On Wed, Oct 15, 2003 at 02:37:28AM -0000, scotte@warped.com wrote:
> fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
> atapibus0 at atabus0: 2 targets
> atapibus0 drive 0: <_NEC DV-5700A, , 1.91> cdrom removable not configured

In fact it may be related to the "not configured" here.
It paniced on my sparc64 in this case.
Please try wdc.c 1.140 and atapi_wdc.c 1.59

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--