[PD] Freezes with Pd-Extended and Jack

Sat Nov 24 13:43:43 CET 2012

HUm... Ok... I will try!

But what the better? Jack 1.9.8 or 1.9.9?

2012/11/24 Ivica Bukvic <ico at vt.edu>

> That is the regression I spoke of in pd 0.43 branch. Try pd-l2ork...
> On Nov 23, 2012 9:27 PM, "Esteban Viveros" <emviveros at gmail.com> wrote:
>
>> Ops...  I did a better test, and doing first open Pd and then I open
>> Jack. Now The DSP function work well, but I don't have sound...
>>
>> On messages box I have:
>>
>> 00:18:26.321 Patchbay deactivated.
>>
>> 00:18:26.373 Statistics reset.
>>
>> 00:18:26.388 ALSA connection change.
>>
>> 00:18:26.440 JACK connection change.
>>
>> 00:18:26.467 Client activated.
>>
>> 00:18:52.992 JACK connection graph change.
>>
>> 00:18:53.134 JACK connection change.
>>
>> 00:19:38.102 Client deactivated.
>>
>> 00:19:38.103 Post-shutdown script...
>>
>> 00:19:38.103 dreamstudio-restart-pulseaudio
>>
>> # making sure pulseaudio will restart if it crashes
>>
>> # starting pulseaudio
>>
>> # connecting pulseaudio to JACK
>>
>> Falha: A inicializaÃ§Ã£o do mÃ³dulo falhou
>>
>> Falha: A inicializaÃ§Ã£o do mÃ³dulo falhou
>>
>> 00:19:41.798 Post-shutdown script terminated with exit status=256.
>>
>> 00:19:44.297 JACK connection change.
>>
>> 00:19:44.311 Client activated.
>>
>> 00:20:38.543 JACK connection graph change.
>>
>> 00:20:38.693 JACK connection change.
>>
>> 00:20:42.648 ALSA connection graph change.
>>
>> 00:20:42.708 ALSA connection change.
>>
>> 00:20:42.709 ALSA connection graph change.
>>
>> 00:20:42.910 ALSA connection change.
>>
>> 00:20:45.334 JACK connection graph change.
>>
>> 00:20:45.514 JACK connection change.
>>
>> 00:20:52.993 JACK connection graph change.
>>
>> 00:20:53.014 Buffer size change (64).
>>
>>
>> What can I do now?
>>
>>
>> 2012/11/23 Esteban Viveros <emviveros at gmail.com>
>>
>>> Hmmm... I can understand now...
>>>
>>> Well.. I tried now the version of Jack on kxstudio testing ppa<https://launchpad.net/~kxstudio-team/+archive/testing>and the problem is the same... :(
>>>
>>> This ppa was install jack2, jackd and jackdfirewire packages on version
>>> 1.9.9  but the package libjack-jack2.0 is mantained on version 1.9.8
>>>
>>> The next step will be to compile jack packages on version 1.9.9
>>>
>>> Ivica, or anyone, you have some information how can I compile that? For
>>> that I need some help.
>>>
>>> Regards
>>>
>>>
>>> 2012/11/23 Ivica Ico Bukvic <ico at vt.edu>
>>>
>>>> See below (from the linux-audio-user list):****
>>>>
>>>> ** **
>>>>
>>>> Re: [LAU] question about jackdmp's ability to detect its soundcard has
>>>> disconnected****
>>>>
>>>> Could this be the difference between 1.9.8 and git version?****
>>>>
>>>> On Oct 29, 2012 12:10 PM, "Robin Gareus" <robin at gareus.org> wrote:****
>>>>
>>>> On 10/29/2012 03:55 PM, Ivica Ico Bukvic wrote:
>>>> > All,
>>>> >
>>>> > I noticed since upgrading to Ubuntu 12.04 that the default Jack
>>>> server is
>>>> > jackdmp (v.1.9.8). Please correct me if I am wrong but my
>>>> understanding this
>>>> > is the smp-enabled version 2 that is being developed in parallel with
>>>> 1.x
>>>> > series of regular jack.
>>>>
>>>> correct. They are also API and ABI compatible.
>>>>
>>>> > Either way, one of my concerns is that while in the old jack when one
>>>> > accidentally pulled the soundcard jack was trying to talk to (e.g. a
>>>> USB
>>>> > soundcard), the jack would gracefully stop.
>>>>
>>>> In my experience it stopped but never gracefully (ie it crashed). but
>>>> it's been a while since I used jack1.
>>>>
>>>> > The new version (and this could
>>>> > be Ubuntu quirk) instead of stopping is pegged in some kind of a
>>>> spinlock
>>>> > that often times locks up the machine (this may be in part since I am
>>>> > running a lowlatency kernel with audio group given priority) and at
>>>> times
>>>> > keeps it operational while hogging the cpu and making the computer
>>>> barely
>>>> > responsive until jackd is killed. Apps connected to jack that I
>>>> tested so
>>>> > far are also stuck in a loop waiting for a response from jack
>>>> (although this
>>>> > could be the app's shortcoming)--jack never broadcasts a signal that
>>>> it has
>>>> > lost the soundcard (AFAICT). FWIW I am running jackdmp through
>>>> qjackctl...
>>>> > Any thoughts on this matter would be most appreciated.
>>>> >
>>>>
>>>> I can't reproduce this. jack2 stops the backend when the device is
>>>> disconnected. You can switch to a new backend using jack_control
>>>> (sending some Dbus messages to jackd) without re-starting jackd. No CPU
>>>> hogging here. - I'm running jack2 - aka 1.9.9.4 from git.
>>>>
>>>> robin****
>>>>
>>>> ** **
>>>>
>>>
>>>
>>>
>>> --
>>>
>>> Esteban Viveros
>>>
>>> (27) 8815 7170
>>> (27) 3066 0359
>>> (11) 95761 4125
>>> (11) 2738 7868
>>>
>>> www.bandpage.com/estebanviveros <http://soundcloud.com/estebanviveros>
>>>
>>> https://www.facebook.com/estebanviveros.art
>>>
>>> http://www.papodecompositor-es.blogspot.com.br/
>>>
>>> http://expurgacao.art.br/
>>>
>>>
>>
>>
>> --
>>
>> Esteban Viveros
>>
>> (27) 8815 7170
>> (27) 3066 0359
>> (11) 95761 4125
>> (11) 2738 7868
>>
>> www.bandpage.com/estebanviveros <http://soundcloud.com/estebanviveros>
>>
>> https://www.facebook.com/estebanviveros.art
>>
>> http://www.papodecompositor-es.blogspot.com.br/
>>
>> http://expurgacao.art.br/
>>
>>
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>>

-- 

Esteban Viveros

(27) 8815 7170
(27) 3066 0359
(11) 95761 4125
(11) 2738 7868

www.bandpage.com/estebanviveros <http://soundcloud.com/estebanviveros>

https://www.facebook.com/estebanviveros.art

http://www.papodecompositor-es.blogspot.com.br/

http://expurgacao.art.br/
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