After installing Jaunty (fresh install) everything works flawlessly.
USB bluetooth adapter: Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
OS Ubuntu 9.04 64-bit (2.6.28-11-generic) Motherboard Asus P5KPL (Intel chipset with Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GH)
After installing Jaunty (fresh install) everything works flawlessly.
USB bluetooth adapter:
Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
OS Ubuntu 9.04 64-bit (2.6.28-11-generic)
Motherboard Asus P5KPL (Intel chipset with Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GH)