On 14/10/2007, Florian Schmidt < mista.tapas@gmx.net> wrote:

On Sunday 14 October 2007, porl sheean wrote:
> i have actually had no end of trouble with ubuntustudio's (and now
> ubuntu's) rt kernel. on an amd 6000+ system with 1gig ram and a rme9652
> soundcard i can't get reliable performance under 40 or so ms. i even tried
> a vanilla kernel with the rt patches and had the same trouble. the 64studio
> kernel worked fine, however. i'm currently running at 5ms with it and have
> had no problems. this is even with compiz fusion running and spinning the
> cube whilst playing back audio from an 18 channel ardour project. what
> patches would cause such a difference in performance? it isn't any options
> selected in 'make menuconfig' - i loaded the 64studio's ones in and used
> them. still no luck. i can only assume they have added more patches to do
> with realtime performance than just the -rt patchset. any ideas?

Hi,

let us see the output of this script on your ubuntu RT box with jackd running:

http://tapas.affenbande.org/rt-setup-report.sh

Thanks,
Flo

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http://tapas.affenbande.org