[linux-audio-user] Ardour, Jack, and 2.6 kernels

Hi, I'm working on setting up my box for recording with ardour+jack and I've been having trouble getting consistent two-channel recordings with 2.6 kernels (2.6.1-mm4, 2.6.3-mm4, 2.6.5-mm6). Things will go along fine for a variable length of time (but not enough to record a full song), then ardour will simply stop. This is usually associated with a quite long xrun (> 20 ms) - there aren't any other xruns happening. Recording under a 2.4.23 kernel with the low latency patches seems to work fine (I suppose I should just stick with that, but it would be nice to be running a current kernel). Additional info: 1) Dual 400 MHz PII, 0.5G RAM, 4 drive SCSI software RAID-0 2) Openbox (cut CPU load from 20% with Gnome to below 10% when running ardour) 3) ext3 filesystem 4) Ensonic AudioPCI ES1371 5) I also tried the irqprio patch for the 2.6.3 kernel mentioned on this list a while back to set the irq priority for the sound card high I get the impression that there is a sporatic event that is causing the unusually long xrun. If anyone has any ideas, I would greatly appreciate advice on how to track this down (reiserfs, maybe?). Thanks! Joel