[PD] Freezes with Pd-Extended and Jack

Ivica Ico Bukvic ico at vt.edu
Sun Nov 25 05:32:26 CET 2012


Scope~ and envgen work just fine here. Can you report what is broken 
with them? As for output~, I am not even sure what library is this a 
part of since I don't use it. Since pd-l2ork by default does not load 
all libraries, you need to explicitly call the object by its folder/lib, 
e.g. <libname>/output~

On 11/24/2012 09:16 PM, Esteban Viveros wrote:
> It would be amazing if Pd-extended 0.43 is put to work with jack... *.*
>
> Pd-L2Ork can't suply my expectations..
>
> objects like [output~]  [Scope~]  [envgen]  don't work on the L2Ork 
> version here..
>
> My last chance would be pd-extended 0.43...
>
>
> 2012/11/24 Hans-Christoph Steiner <hans at at.or.at <mailto:hans at at.or.at>>
>
>
>     If someone can point me to the commit that fixes this, I'm happy
>     to include it in Pd-extended 0.43.  I just never use Jack, so I
>     don't know what's what.  Things work in my basic tests.
>
>     I know that Miller changed this stuff in pure-data.git.
>
>     .hc
>
>     On Nov 24, 2012, at 5:58 PM, Gerhard Lang wrote:
>
>     > Tx Ivica and Esteban,
>     > as similarly afflicted user encouraged by this thread I followed
>     this  recommendation, replaced pd and pd-extended with pd-l2ork.
>     > Works flawlessly together with jack 1.9.9-test5 from kx-studio
>     ppa, dsp is switchable, some other bugs are gone, my patches run :D
>     > You made my day and now I'm going to learn more about L2ork.
>     > Gerhard
>     >
>     > Am 24.11.2012 17:35, schrieb Ivica Bukvic:
>     >>
>     >> 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
>     <mailto:emviveros at gmail.com> <mailto:emviveros at gmail.com
>     <mailto: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 <mailto:ico at vt.edu>
>     <mailto:ico at vt.edu <mailto: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 <mailto:emviveros at gmail.com>
>     <mailto:emviveros at gmail.com <mailto: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 inicialização do módulo falhou
>     >>
>     >>            Falha: A inicialização do módulo 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
>     <mailto:emviveros at gmail.com>
>     >>            <mailto:emviveros at gmail.com
>     <mailto:emviveros at gmail.com>>>
>     >>
>     >>                Hmmm... I can understand now...
>     >>
>     >>                Well.. I tried now the version of Jack on kxstudio
>     >>                testing ppa
>     >>              
>      <https://launchpad.net/%7Ekxstudio-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
>     <mailto:ico at vt.edu>
>     >>                <mailto:ico at vt.edu <mailto: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 <mailto:robin at gareus.org>
>     <mailto:robin at gareus.org <mailto: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://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://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://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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-- 
Ivica Ico Bukvic, D.M.A
Composition, Music Technology
Director, DISIS Interactive Sound & Intermedia Studio
Director, L2Ork Linux Laptop Orchestra
Head, ICAT IMPACT Studio
Virginia Tech
Department of Music
Blacksburg, VA 24061-0240
(540) 231-6139
(540) 231-5034 (fax)
disis.music.vt.edu
l2ork.music.vt.edu
ico.bukvic.net

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