I have also been experiencing strange lockups with 2.4.23 while playing
audio. Hardware is a dual Celeron and a Creative Labs SB Live. As I was
working in X when this happened I did not even try SysRQ. Strange side
effect: audio playback entered a seemingly infinite loop when this
happened.

Tom

-- 
  T h o m a s   Z e h e t b a u e r   ( TZ251 )
  PGP encrypted mail preferred - KeyID 96FFCB89
       mail pgp-key-request@hostmaster.org

Chemists don't die, they just stop to react.