[LAU] Realtime, but many xruns when jack is started. Debian Etch
ken at restivo.org
Sun Sep 30 12:23:19 EDT 2007
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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:
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.
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