Re: Bluetooth Kernel Bug: After connecting either HFP/HSP or A2DP is not available (Regression in 6.9.3, 6.8.12)

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Hi Paul,
I built kernels with bluetooth-next and it's the same problem on both
systems. After reverting 84a4bb6548a29326564f0e659fb806
4503ecc1c7 the
problem is gone.

Best regards, Timo

Am Fr., 7. Juni 2024 um 05:55 Uhr schrieb Paul Menzel <pmenzel@xxxxxxxxxxxxx>:
>
> #regzbot ^introduced: af1d425b6dc6
>
>
> Dear Timo,
>
>
> Am 06.06.24 um 22:46 schrieb Timo Schröder:
>
> > on my two notebooks, one with Ubuntu (Mainline Kernel 6.9.3, bluez
> > 5.7.2) and the other one with Manjaro (6.9.3, bluez 5.7.6) I'm having
> > problems with my Sony WH-1000XM3 and Shure BT1. Either A2DP or HFP/HSP
> > is not available after the connection has been established after a
> > reboot or a reconnection. It's reproducible that with the WH-1000XM3
> > the A2DP profiles are missing and with the Shure BT1 HFP/HSP profiles
> > are missing. It also takes longer than usual to connect and I have a
> > log message in the journal:
> >
> > Jun 06 16:28:10 liebig bluetoothd[854]: profiles/audio/avdtp.c:cancel_request() Discover: Connection timed out (110)
> >
> > When I disable and re-enable bluetooth (while the Headsets are still
> > on) and trigger a reconnect from the notebooks, A2DP and HFP/HSP
> > Profiles are available again.
> >
> > I also tested it with 6.8.12 and it's the same problem. 6.8.11 and
> > 6.9.2 don't have the problem.
> > So I did a bisection. After reverting commit
> > af1d425b6dc67cd67809f835dd7afb6be4d43e03 "Bluetooth: HCI: Remove
> > HCI_AMP support" for 6.9.3 it's working again without problems.
>
> Thank you for bisecting the issue.
>
> > Let me know if you need anything from me.
>
> If you could test the master branch or bluetooth-next, and, if
> reproducible, also with the upstream commit
> 84a4bb6548a29326564f0e659fb8064503ecc1c7 reverted, that’d be great.
>
>
> Kind regards,
>
> Paul





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