[PD] Freezes with Pd-Extended and Jack

Sat Nov 24 17:35:50 CET 2012

With 1.9.8 and pd-l2ork all your problems will be solved except for the one
caused by jack which in your case should not be a problem unless you
physically disconnect (accidentally our otherwise) your audio hardware
while jack is running.
On Nov 24, 2012 7:44 AM, "Esteban Viveros" <emviveros at gmail.com> wrote:

> 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/
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
>
>
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