I installed kdebluetooth and openobex-apps and every thing work in the console : after starting bluetooth, dbus and th hci interface (hciconfig hci0 up), I can use hcitool to scan or inq and it find all my BT peripherals (4 differents GSM and a Palm in a test).
The problem is in kbluetooth : it start but stay gray saying "No Bluetooth Adapter".
Seems to me that the program is searching the adapter in the wonrg place, but after a lot of Google search, I didn't find the key of this problem.
The key is a Trust BT-2210Tp (Class 2) and the netbook is an Asus EeePC 901
Thank you very much for your help