[LAT] presonus firebox and 2.6.31-9-rt gives tons of xruns

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To: <linux-audio-tuning@...>
Date: Tuesday, May 18, 2010 - 10:45 am

hello,
this is my first post here.

I'm using pure-dyne 9.11 (with kernel 2.6.31-9-rt) and a Presonus Firebox.
For some reasons, I cannot use this FW soundcard with jack as I have *a
lot* of xruns (1 every 2 or 3 seconds).
I asked for help on the puredyne mailing-list but it seems that nobody
knows where this problem comes from (it was working perfectly fine with
an older puredyne version which was debian-based).

I was told to install the package ffado-debus-server but it didn't help.

here are my jackd settings:
jackd -P 70 -R -P89 -p512 -dfreebob -dhw:0 -r44100 -p1024 -n3 -D

in my /etc/security/limits.conf:
@audio - rtprio 90
@audio - nice -15
@audio - memlock unlimited

I have another usb soundcard which does work fine with jack (and alsa
driver) but it has no inputs, etc, it's a pain not to be able anymore to
use the Firebox.

any help would be greatly appreciated !!

cheers,
_yvan
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Messages in current thread:
[Linux-audio-tuning] test, MarcOChapeau, (Sun Jul 27, 11:34 am)
[LAT] hello, dyne:bolic -rt and freeeee, jaromil, (Wed Sep 10, 2:06 pm)
[LAT] BIOS and IRQ, Grammostola Rosea, (Wed Nov 26, 8:55 pm)
[LAT] Setting up a performance synth, David McClanahan, (Wed Jan 13, 9:55 pm)
[LAT] We're back online !, Marc-Olivier Barre, (Thu Apr 22, 8:10 pm)
[LAT] presonus firebox and 2.6.31-9-rt gives tons of xruns, yvan volochine, (Tue May 18, 10:45 am)
[LAT] Document on using Jack Apps, Arvind Venkatasubramanian..., (Sat Jul 31, 10:23 pm)
[LAT] rt kernel 2.6.39, Emanuel Rumpf, (Sun May 29, 11:56 am)
[LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 11:02 am)
[LAT] 3.x kernel, Emanuel Rumpf, (Wed May 2, 8:48 pm)
Re: [LAT] 3.x kernel, Robin Gareus, (Wed May 2, 8:51 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 11:25 am)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 11:55 am)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 12:03 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 12:23 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 1:50 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 2:13 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Sun Oct 30, 2:19 pm)
Re: [LAT] To much latency, Dave Stikkolorum, (Sun Oct 30, 2:39 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Mon Oct 31, 11:59 am)
Re: [LAT] To much latency, Dave Stikkolorum, (Tue Nov 1, 4:17 pm)
Re: [LAT] To much latency, Jeremy Jongepier, (Wed Nov 2, 5:34 pm)
Re: [LAT] To much latency, Rafael Vega, (Tue Nov 1, 12:25 am)
Re: [LAT] To much latency, Daniel James, (Tue Nov 1, 10:04 am)
Re: [LAT] To much latency, Rafael Vega, (Thu Nov 3, 12:33 pm)
Re: [LAT] To much latency, email.rafa@gmail.com, (Thu Dec 22, 2:50 pm)
Re: [LAT] rt kernel 2.6.39, Robin Gareus, (Sun May 29, 1:43 pm)
Re: [LAT] rt kernel 2.6.39, Emanuel Rumpf, (Sun May 29, 2:39 pm)
Re: [LAT] rt kernel 2.6.39, Robin Gareus, (Mon May 30, 3:52 pm)
Re: [LAT] Document on using Jack Apps, Daniel James, (Tue Aug 3, 6:48 pm)
Re: [LAT] [LAU] Are RT-patches needed anymore? (Was Re: &gt;..., Lars-Erik Helander, (Mon Feb 2, 8:53 am)
Re: [LAT] [LAU] Are RT-patches needed anymore? (Was Re: &gt;..., Fernando Lopez-Lezcano, (Mon Feb 2, 6:35 pm)