[PD] Freezes with Pd-Extended and Jack
ico at vt.edu
Fri Nov 23 17:12:51 CET 2012
Starting jack after pd is fixed in pd-l2ork. Likewise, hanging after
connection with jack is lost is fixed in pd-l2ork. Pd 0.43 also has a
regression in its audio stack rewrite where reconnecting to jack fails and
outputs a salvo of errors (at least this was the case with the one that
ships with Ubuntu).
In respect to pd-l2ork and jack there is only one more lingering problem
which is actually related to jackd that ships with Ubuntu 12.04. Namely,
sometimes when jack is running and one somehow loses the soundcard (e.g.
accidental disconnection of a usb soundcard) while jackd is running.
Killing jackd process fixes this (since it is the one hanging and it never
sends signal to pd-l2ork or any other client that the sound is gone so
pd-L2ork waits on jackd). I was assured that this has been fixed if one
compiles latest version of jackd from source but haven't tried yet if that
indeed fixes it.
On Nov 23, 2012 5:01 AM, "Lorenzo Sutton" <lorenzofsutton at gmail.com> wrote:
> On 21/11/12 23:35, Esteban Viveros wrote:
>> I'm using pd-extended 0.43.4, installed via Hans-Cristoph Steiner ppa.
>> I'm using this version because I can't install the stable version in Ubuntu
>> The problem is, when I start pd with Jack in -rt mode or wherever mode,
>> if I turn on dsp, they work well, but if I turn off, and try to turn on yet
>> dsp, pd-extended freeze...
> Does this happen even if jack (through Qjackctl or whatever) was started
> *before you start Pd??
> If so I guess it could be this bug:
> Indeed also turning DSP off when jack was auto-started by Pditselfscrews
> everything up.
> The workaround in this case would be to always start jack *before*
> starting Pd, then everything seems to behave well.
>> Closing Qjackctl (after some time ubuntu can close that) pd-extended
>> returns to work, and I can use on alsa directly sucessfull..
>> Someone knows where I can comunicate this bug to the developers? Is here
>> the place?
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