Re: [LAU] Realtime, but many xruns when jack is started. Debian Etch

From: Nigel Henry <cave.dnb@email-addr-hidden>
Date: Tue Oct 02 2007 - 01:48:28 EEST

On Monday 01 October 2007 19:30, Marcos Guglielmetti wrote:
> El Lunes, 1 de Octubre de 2007 23:45, Nigel Henry escribió:
> | On Monday 01 October 2007 01:42, Marcos Guglielmetti wrote:
> | > Hi, also you can add Musix GNU/Linux's repositories (debian/etch
> | > compatible)
> | >
> | > # /etc/apt/sources.list Musix GNU+Linux
> | > deb ftp://musix.ourproject.org/pub/musix/deb/ ./
> | >
> | > So you can install rt kernels on you Debian/ECTH, and upgrade Ardour
> | > to 2.1, jackd to 0.103...
> | >
> | > regards
> |
> | Sorry for replying to my previous reply with everything now snipped.
> |
> | I've downloaded, and installed kernel 2.6.21rt4, 2.6.21.5rt18, and
> | rtirq, but am still getting xruns when starting jackd in qjackctl. An
> | xrun about every 3 secs, and that's with no music apps being used.
> |
> | Is there anything else I need to do to get zero xruns when starting
> | jackd?
> |
> | Do I need to edit /etc/security/limits.conf for example, as I had to do
> | for Fedora 7?
>
> Yes: sure!
>
> @audio - rtprio 99
> @audio - nice -10
> @audio - memlock 4000000
>
> | As default this file has everything commented out in Etch,
>
> Bad for jackd...
>
> | but this file in Fedora 7 already had some lines for
> | jack-audio-connection-kit set up as default, but only with a rtprio of
> | 20. The updated pam that came down when installing the planetccrma low
> | latency kernel, left a limits.conf.rpmnew with higher priorities. I
> | added these to the existing limits.conf file, commenting out the
> | defaults, and now when starting jack on Fedora 7, I have zero xruns.
>
> Fine

> | Nigel.

Thanks Marcos. I'll add those lines to limits.conf

btw: Do you have a GPG key for your repo? If so, where do I find it. I looked
on your main site, but couldn't find it.

Nigel.
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Received on Tue Oct 2 04:15:02 2007

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