Hi Paul, tkank you, you are very helpful.
I did like you describe here for building hci_usb.ko in /lib/modules/2.6.10-1.766_FC3/kernel/drivers/bluetooth
But i noticed that the one used before has a size of 19.4KB and the one I build by myself has 133.9KB size. why is it so biger than the original one?
The one supplied in the kernel RPM has the debugging symbols stripped out. You can do this using:
$ strip -g hci_usb.ko
Paul.