https://bugzilla.kernel.org/show_bug.cgi?id=208965 --- Comment #19 from Niklas Frank (niklas97.nf@xxxxxxxxxxxxxx) --- (In reply to david.zakarias from comment #13) > I tried what Julian did, but things do not work. > > hciconfig hci0 shows: > > hci0: Type: Primary Bus: USB > BD Address: 80:30:49:1B:82:2C ACL MTU: 1021:6 SCO MTU: 255:12 > DOWN > RX bytes:2068 acl:0 sco:0 events:189 errors:0 > TX bytes:32660 acl:0 sco:0 commands:189 errors:0 > > If I start btmon, and do sudo hciconfig hci0 up, there's a huge amount of > output, and an error at the end: > > < HCI Command: LE Clear White List (0x08|0x0010) plen 0 #59 [hci0] > 38.597768 > > HCI Event: Command Complete (0x0e) plen 4 #60 [hci0] > 38.599898 > LE Clear White List (0x08|0x0010) ncmd 2 > Status: Success (0x00) > < HCI Command: LE Set Resolvable P.. (0x08|0x002e) plen 2 #61 [hci0] > 38.600001 > Timeout: 900 seconds > > HCI Event: Command Complete (0x0e) plen 4 #62 [hci0] > 38.601954 > LE Set Resolvable Private Address Timeout (0x08|0x002e) ncmd 2 > Status: Unsupported Remote Feature / Unsupported LMP Feature (0x1a) > > > I'm stuck, any ideas? Hi, I got a similar error. I have a Huawei Matebook 14 2020 with Ryzen 4600H and the same RTL8822CE. lsusb shows the following: Bus 003 Device 002: ID 1358:c123 Realtek Bluetooth Radio I applied Julians Kernel patch and can see that the firmware is loaded during boot, but bluez does not detect the controller. dmesg | grep -i bluetooth: [ 1.720939] usb 3-3: Product: Bluetooth Radio [ 3.962354] Bluetooth: Core ver 2.22 [ 3.962376] Bluetooth: HCI device and connection manager initialized [ 3.962380] Bluetooth: HCI socket layer initialized [ 3.962382] Bluetooth: L2CAP socket layer initialized [ 3.962385] Bluetooth: SCO socket layer initialized [ 4.091974] Bluetooth: hci0: RTL: examining hci_ver=0a hci_rev=000c lmp_ver=0a lmp_subver=8822 [ 4.093982] Bluetooth: hci0: RTL: rom_version status=0 version=3 [ 4.093985] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cu_fw.bin [ 4.094858] Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cu_config.bin [ 4.094926] Bluetooth: hci0: RTL: cfg_sz 6, total sz 31422 [ 4.196048] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 4.196051] Bluetooth: BNEP filters: protocol multicast [ 4.196057] Bluetooth: BNEP socket layer initialized [ 4.371968] Bluetooth: hci0: RTL: fw version 0x09993aa1 Trying to bring the device up via 'hciconfig hci0 up' gives me the following error message: Can't init device hci0: Protocol not supported (93)` Does anyone have any Ideas what I can do to get this working? -- You are receiving this mail because: You are the assignee for the bug.