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From:   Chris Murphy <lists@colorremedies.com>
Date:   Tue, 15 Feb 2022 08:38:37 -0700
Message-ID: <CAJCQCtTNk25u6sm_Xqt8qzf7mM5kmOrnXyD6pT1GKJ5z5-Kqbw@mail.gmail.com>
Subject: Re: bug kernel 5.17, qualcom and intel adapters, unable to reliably
 connect to bluetooth devices
To:     Bluetooth <linux-bluetooth@vger.kernel.org>
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On Tue, Feb 15, 2022 at 8:29 AM Chris Murphy <lists@colorremedies.com> wrote:
>
> On Thu, Feb 10, 2022 at 6:44 PM Chris Murphy <lists@colorremedies.com> wrote:
>
> > Case 2:
> >
> > Bus 001 Device 005: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560
> > Jefferson Peak (JfP)
>
> Comparing 5.16.9 (working) and 5.17.0-rc7 (non-working) on this
> Thinkpad X1 Carbon, I'm seeing two notable differences:
>
> Multiple messages like this:
> [   15.731405] kernel: Bluetooth: hci0: unexpected event 0xff length: 5 > 0


This matches with a complaint I found here
https://lore.kernel.org/linux-bluetooth/20220125144639.2226-1-mike@fireburn.co.uk/
about this patch
https://lore.kernel.org/linux-bluetooth/20211201000215.1134831-13-luiz.dentz@gmail.com/


-- 
Chris Murphy