[linux-audio-user] Real-time kernel

Chuckk Hubbard badmuthahubbard at gmail.com
Thu Nov 30 05:44:36 EST 2006


On 11/29/06, Frank Barknecht <fbar at footils.org> wrote:
> Hallo,
> Chuckk Hubbard hat gesagt: // Chuckk Hubbard wrote:
>
> > Forgot to mention I'm using Debian.  Great, though, this page was the
> > first thing I tried.  It worked as far as booting the kernel, but my
> > latency was horrible.  I have read that the patches mentioned in it
> > are considered obsolete, and that simply having libpam patched to be
> > rlimits-aware is sufficient.  I have some libpam files for i386, but
> > I'm on AMD64 now and I'm not sure what to do.
>
> You don't seem to have a way to let jackd run with elevated
> priority yet. This should be your first priority, because even with a
> realtime kernel you will get horrible latencies, unless you fix that.
> (IMO not a lot of people really need a RT-patched kernel nowawadays.)
>
> So you should first install *and configure* a rtlimits-enables libpam
> or use the set_limits command line app to start jackd, if you cannot
> find one. But Ubuntu should have a libpam even for AMD64. (Btw: Do you
> really want to run AMD64?)

I am Linux-challenged.  How to configure a rtlimits-enabled libpam is
another one of those things I just cannot locate online.



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