Re: Regression: Inoperative bluetooth, Intel chipset, mainline kernel 6.6.2+

[Bagas Sanjaya]

[also Cc: original Bugzilla reporter]

On Thu, Nov 30, 2023 at 08:54:09PM -0500, Kris Karas (Bug Reporting) wrote:
> Greetings -
> 
> With mainline kernel 6.6.2+ (and 6.1.63, etc), bluetooth is inoperative
> (reports "opcode 0x0c03 failed") on my motherboard's bluetooth adapter
> (Intel chipset).  Details below.
> 
> I reported this in a comment tacked onto bugzilla #218142, but got no
> response, so posting here as a possibly new issue.
> 
> Details, original email:
> ----------------------------------------------------------------------
> I have a regression going from mainline kernel 6.1.62 to 6.1.63, and also
> from kernel 6.6.1 to 6.6.2; I can bisect if patch authors can't locate the
> relevant commit.  In the most recent kernels mentioned, bluetooth won't
> function.

Then please do bisection; without it, nobody will look into this properly.

> 
> Hardware: ASRock "X470 Taichi" motherboard - on board chipset.
> lsusb: ID 8087:0aa7 Intel Corp. Wireless-AC 3168 Bluetooth.
> dmesg: Bluetooth: hci0: Legacy ROM 2.x revision 5.0 build 25 week 20 2015
>        Bluetooth: hci0: Intel Bluetooth firmware file:
>          intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq
>        Bluetooth: hci0: Intel BT fw patch 0x43 completed & activated
> bluez: Version 5.70, bluez firmware version 1.2
> Linux kernel firmware: 20231117_7124ce3
> 
> On a working kernel (such as 6.6.1), in addition to the dmesg output above,
> we have this:
> dmesg: Bluetooth: MGMT ver 1.22
>        Bluetooth: hci0: Bad flag given (0x1) vs supported (0x0)
> 
> On a failed kernel (such as 6.6.2), instead of the good output above, we
> have:
> dmesg: Bluetooth: hci0: Opcode 0x0c03 failed: -110
>        Bluetooth: hci0: Opcode 0x0c03 failed: -110
>        ...
> repeats several times as bluez attempts to communicate with hci0.
> ----------------------------------------------------------------------
> 
> Since that email was sent, kernel firmware has been updated to
> 20231128_aae6052, and kernels 6.1.64 and 6.6.3 have been tried with no
> change observed.
> 

You may also want to check current mainline (v6.7-rc3) to see if this
regression have already been fixed.

Anyway, thanks for the regression report. I'm adding it to regzbot
for tracking (as stable-specific regression for now):

#regzbot ^introduced: v6.6.1..v6.6.2
#regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=218142

-- 
An old man doll... just what I always wanted! - Clara

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