff49b24d90, _id=53, 
    _o=0x7fff49b24340) at kbluelock.moc:133
#15 0x0000003446563a59 in QObject::activate_signal ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#16 0x0000003446564730 in QObject::activate_signal ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#17 0x000000344659aa79 in QWidget::event ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#18 0x00000034465029a5 in QApplication::internalNotify ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#19 0x0000003446503e50 in QApplication::notify ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#20 0x00000034477c3678 in KApplication::notify (this=0x7fff49b24fd0, 
    receiver=0x6d86d0, event=0x7fff49b24740) at kapplication.cpp:550
#21 0x00000034464a1b5a in QETWidget::translateMouseEvent ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#22 0x00000034464a0f49 in QApplication::x11ProcessEvent ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#23 0x00000034464b0ea4 in QEventLoop::processEvents ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#24 0x000000344651a151 in QEventLoop::enterLoop ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#25 0x000000344651a032 in QEventLoop::exec ()
   from /usr/lib64/qt-3.3/lib/libqt-mt.so.3
#26 0x00000000004097f2 in main (argc=3, argv=<value optimized out>)
    at main.cpp:71
#27 0x0000003ac081e074 in __libc_start_main () from /lib64/libc.so.6
#28 0x00000000004066c9 in _start ()


I also saw configuration dialog with empty list of phones, started wondering that where my configs had disappeared and then it crashed. at that point system was under heavy load when recovering tens of applications for session.