On Friday 19 January 2007 01:38, Carlo Capocasa wrote:
Hi there!
My first big success since I bought my BeBoB based audio interface: It
works! :)
I used the beautiful little audio distribution called ASork by Johan
Mattson, which really embodies everything I could ever expect from a
linux audio distribution. I expanded its use to Freebob and I will be
feeding my experience back to Johan, so expect a perfectly usable live
cd with the option of Debian installation with the power of Freebob!
I am working to get the thing absolutely, rock solid stable to the point
you can use your consumer-end PC as a live instrument and I will be
testing it on road conditions. As of now, every few minutes or so, I
experience a one-second XRun. I would like to invite anyone with
expertise in eliminating XRuns and increasing Jack's performance to
reply with measures I could take.
Here are the exact circumstances:
* ASork is a Morphix based LiveCD with realtimed kernel
* I am using version 0.04, with the kernel of 0.02, due
to a bug that causes a hard lockup (mouse pointer won't
move, must hard reset system) when starting Jack with the
Freebob backend. That is kernel 2.6.15 with the realtime
patch; at this time it is unknown to me whether Johan
applied other patches or whether they might be relevant.
* ASork 0.04 is installed to disk, and expanded which
packages from the Debian Sid repository, along with the
FreeBob and Freebobified Jack packages from Debian Experimental.
* there is a line 'none tmpfs /tmp/jack defaults 0 0' in /etc/fstab
What can I do to make my system absolutely foolproof realtime?
Have you tuned your irq setup?
Read my little page on the subject
http://tapas.affenbande.org/wordpress/?page_id=40
It's a little disorganized, but might be helpful..
Flo
BTW: should we create the ONE linux low latency guide at linuxaudio.org? The
existing ones are mostly concerned with 2.4 kernels and other stuff from the
last millenium :)
--
Palimm Palimm!
http://tapas.affenbande.org