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

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Date:   Fri, 1 Dec 2023 03:19:04 -0500
From:   "Kris Karas (Bug Reporting)" <bugs-a21@...nlit-rail.com>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Linux Bluetooth <linux-bluetooth@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Zach <zacheryvig@...look.com>
Subject: Re: Regression: Inoperative bluetooth, Intel chipset, mainline kernel
 6.6.2+

Bagas Sanjaya wrote:
> Kris Karas (Bug Reporting) wrote:
>> 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.

As only a few people are reporting this, it must be pretty 
hardware-specific (or perhaps Kconfig/firmware specific).  I'll do a 
bisect.  A bit too late here in Boston (03:00), and kiddo's birthday 
"later today", so will probably get to this on the weekend.

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

Just tried 6.7.0-rc3, and it is also affected.

I hadn't git-pulled my linux-stable since May, so that gave me a good 
chance to test the very latest.  :-)  And conveniently I'm now set for 
the bisect.

Kris