[LAU] Jack problem?

[torbenh]

On Mon, Jan 31, 2011 at 04:15:09PM +0100, Gabbe Nord wrote:
> I got the same errors using the 2.6.32 (or maybe it was .33) kernel, does
> that matter?

sort of.
please check, whether
ulimit -r 
gives you a value different from 0.

if you get 0, your limits.conf is wrong.
maybe your using 100 in it. that doesnt work. use 99

if ulimit -r gives you 99, then your probably having a problem with
cgroups.
it should be sufficient to have CREATE_DEFAULT=NO
in /etc/default/cgconfig 

> 
> On Mon, Jan 31, 2011 at 4:38 PM, linuxdsp <mike at linuxdsp.co.uk> wrote:
> 
> > Gabbe Nord wrote:
> >
> >> Hello guys!
> >>
> >> I'm trying out the pianoteq-trail, which is awesome! But I get pretty bad
> >> performance, and when I start the app I get this error-msg:
> >>
> >> Midi thread could not acquire real-time scheduling, error 1 -- Operation
> >> not permitted
> >> Midi thread could not acquire real-time scheduling, error 1 -- Operation
> >> not permitted
> >> Midi thread could not acquire real-time scheduling, error 1 -- Operation
> >> not permitted
> >> Jack error: Cannot use real-time scheduling (RR/5)(1: Operation not
> >> permitted)
> >> Jack error: AcquireRealTime error
> >> Multi-core: could not acquire real-time scheduling, error 1 -- Operation
> >> not permitted
> >>
> >> Do you guys have any idea what the problem might be? Googling it has given
> >> me nothing so far! I have both my username and the groupname "audio" setup
> >> properly in limits.conf (rtprio, nice and so on) via a tutorial I found a
> >> while back. I'm using ubuntu studio 10.04 but with the latest
> >> 2.6.38-1-generic kernel.
> >>
> >> Best regards!
> >>
> >>
> >> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
> >> Linux-audio-user mailing list
> >> Linux-audio-user at lists.linuxaudio.org
> >> http://lists.linuxaudio.org/listinfo/linux-audio-user
> >>
> >
> > Perhaps it has something to do with this:
> >
> > http://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg2710524.html
> >
> >
> >

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> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-user


-- 
torben Hohn