[linux-audio-user] Low latency kernel on Mandrake

Robert Jonsson robert.jonsson at dataductus.se
Sun Nov 2 16:28:48 EST 2003

söndagen den 2 november 2003 17.40 skrev Joe Button:
> I thought that _ought_ to be the case but I was suspicious because of the
> /proc/sys/kernel/lowlatency thing and also because I get very noticeable
> audio dropouts when I do things like task-switch. jackd doesn't report
> xruns though.
> Am I correct in thinking that if I start jackd as root I don't need to use
> -R or jackstart or anything to get good performance? At the moment I think
> I'm using jackd -d alsa -d hw:0 -p 512 (although that's in a script on my
> other PC so I might be mis-remembering).

No, it's the other way around. -R is only available when you run as root, or 
with "root capabilities". 
It is not possible to get good performance without running with -R.


> Cheers.
> On Sunday 02 November 2003 4:01 pm, Austin wrote:
> > Hi,
> > All Mandrake mm kernels have at least the low latency and pre-emption
> > patch, and the version you are running (2.4.22-21mdk) also has the
> > sched(0) patch.
> >
> > Austin

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