Dan Debertin <airboss@nodewarrior.org>  wrote:
 > Herb Peyerl writes:
 > 
 >  > 
 >  > Have you tried "speed=1" just for grins?
 > 
 > A dangerous suggestion, as it turns out:
 > 
 > Waiting for reader process to fill input buffer ... input buffer ready.
 > cd0(esp0:3:0): esp0: timed out [ecb 0xf04270d0 (flags 0x103, dleft 0, stat 0)], <state 1, nexus 0x0, phase(l 10, c 100, p 3), resid 0, msg(q 0,o 0) >
 > panic: esp0: invalid state: 6
 > syncing disks... done


umm.... I think it's a safe bet that 'speed=1' didn't cause that panic.

I would look closely at your scsi bus. Terminators, cable length, etc. If 
you have any active terminators, try plugging one in and seeing if that
changes the world for you.