strange pulse / jack behaviour

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On Tue, October 30, 2012 3:42 am, Richard Bown wrote:
> On Tue, 30 Oct 2012 01:12:00 +1100
> Patrick Shirkey <pshirkey at boosthardware.com> wrote:
>
>>
>> On Mon, October 29, 2012 9:39 pm, Richard Bown wrote:
>> > On Mon, 29 Oct 2012 20:59:05 +1100
>> > Patrick Shirkey <pshirkey at boosthardware.com> wrote:
>> >
>> >> Hi,
>> >>
>> >> Does anyone have any thoughts on why the following is happening?
>> >>
>> >> Using Debian wheezy on an intel board with built in HDA chipset.
>> >> (Notebook
>> >> sound card)
>> >>
>> >> I was unable to start jack. It seemed like the problem might have
>> been
>> >> because pulse was running so I killed pulse with "pulseaudio -k".
>> That
>> >> didn't help. I installed pulseaudio-module-jack and configured
>> >> /etc/pulse/default.pa to include
>> >>
>> >> load-module module-jack-sink
>> >> load-module module-jack-source
>> >>
>> >> restarted pulseaudio with pulseaudio -k ; pulseaudio and it attempted
>> to
>> >> start jack server but was not able to. At that point I was unable to
>> get
>> >> pulseaudio to start at all or jack so I decided to reboot in case it
>> was
>> >> a
>> >> kernel oops.
>> >>
>> >> After rebooting pulseaudio still would not start. I tried a couple of
>> >> options but in the end I had to run "pulseaudio --system -D" as
>> >> superuser.
>> >> After doing that jackd would run from qjackctl but there are not
>> >> pulse-sink/source connections in jack probably because pulse is
>> running
>> >> as
>> >> superuser but I'm not 100% on the exact reason for this behaviour. I
>> can
>> >> see that pulseaudio is running with "ps aux".
>> >>
>> >> If recent feedback on LAU list anything to go by it seems that I'm
>> not
>> >> the
>> >> only one who has encountered issues similar to this recently.
>> >>
>> >>
>> >>
>> >> --
>> >> Patrick Shirkey
>> >
>> >
>> > Patrick are you using jack to connect the onboard HDA to an app using
>> jack
>> > and
>> > then to the jack-source module ?
>>
>> The jack-source/sink connections don't even appear in qjackctl.
>>
>> > If so you need to unload the pulse alsa module for the Intel device,
>> so
>> > that
>> > the system inputs and outputs appear when using the jack connection in
>> > qjackctl.
>>
>> I will look at that tomorrow. I thought from previous experience that
>> pulse was able to automatically reconfigure itself if the jack modules
>> were installed. Either way I never had to run pulseaudio as root before
>> to
>> get the jack sink/source connections to load in jack. Seems like
>> something
>> has been borked in Debian Wheezy.
>>
>>
>> > I managed to get to the stage of everything looking good with jack
>> > connections,
>> > but didn't get incoming audio to the jack-source module. I suspect
>> that
>> > problem
>> > may have been with the app I was using.
>> >
>> > meterbridge is very useful for checking connections with jack connect
>> >
>>
>> jack_lsp works pretty well too ;-)
>>
>>
>>
>> --
>> Patrick Shirkey
>> Boost Hardware Ltd
>>
> If it would help ,I have a shell script that gets the ALSA card number for
> a
> M-Audio D66 card , then finds the PA module and unloads it , then starts
> jackd
> with the parameters for the D66 card , and loads PA jack source and sink,
> and
> starts qiackctl, and then makes a few connections with jack-connect.
> Once that is all done starts an application I use.
> If it would help I'll send you a copy direct, and you can hack it to bits
> for
> your application.
> Its written for Fedora FC17, but should run on wheesy.
> I used wheesy for a while , but got fed up with good apps they dropped in
> the
> electronics menu.
>

Thanks, It looks like the real issue is that the packager for jackd2
didn't compile with dbus support.

I'll see if I can track them down and discuss with them on why they are
doing that. Unless someone here knows already.




--
Patrick Shirkey
Boost Hardware Ltd


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