[PD] compile on ubuntu (again)

John Harrison john.harrison at wichita.edu
Mon Feb 6 02:48:16 CET 2006

Is XMMS with the JACK output driver working for you? That's my standard 
JACK test...but...if qjackctl isn't working...I doubt the problem is 
with Pd. Sounds more like a problem  with jackd. When messing with JACK 
initially, I always find it easiest to run jackd or jackstart from 
qjackctl. Easier to debug what is going on.

Is the output below from jackd or qjackctl? Whatever it is...it isn't 
happy. That's the place to start.


david golightly wrote:

> Hello everyone!
> Sorry to be a drag here, but I've been scratching my head on this for 
> several days now.  I'm trying to coordinate pd, alsa, and jack on 
> ubuntu (actually demudi multimedia kernel 2.6.12 in ubuntu) and I've 
> got a number of symptoms here, but I've not been able to diagnose 
> what's going on:
> - not getting any sound from pd; pd doesn't recognize any devices
> - pd's Media menu lists 'OSS', 'ALSA', and 'Jack'
> - compiled pd 0.39-2 with --enable-alsa --enable-jack
> - alsa seems to be installed fine, alsamixer works, cds play in alsaplayer
> - qjackctl will not connect to jack server as client - but jack 
> appears to start fine (?):
> 13:44:26.950 JACK was started with PID=6255 (0x186f).
> jackd 0.100.9
> Copyright 2001-2005 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> JACK compiled with System V SHM support.
> loading driver ..
> apparent rate = 48000
> creating alsa driver ... hw:0|hw:0|1024|2|48000|2|2|nomon|swmeter|-|32bit
> control device hw:0
> configuring for 48000Hz, period = 1024 frames, buffer = 2 periods
> Note: audio device hw:0 doesn't support a 32bit sample format so JACK 
> will try a 24bit format instead
> Note: audio device hw:0 doesn't support a 24bit sample format so JACK 
> will try a 16bit format instead
> nperiods = 2 for capture
> nperiods = 2 for playback
> 13:44:29.002 Could not connect to JACK server as client.
> 13:44:31.629 JACK is stopping...
> So I was wondering, anyone have any pointers here?  I'm stumped.
> Thanks,
> David
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