Re: [linux-audio-user] rlimit problem on opensuse 10.0 - maybe first part of a solution

From: Burkhard Ritter <burkhard.ritter@email-addr-hidden-mail.uni-wuerzburg.de>
Date: Thu Jan 12 2006 - 20:19:28 EET

On Wed, Jan 11, 2006 at 11:24:49PM +0100, Thomas Kuther wrote:
[...]
> Hi people!
>
> I finally got pam rt rlimits working, using pam 0.78 + rlimits patch on
> a gentoo system. Jack starts fine in realtime. rt-lsm not loaded.
>
> But there are some questions i'd like to ask, well.. one that is. And i
> think this might also be the issue mentioned here.
>
> all docs around the net tell that one has to set following in
> limits.conf:
> @audio - memlock 250000
> @audio - nice -10
> @audio - rtprio 100
>
> ..or @audio whatever. now i also got that unknown item 'rtprio' on
> login from pam.
>
> looking at the patch i found the following:
>
[...]
> now even i'm not a coder, rtprio is infact called rt_priority! that
> seems dokumented wrong in limits.conf on opensuse
[...]
>
> Maybe that helps some people here! If i got something wrong please
> excuse and correct me. At least here it now all seems to work out fine
> and also audio apps can now use more than 15% cpu, which is set as
> default value in the patch.
>
> Best regards
> Tom
>

I was under the impression that the developers of pam changed this when
they merged in the patch. So yes, with the patch it is rt_priority (and
that is what I am still using and what works), but with pam > 0.80 it
should be rtprio. (You can browse the source code at sourceforge to
convince yourself.) Why this does not work on Suse (which has pam
>= .80, to the best of my knowledge) I don't know.

Burkhard
Received on Fri Jan 13 04:15:04 2006

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