[PlanetCCRMA] kernel 2.6.14 and Alsa 1.0.10 for FC3

Mark Knecht markknecht@gmail.com
Fri Nov 18 22:03:01 2005

On 11/18/05, Fernando Lopez-Lezcano <nando@ccrma.stanford.edu> wrote:
> I'm running 2.6.14-0.7.rrt.rhfc4.ccrma and alsa 1.0.10 right now, but
> I'm not sure if I want to mess everybody else's machines as well :-)
> -- Fernando
> [*] long answer: each cpu has its own timer and apparently they can
> drift from each other as time goes by... Jack hops from processor to
> processor depending on how things are scheduled, if it is in the same
> processor from which it originally got the initial "time reference" all
> is fine, if it is on the other processor eventually the time measurement
> goes wrong and you get warnings that have no basis - lots of them. One
> suggested "solution" is to pin jackd to one of the processors but that
> is just a hack IMHO. Another would be to use a different timing source,
> there is one but that one is more expensive in processor cycles.
> Probably the only acceptable solution I've heard so far...

So this only effects SMP and HT machines? It does not effect UMP?

Have a great weekend,