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Date:      Tue, 02 Apr 2019 15:53:23 +0000
From:      bugzilla-noreply@freebsd.org
To:        wireless@FreeBSD.org
Subject:   [Bug 203745] A2DP Support for Bluetooth Headphone Audio
Message-ID:  <bug-203745-21060-KBt9Y9Wh4J@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-203745-21060@https.bugs.freebsd.org/bugzilla/>
References:  <bug-203745-21060@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D203745

--- Comment #52 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
HI,

You might want to single step and backtrace from GDB the following line of
code:

backend_bt/avdtp.c:     alarm(8);                       /* set timeout */

To figure out which command fails.

You can also try to install and run:

virtual_bt_speaker -d /dev/dspXXX

Some A2DP devices try to connect back.

There is also hcidump in ports, which gives you a .pcap file suitable for
opening with wireshark. This will reveal where the protocol stops.

--HPS

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