linux-kernel - Re: [PATCH] Bluetooth: silence a dmesg error message in hci

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Message-ID: <232fd0ae-0002-53cb-9400-f0347e434d42@o2.pl>
Date:   Thu, 17 Nov 2022 22:27:37 +0100
From:   Mateusz Jończyk <mat.jonczyk@...pl>
To:     "Gix, Brian" <brian.gix@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     "Von Dentz, Luiz" <luiz.von.dentz@...el.com>,
        "johan.hedberg@...il.com" <johan.hedberg@...il.com>,
        "marcel@...tmann.org" <marcel@...tmann.org>
Subject: Re: [PATCH] Bluetooth: silence a dmesg error message in hci_request.c

W dniu 17.11.2022 o 21:34, Gix, Brian pisze:
> Hi Mateusz,
>
> On Wed, 2022-11-16 at 21:28 +0100, Mateusz Jończyk wrote:
>> On kernel 6.1-rcX, I have been getting the following dmesg error
>> message
>> on every boot, resume from suspend and rfkill unblock of the
>> Bluetooth
>> device:
>>
>>         Bluetooth: hci0: HCI_REQ-0xfcf0
>>
> This has a patch that fixes the usage of the deprecated HCI_REQ
> mechanism rather than hiding the fact it is being called, as in this
> case.
>
> I am still waiting for someone to give me a "Tested-By:" tag to patch:
>
> [PATCH 1/1] Bluetooth: Convert MSFT filter HCI cmd to hci_sync
>
> Which will also stop the dmesg error. If you could try that patch, and
> resend it to the list with a Tested-By tag, it can be applied.

Hello,

I did not receive this patch, as I was not on the CC list; I was not
aware of it. I will test it shortly.

Any guidelines how I should test this functionality? I have a Sony Xperia 10 i4113
mobile phone with LineageOS 19.1 / Android 12L, which according to the spec supports
Bluetooth 5.0. Quick Google search tells me that I should do things like 

        hcitool lescan

to discover the phone, then use gatttool to list the services, etc.

Greetings,

Mateusz