Bluetooth pulseaudio multiple device entries

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Hi Colin,

On Sat, Apr 6, 2013 at 11:01 AM, Colin Beckingham <colbec at start.ca> wrote:
>
>
> On 04/06/2013 04:05 AM, Mikel Astiz wrote:
>>
>> Hi Colin,
>>
>> On Fri, Apr 5, 2013 at 2:49 PM, Colin Beckingham <colbec at start.ca> wrote:
>>>
>>>
>>>
>>> On 04/05/2013 08:16 AM, Mikel Astiz wrote:
>>>>
>>>>
>>>> Hi Colin,
>>>>
>>>> On Fri, Apr 5, 2013 at 1:54 PM, Colin Beckingham <colbec at start.ca>
>>>> wrote:
>>>>>
>>>>>
>>>>> Good day: using Opensuse 12.3 with standard desktop kernel from repo,
>>>>> pulseaudio under Gnome.
>>>>>
>>>>> Steps to reproduce:
>>>>> 1. clean boot of machine.
>>>>> 2. USB Bluetooth adapter Belkin which works reliably
>>>>> 3. Issue command as root "hciconfig 0 sspmode 0" - this is essential
>>>>> otherwise bluetooth device not recognized.
>>>>> 4. Open gnome sound settings from user menu; onboard sound device is
>>>>> present, only one entry
>>>>> 5. switch on bluetooth device Samsung WEP 475
>>>>> 6. device is recognized and paired, an entry appears in PA list
>>>>> 7. about 10 sec later a second entry for the same BT device appears in
>>>>> the
>>>>> list
>>>>> 8. after playing with the windows sometimes the second entry will go
>>>>> away
>>>>> 9. at least one of the entries will work and PA shows amplitude changes
>>>>> registering for the input device
>>>>> 10. sometimes clicking the wrong one will cause Gnome settings window
>>>>> to
>>>>> crash, but BT and PA are still running and device is working and gnome
>>>>> window can be opened again.
>>>>>
>>>>> Clearly the multiple entries thing is not normal behaviour.
>>>>> Might be a BT issue, or a PA issue, or a Gnome issue or other.
>>>>> It's a tossup where where to start, can I rule out the BT side?
>>>>
>>>>
>>>>
>>>> Can you specify which versions of BlueZ and PulseAudio you're using?
>>>>
>>>> Also, please check:
>>>> a. which modules are loaded during the issue by doing "pactl list
>>>> modules" or similar.
>>>> b. which bluetooth devices BlueZ registers on D-Bus: "test-device
>>>> list"/"bluez-test-device list" or similar. You can alternatively use a
>>>> tool such as d-feet.
>>>>
>>>> Cheers,
>>>> Mikel
>>>
>>>
>>>
>>> Mikel -
>>>
>>> -----------------
>>>
>>> $ pulseaudio --version
>>> pulseaudio 3.0
>>>
>>> -------------------
>>>
>>> # bluetoothd --version
>>> 4.101
>>>
>>> -------------------
>>>
>>> # test-device list
>>> 00:0D:E6:6E:51:47 WEP475
>>>
>>> -------------------
>>>
>>> # pactl list modules
>>>
>>> ### this module is added after starting the Samsung device
>>>
>>> Module #28
>>>      Name: module-bluetooth-device
>>>      Argument: address="00:0D:E6:6E:51:47"
>>> path="/org/bluez/455/hci0/dev_00_0D_E6_6E_51_47"
>>>      Usage counter: 0
>>>      Properties:
>>>          module.author = "Joao Paulo Rechi Vita"
>>>          module.description = "Bluetooth audio sink and source"
>>>          module.version = "3.0"
>>>
>>> -------------------
>>>
>>> A small point to add to steps to reproduce:
>>>
>>> 11. with two entries showing in PA, shut down of BT device removes the
>>> latest added entry from the PA list leaving one entry for the device even
>>> though it is not active.
>>
>>
>> As you probably guessed, the traces you provide look good, no
>> duplicated devices there. I would thus assume it's a UI issue, you
>> might confirm this by using pavucontrol and checking whether the card
>> (representing the device) is listed twice or not.
>>
>> Besides, when you say "7. about 10 sec later a second entry for the
>> same BT device...", is this happening only after you pair the device?
>> Or does the issue also reproduce every time the device gets connected
>> (without unpair + pair)?
>>
>> Cheers,
>> Mikel
>
>
> Thanks Mikel
>
> My testing to this point has been that the device was connected
> automatically having been pre-registered and paired.
>
> So I deleted the pre-registered entry and re-paired the device. The device
> entry behaved correctly when first paired, however when I left the
> registration in place, unconnected the device and then reconnected it, the
> duplicates reappeared.
>
> In fact each time I selected an entry at random and clicked "test speakers"
> it created a new entry. At one point I had 6 entries all working and all the
> same device.
>
> It certainly looks like a UI issue. I will contact the PA folks.
> Thanks for helping me remove the BT side from the query list.

[CCing PulseAudio mailing list]

In the PA side, double check that you don't have duplicated instances
of module-bluetooth-device. There was an issue
(https://bugs.freedesktop.org/show_bug.cgi?id=57239) similar to the
one you describe, which should have been fixed for 3.0 (commit
41055145d7563c20fd58ed4b0a9b349c2363bb02).

Cheers,
Mikel


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