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
