#998875 bluetooth: Wi-Fi 6 AX210 card bluetooth functionality not working, hci0: command 0xfc09 tx timeout

#998875#5
Date:
2021-11-09 08:28:31 UTC
From:
To:
Dear Maintainer,

I have a laptop with a fairly new wifi card, a AX 210. From what I
understand wifi support was added at some point in kernel version 5.11
and bluetooth functionality was added in 5.12. I have previously used
Ubuntu 21.04, which at that time had kernel 5.13 or 5.14, and both wifi
and bluetooth were working. After 5.14 was released for Debian testing
I was finally able to come back again, however, it turns out that
bluetooth doesn't seem to work, where as wifi is working fine.
hcitool reports

# hcitool scan
Device is not available: No such device

and from rfkill I get
# rfkill list all
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: yes
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no

When trying

# rfkill unblock 0

dmesg then reports

[48522.340026] Bluetooth: hci0: Device revision is 0
[48522.340034] Bluetooth: hci0: Secure boot is enabled
[48522.340036] Bluetooth: hci0: OTP lock is enabled
[48522.340038] Bluetooth: hci0: API lock is enabled
[48522.340040] Bluetooth: hci0: Debug lock is disabled
[48522.340042] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[48522.340046] Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
[48522.340396] bluetooth hci0: firmware: direct-loading firmware intel/ibt-0041-0041.sfi
[48522.340404] Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
[48524.416541] Bluetooth: hci0: command 0xfc09 tx timeout
[48532.480458] Bluetooth: hci0: Failed to send firmware data (-110)
[48532.480556] Bluetooth: hci0: sending frame failed (-19)
[48532.480599] Bluetooth: hci0: Intel reset sent to retry FW download

and bluetooth still cannot be used.

Cheers,
Andrej