[LAU] controlling xruns in a VM
paul at linuxaudiosystems.com
Tue Mar 17 15:28:36 EDT 2009
On Mon, Mar 16, 2009 at 8:42 PM, frank pirrone <frankpirrone at gmail.com>wrote:
> I'm working on a Parallels VM running on my MacBookPro to give a Linux
> audio demonstration to ouI'm working on a Parallels VM running on my
> MacBookPro to give a Linux audio demonstration to our local LUG and seem
> to be getting the best performance from Fedora 10 extended with CCRMA.
> Tried ArtistX, Ubuntu Studio, JAD, and Musix too, and just upgraded to
> Parallels 4.0 with significant improvement in functionality and
> performance, but that was after setting up Fedora 10 and deleting the
> others so I don't know if any of them would leapfrog and wind up in a
> better position than they occupied under Parallels 3.0.
> Anyway, if any MacBook or other OS X user has found an optimal
> configuration for running Linux audio in a Parallels VM (and I know
> that's not how you'd do critical audio work), I'd appreciate any tips
> you might pass my way. Currently, I'm using built-in input and output
> set in OS X's preferences and for the VM, and in jack 1024 frames/period
> with 4 periods/buffer in RT.
> Folks at this WNYLUG (wnylug.org) here in Western New York are quite
> interested in virtualization technology as well as audio work so I'd
> like to be able to give them a good look at both.
I'd go a little further than Lee did. This is a *crazy* way to demo "linux
audio" to anyone.
Either demo JACK to them, natively on OS X, or demo Linux & JACK. Nobody who
actually cares about
this stuff is going to run in a VM, so the demo is pretty meaningless in
terms of showing people "what can be done".
(current) VM's are great for software that isn't locked into an intimate
relationship with actual hardware. its far from clear when (if ever) they
will be suitable for something like JACK which locked into a very intimate
relationship with the audio h/w.
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