On Sun, 2006-06-18 at 12:33 -0400, I. E. Smith-Heisters wrote:
  On 6/17/06, Lee Revell <rlrevell(a)joe-job.com>
wrote:
 It's probably a sound driver bug.  This HDA intel crap is really getting
 to be a nightmare.  It seems like sound is broken on every other new
 laptop. 
 Strange, Intel is no nice with OSS video drivers..
  
I don't think the video driver has anything at all to do with this.
Can you post the output of "dmesg" after trying JACK in realtime mode?
Lee