[LAU] debugging conflicts Pulseaudio/Jack

[Brendan Jones]

On 01/18/2013 07:23 AM, Brendan Jones wrote:
> On 01/18/2013 01:00 AM, Patrick Shirkey wrote:
>>
>> On Fri, January 18, 2013 10:47 am, Federico Bruni wrote:
>>> Hi
>>>
>>> I've chosen the option 3 (route PulseAudio to JACK while JACK is
>>> running) of this guide:
>>> http://jackaudio.org/pulseaudio_and_jack
>>>
>>> BTW, http://trac.jackaudio.org/ is down since yesterday.
>>>
>>> It used to work fine in the past but I'm having an issue just after
>>> using Stretchplayer (and therefore jack).
>>> I'm on Debian testing (Gnome 3.4.2). I can't see anymore the audio
>>> applet. In Settings»Audio I see that there's no output device.
>>> The applications that are trying to use Pulseaudio are listed but of
>>> course no sound is produced.
>>>
>>> jackd is not running.
>>> pulseaudio-module-jack is installed and my ~/.pulse/default.pa contains
>>> the following lines:
>>>
>>> load-module module-native-protocol-unix
>>> load-module module-jack-sink channels=2
>>> load-module module-jack-source channels=2
>>> load-module module-null-sink
>>> load-module module-stream-restore
>>> load-module module-rescue-streams
>>> load-module module-always-sink
>>> load-module module-suspend-on-idle
>>> set-default-sink jack_out
>>> set-default-source jack_in
>>>
>>>
>>> How can I debug this problem?
>>> Thanks in advance
>>
>>
>> There is a bug in Pulseaudio that is stopping pa from releasing the audio
>> device.
>>
>> The temporary solution until it is fixed and released is to disable
>> autospawn and restart pa.
>>
>> edit ~/.pulse/client.conf
>>
>> add
>>
>>      autospawn = no
>>
>>
>> restart pulse with
>>
>>      pulseaudio -k
>>      pulseaudio -D
>>
>> or maybe with
>>
>>      pasuspender -- jackd
>>
>>
>> If that fails you may need to completely kill pulse or just restart the
>> machine to get it to release the audio device. Once you have disabled
>> autospawn it should only need to be done once and only if you have
>> already
>> been using pulse to listen to a some audio.
>>
>
> We have noticed a problem with audio reservation in Fedora. Ian has has
> some success with this patch (as have I) but I'm at a loss to understand
> why, it just seems to work...
>
> http://lists.freedesktop.org/archives/pulseaudio-discuss/2013-January/015853.html
>
This is another patch that fixes a similar problem:

http://lists.freedesktop.org/archives/pulseaudio-discuss/2013-January/015890.html