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

[Nigel Henry]

On Sunday 30 September 2007 18:23, Ken Restivo wrote:
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> On Sun, Sep 30, 2007 at 04:02:47PM +0200, Nigel Henry wrote:
> > On Debian Etch, using kernel 2.6.18-5-686, which I presume is a realtime
> > one, as when I start jack with qjackctl, and with the realtime box
> > checked, jack doesn't complain.
> >
> > Looking at messages though, shows lots of xruns, although no music apps
> > are being used.
> >
> > I had this problem on Fedora 7. I'd installed the low latency kernel, and
> > associated packages from planetccrma, and again jacks messages were
> > showing lots of xruns. There was an updated pam that came with the kernel
> > download, which left an /etc/security/limits.conf.rpmnew, and Fernando
> > suggested adding the changes to the existing file, as the default setup
> > for
> > jack-audio-connection-kit in the limits.conf file set rtprio at 20.
> >
> > That resolved the problem on Fedora 7. No more messages about xruns.
> >
> > I tried the same few lines, as below, in the limits.conf file in Etch,
> > but to no success, and there are no default priorities for jack there
> > anyway.
>
> I advise running sid, or testing, not etch.
>
> My notes from the experience are here:
>
> http://www.restivo.org/blog/archives/119
>
> http://www.restivo.org/blog/archives/113
>
> I've been told that testing is a reasonable alternative to sid, now that it
> has usefully-current versions of many of the key audio packages.
>
> - -ken

Hi Ken. I do run Lenny as well, but am trying to resolve the realtime problem 
on both Etch, and Lenny.

Nigel.

btw: I will check out your blogs.