ralf, often a clock reset after my xruns has been the only opt I used with kxstudio 10.04.02.. am not yet running 11.04 ken
On Mon, Jun 6, 2011 at 6:46 AM, Robert Klaar <nim.b...@gmail.com> wrote: > Out of curriosity, my soundcard's got a clock, could I get jack tyo use > this one instead? > > > On Mon, Jun 6, 2011 at 10:31 AM, Ralf Mardorf > <ralf.mard...@alice-dsl.net>wrote: > >> On Mon, 2011-06-06 at 11:16 +0900, Takashi Sakamoto wrote: >> > Hi, >> > >> > I use Echo Audiofire Pre 8 and worried about JACK's rondom XRUN. >> > Fortunately I have a friend who is Linux-based system engineer and ask >> > him this issue. Then he gave me two solutions. >> > >> > 1. see IRQ in /proc/interrupts >> > 2. use HPET as system clock source >> >> I'm using HPET when ever possible. Note that HPET is very problematic, >> you'll run out of free HPET devices very soon. IMO at the moment it only >> can be used as alsa seq timer, if you try using it with Jack, you are >> limited to the HPET devices that are available, each application needs >> it's own HPET device. >> >> If you should use Jack1, than try Jack2. On my machine Jack1 never >> worked. >> >> To enable HR-timer/HPET run >> >> sudo chgrp audio /dev/hpet >> sudo chmod g+rw /dev/hpet >> sudo modprobe snd-hrtimer >> >> $ jackd --help >> [ --clocksource OR -c [ c(ycle) | h(pet) | s(ystem) ] >> >> Hth, >> >> Ralf >> >> >> >> -- >> Ubuntu-Studio-users mailing list >> Ubuntu-Studio-users@lists.ubuntu.com >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users >> > > > -- > Ubuntu-Studio-users mailing list > Ubuntu-Studio-users@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users > >
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