[pulseaudio-tickets] [Bug 107228] New: Unable to connect Bluetooth headphones after switching audio profile.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107228

            Bug ID: 107228
           Summary: Unable to connect Bluetooth headphones after switching
                    audio profile.
           Product: PulseAudio
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: daemon
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: yousef.su.2000 at gmail.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

Bluetooth headphones were working since long ago. A few days ago I wanted to
have a voice call so I tried to switch audio profile from 'High Fidelity
Playback (A2DP sink)' to 'Headset Head Unit (HSF/HSP)', PulseAudio crashed and
since then I can no longer get Bluetooth headphones to work.

Debugging stuff:
-----------------

 - Bluetooth headphones pair fine and all, but the sink is not shown in the
'Output Devices' tab in pavucontrol, and the 'Configuration' tab shows the
device as 'Profile: Off'

 - If I attempt to change profile via pavucontrol or via blueman, PulseAudio
stalls for a minute and then dumps core.

 - I find this in my journal: pulseaudio[26009]: Assertion '!u->thread' failed
at modules/bluetooth/module-bluez5-device.c:1731, function start_thread().
Aborting.

 - It's interesting that PulseAudio since then has been saying this when
running it: N: [pulseaudio] main.c: User-configured server at
{2956b849822048eabdf5bd169ef03d78}unix:/run/user/1000/pulse/native, which
appears to be local. Probing deeper.


Things I tried:
----------------

 - Rebooting
 - Removing device then pairing again
 - Check for any bluetooth-related or pulseaudio-related updates
 - Checked permissions on /run/user/1000/pulse/native

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