[linux-audio-user] realtime problems

[bubar]

Le lundi 7 août 2006 18:14, vous avez écrit :
> bubar said:
> >> I had this error with Rosegarden and rebuilt my kernel with HZ=1000.
> >> Rosegarden still complains. What could I be doing wrong?
> >
> > are you sure you are in audio group ?
>
> Yes, certain.
>
> > and second, forget to turn off the hpet kernel option ?
>
> Never heard of that, I'll look it up.
>
> > finally, on which kernel ? (in 2.6.17, the Mr Gleixnar & Mr Molnar clock
> > time
> > patch make clock near one nanosecond, and add the tickless stuff, too.)
> > http://marc.theaimsgroup.com/?l=linux-kernel&m=115064343409061&w=3
> > (note in RT patch from Molnar, there is another clock stuff i thing. So
> > we dont need this one)
>
> From gentoo pro-audio overlay, rt-sources 2.6.16-29-rt
>
> >> uname -a indicates I am running the newly built kernel, and I've checked
> >> my .config to prove I saved the setting. Maybe there is a way to query
> >> the
> >> running kernel for the value of HZ?
> >
> > cat /proc/asound/timers ?
>
> You reminded me. I did do that, it says 1000.
>
> > here is : cat /proc/sys/kernel/osrelease
> > 2.6.17-rt8
> > (gcc 4.1.1, xorg 7.1, nvidia blob, RT configs, all ok)
> > note : i am new on the list, but i love archives :)
>
> Not at my computer just now... I am thinking this might be a rosegarden
> problem and not a kernel problem.

yes it is very possible !
here is RoseGarden R4 v1.2.3 (and complain on 250hz, dont complain on 1000hz)

regards
yvan