Application that crashed: kbluetooth
Version of the application: 0.4
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
After upgrading, Bluetooth crashed after restart

 -- Backtrace:
Application: KBluetooth (kbluetooth), signal: Segmentation fault
[KCrash Handler]
#5  QDBusAbstractInterface::d_func (this=0x0, mode=QDBus::AutoDetect, method=..., args=...) at qdbusabstractinterface.h:138
#6  QDBusAbstractInterface::callWithArgumentList (this=0x0, mode=QDBus::AutoDetect, method=..., args=...) at qdbusabstractinterface.cpp:368
#7  0x00007f69d68777b3 in QDBusAbstractInterface::call (this=<value optimized out>, mode=<value optimized out>, method=<value optimized out>, arg1=<value optimized out>, arg2=..., arg3=..., 
    arg4=..., arg5=..., arg6=..., arg7=..., arg8=...) at qdbusabstractinterface.cpp:655
#8  0x00007f69d6877991 in QDBusAbstractInterface::call (this=0x0, method=<value optimized out>, arg1=<value optimized out>, arg2=<value optimized out>, arg3=<value optimized out>, arg4=..., 
    arg5=..., arg6=..., arg7=..., arg8=...) at qdbusabstractinterface.cpp:598
#9  0x000000000042670d in _start ()

Reported using DrKonqi