On Apr 7, dbsaint@bellsouth.net wrote
> Ive been getting some strange messages upon boot. I dont think UDMA is w
> orking every boot . actually sometimes my cdrom is not even detected. As the
> first example depicts this. Notice no cd0 !!

Did you notice if this is related to the media present in the drive, if any ?
Could you try to bump the delay() in sys/dev/scsipi/atapi_wdc.c:
        /* Some ATAPI devices need a bit more time after software reset. */
	delay(5000);

5000 is 5 milliseconds. Maybe 100 or 200ms would be enouth ...

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--