On Mon, 2006-05-08 at 20:14 +0200, Florian Paul Schmidt wrote: > On Mon, 8 May 2006 12:03:34 -0500 > "Josh Lawrence" <hardbop200@xxxxxxxxx> wrote: > > > On 5/7/06, Dana Olson <dana@xxxxxxxxxxxxxxxx> wrote: > > > Did you bother reading the rest of the stuff on my site? Or did you just > > > stop reading once you got to the kernel part? The kernel is only one > > > part of it, and even that is optional if you get acceptable performance > > > without Ingo's patch. > > > > > > Here is a hint: > > > http://www.ubuntustudio.com/wiki/index.php/Breezy:Studio_Preparation#Real-Time_Support > > > > fyi, I've followed Dana's instructions more than once and found them > > to be excellent. Just use a little common sense when following them > > (there are newer versions of the kernel and the patch out) and you'll > > be fine. > > > > As Dana mentioned, there's a LOT more to getting realtime working than > > just the kernel - be sure to read everything there. > > I browsed over that page and didn't find any info on setting up the irq > handler priorities which is _the_ essential feature of -rt. You should look at the rtirq startup script by Rui Nuno Capela: http://www.rncbc.org/jack/ I use it successfully to get everything prioritized right automagically. Jack itself should be below the priority of the soundcard interrupt as set by rtirq. -- Fernando