USB Bluetooth adaptor - part 2

[Phil]

I have discovered some more information that seems to suggest that there 
might be a problem with the driver:

sudo dmesg | grep Bluetooth

[   72.481773] Bluetooth: hci1: RTL: rom_version status=0 version=1
[   72.481791] Bluetooth: hci1: RTL: loading rtl_bt/rtl8761bu_fw.bin
[   72.488206] Bluetooth: hci1: RTL: loading rtl_bt/rtl8761bu_config.bin
[   72.488387] Bluetooth: hci1: RTL: cfg_sz 6, total sz 27814
[   72.639707] Bluetooth: hci1: RTL: fw version 0x09a98a6b
[  107.384138] Bluetooth: hci1: Opcode 0x c1a failed: -110
[  107.384182] Bluetooth: hci1: command 0x0c1a tx timeout
[  109.400046] Bluetooth: hci1: Opcode 0x c3a failed: -110
[  109.400097] Bluetooth: hci1: command 0x0c3a tx timeout

-- 
Regards,
Phil