[linux-audio-user] Re: quattro

Brian Redfern bredfern at calarts.edu
Fri Nov 7 10:31:08 EST 2003


Do your jack clients also have to run as root to connect when jack is
run as root? Also is 256 megs of ram enough to run jackd well, or do I
need more like 500megs or more?

On Fri, 2003-11-07 at 03:55, Patrick Shirkey wrote:
> Austin wrote:
> >
> > 
> > [root at gamma373-179 austin]# jackd -d alsa -d hw:1 -p 1024 -n 3
> > jackd 0.80.0
> > Copyright 2001-2003 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 ..
> > creating alsa driver ... hw:1|hw:1|1024|3|48000|nomon|swmeter|rt
> > open
> > starting engine
> > 
> > [... about 30 seconds later...] 
> >  
> > **** alsa_pcm: xrun of at least 10.923 msecs
> >  
> > ALSA lib pcm_hw.c:494:(snd_pcm_hw_start) SNDRV_PCM_IOCTL_START failed:
> > Broken pipe
> > could not start playback (Broken pipe)
> > 
> > Sometimes it runs for a few minutes before doing this...
> > Any suggestions?
> > Austin
> > 
> 
> What do you get if you use
> 
> jackd -v -R -a -d alsa -d hw:1 -p 1024 -n 3
> 
> running as root.
> 
> 



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