I confirm this bug with the beta2 Lucid LiveCD. I have the MX5500 keyboard/MX Revolution mouse with the Bluetooth dongle and I've got the same problem.
Relevant lsusb informations :
Bus 001 Device 025: ID 046d:c71c Logitech, Inc.
Bus 001 Device 024: ID 046d:c71b Logitech, Inc.
Bus 001 Device 022: ID 046d:0b06 Logitech, Inc.
I confirm this bug with the beta2 Lucid LiveCD. I have the MX5500 keyboard/MX Revolution mouse with the Bluetooth dongle and I've got the same problem.
Relevant lsusb informations :
Bus 001 Device 025: ID 046d:c71c Logitech, Inc.
Bus 001 Device 024: ID 046d:c71b Logitech, Inc.
Bus 001 Device 022: ID 046d:0b06 Logitech, Inc.