> ahc0: Issued Channel A Bus Reset #1. 1 SCBs aborted
> cd0(ahc0:6:0):  Check Condition on opcode 0x47
>     SENSE KEY:  Unit Attention
>     ASC/ASCQ:  Power On, Reset, or Bus Device Reset Occurred
> 
> Eventually, if I keep trying this, the machine will hang.  Anyone
> ever seen this before?

I repeatedly encountered SCSI bus reset problem in current ahc driver.
I'm now trying to port the FreeBSD's latest ahc driver to NetBSD.
(No, the "latest" doesn't mean CAM version, but julian's SCSI version.)

I have done only half, but I'm get busy with house moving and etc...
mmm...
--
soda