Re: Bluez stopped connecting A2DP sink

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

Hi,

On Mon, Oct 7, 2019 at 10:34 PM yayfortrees <yayfortrees@gmail.com> wrote:
>
> Hello,
>
> I recently upgraded bluez to 5.51 from 5.50 and my headphones stopped
> using the A2DP sink during autoconnect. The headphones instead go to
> HSP/HFP mode and the A2DP sink is disabled in pavucontrol/pactl. The
> A2DP sink will only work when the device is initially paired.
>
> This had worked flawlessly for years. I was able to track down the
> regression to this patch:
> https://www.spinics.net/lists/linux-bluetooth/msg76180.html ([PATCH
> BlueZ] policy: Add logic to connect a Sink). If I apply the patch to
> 5.50, my headphones no longer connect to the A2DP sink, if I remove it
> the problem goes away.
>
> Not sure what else I should include to help track this down. The
> headphones I'm using are Beats Wireless (Solo Bluetooth).
>
> The only relevant log entry I see with the patch applied is:
> a2dp-sink profile connect failed for 34:DF:2A:0D:F8:C2: Device or resource busy

Can you collect the HCI traces of the problem using btmon? I didn't
expect that to cause any problems, it should in theory solve them but
lets see.

> Let me know if any other information is needed.
> Thanks.



-- 
Luiz Augusto von Dentz