(In reply to Nickolas Gupton from comment #7)
> Bluetooth is still not working on boot with kernel 6.7.9 with linux-firmware
> 20240220
> However, if I run this script (may take 2-3 runs sometimes) it will work:
> 
> $ cat reset_bluetooth.sh 
> modprobe -r btusb
> modprobe -r btintel
> sleep 2
> modprobe btintel
> modprobe btusb
> sleep 1
> systemctl restart bluetooth


Thanks for the script, it actually works after a couple of tries as you say, 
really great.

I wonder, how did you enable these extra debug messages in journalctl? For 
example, in mine it doesn't say anything about which firmware files it tries to 
load.
I was trying to identify what it loads to replace them with some older versions 
and see if I can make it work that way.


I also want to confirm again that the issue is still present in kernel 6.8.1 
with the latest firmware update: 20240312

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2051720

Title:
  Bluetooth Broken In Kernel Versions 6.5+ (Intel AX210)

Status in Linux:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  ```
  kernel: Bluetooth: hci0: command 0xfc05 tx timeout
  ```

  This issue started with kernel 6.5. Bluetooth has been broken ever
  since. The issue was not present in earlier versions of the kernel.

  ```
  $ uname -a

  Linux 6.5.0-17-generic #17~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Jan 16 
14:32:32 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
  ```

  ```
  $ lsusb | grep -i bluetooth

  Bus 001 Device 004: ID 8087:0032 Intel Corp. AX210 Bluetooth
  ```

  ```
  $ journalctl -b | egrep -i bluetooth

  Jan 30 10:28:53 systemd[3247]: Reached target Bluetooth.
  Jan 30 10:28:53 systemd[1]: Reached target Bluetooth Support.
  Jan 30 10:28:55 kernel: Bluetooth: hci0: command 0xfc05 tx timeout
  Jan 30 10:28:55 kernel: Bluetooth: hci0: Reading Intel version command failed 
(-110)
  ```

  ```
  linux-firmware/jammy-proposed,now 20220329.git681281e4-0ubuntu3.25 all 
[installed,automatic]
  ```

To manage notifications about this bug go to:
https://bugs.launchpad.net/linux/+bug/2051720/+subscriptions


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