This forum post mentions a kernel patch which seems to be necessary, which (from what they write) is only present in the mainstream kernel 5.8 - since I am using ubuntu 18.04 LTS, my kernel version is 4.15.0-136. I searched for solutions, and the best hit I found was this forum post - although the chipset (idVendor & idProduct) seems to match with my hardware, I am quite unsure if those drivers are useable for me (since my dongle is manufactured from a complete different company). I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Bluetooth: hci0: download fw command failed (-110) Bluetooth: hci0: command 0xfc20 tx timeout Bluetooth: hci0: cfg_sz 0, total size 20204 Bluetooth: hci0: rom_version status=0 version=1
Bluetooth: hci0: rtl: loading rtl_bt/rtl8761a_fw.bin bluetooth hci0: Direct firmware load for rtl_bt/rtl8761a_config.bin failed with error -2 Bluetooth: hci0: rtl: loading rtl_bt/rtl8761a_config.bin Bluetooth: hci0: rtl: examining hci_ver=0a hci_rev=000b lmp_ver=0a lmp_subver=8761 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-4: New USB device found, idVendor=0bda, idProduct=8771 Whenever I plug it in, these messages appear in dmesg: usb 1-4: new full-speed USB device number 9 using xhci_hcd I bought a bluetooth dongle ( Logilink BT0054), and did want to get it working on linux.
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