On 07/02/2013 08:27 PM, Robin Gareus wrote: > On 07/02/2013 07:49 PM, Harry van Haaren wrote: >> On Tue, Jul 2, 2013 at 5:53 PM, Fero Kiraly <fero.kiraly@xxxxxxxxx> wrote: >>> I have some troubles - read xruns - with this setup: >> There's a lot more to removing Xruns from a system than just the kernel and >> JACK settings (although they are very important :) > > * linux 3.2.35-2 PREEMPT RT > (debian's RT kernel recompiled with VSL1818 clock selector fix added) > * jackd 1.9.10 (git) > * Rui's rtirq script > * jackd with -p64 -n2 (actually jackdbus) Hi Robin, So with and USB2.0 audio interface like the 181VSL using -n2 yields a stable setup too, no need anymore to use -n3? > * presonus 1818VSL > > -> very reliable no x-runs > >> Known things that need to be done: >> -Interrupt requests of your hardware must be prioritized (rtirq script >> helps here) >> -Interrupt thread handlers (on RT kernel) must be prioritized >> -Thread priorities must be checked for JACK itself > > +1, +1, +1 > >> Some other things to look into are: >> -CPU scaling (causes Xruns here, although others say it works fine) > > no problem here w/freq scaling. I have disabled C1E halt states and EIST > in the Bios, though. > I have yet to encounter a BIOS that has these options. Regards, Jeremy _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user