[PlanetCCRMA] Re: Greetings FC2 I got capabilities and jack working

[Fernando Pablo Lopez-Lezcano]

> > > Do you get the same performance if you go down to lower latencies? You
> > > are using jack with 1024x3, how about 256x2 or less? Any xruns in those
> > > conditions? 
> > 
> > Jackstart doesn't start with periods <= 2.
> 
> Yes, I guess that is because of the yamaha card. 
> 
> > With the command line:
> > /usr/bin/jackstart -d alsa -d hw -r 48000 -p 256 -n 3 -z &
> > I get a bunch of xruns:
> > **** alsa_pcm: xrun of at least 4.949 msecs 
[MUNCH]
> > **** alsa_pcm: xrun of at least 4.494 msecs
> > 
> > Is the command correct?
> 
> Well, you are not using the "-R", so you are not running with realtime
> priority (that is crucial to help avoid xruns). Could you try again with
> "-R"?

And of course (but I should mention it) with some audio and system
activity going on, if the system is idle you probably will not see
xruns. 

-- Fernando