Re: [LAD] Any package builders here?

On Wed, 2011-06-01 at 18:10 +0200, Ralf Mardorf wrote:
> On Wed, 2011-06-01 at 07:27 -0400, Paul Davis wrote:
> > On Wed, Jun 1, 2011 at 5:50 AM, Ralf Mardorf <ralf.mardorf@email-addr-hidden-dsl.net> wrote:
> > > Hi :)
> > >
> > > could you please add a dependency to audio/MIDI app packages for your
> > > distros, that will set up real-time usage?
> > >
> > > The following issue is wide spread:
> > >
> > > -------- Forwarded Message --------
> > > > Be sure you are able to run audio apps with the right
> > > privileges, eg.
> > > > add your user to the "audio" group in /etc/groups and check
> > > > out /etc/security/limits.conf for these lines
> > > > @audio - rtprio 100
> > > > @audio - nice -10
> >
> > for the n-hundreth time: nice has no role to play in improving the
> > performance of pro-audio/music creation software.
>
> You'll read such 'help' thousands of times when you're subscribed to
> regular distro users mailing lists or on non-audio Linux forums.
>
> I always post http://www.jackaudio.org/linux_rt_config when I read such
> recommendations.
>
> Since people usually are using Jack by a package, when thy use real-time
> audio apps IMO it's ok to include it to a Jack package, anyway, IMO
> there should be a dependency setting without nice and with memlock.
>
> I just want to inform about this issue. Coders and package builder might
> not be informed about what happens on non-audio users lists and forums.
>
> FWIW very often there are recommendations to _avoid_ a kernel-rt, since
> a distros 'default', 'desktop', 'generic' kernel should have the same
> capabilities and the kernel-rt should have disadvantages. The resume
> then could be, that people wonder, that they can't use Linux for complex
> audio sessions.

Alas, the stock Debian kernel these days does *not* use "Low Latency
Desktop" :(

I don't know if derivatives have followed suit or not...

-dr

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Received on Wed Jun 1 20:15:04 2011