On Jun 17, 2006, at 4:53 PM, Chuck Silvers wrote:

> that's one part, the other is in the xy/xd drivers where it requires
> that the disk unit number be a function of the controller unit number
> (and there's some stuff in sun3/autoconf.c that knows that hard-wired
> mapping as well).

Would the xy / xd drivers in sys/dev/vme also have that problem?

I think that disk unit / controller unit foo is to enable you to  
power the drive up after boot and open it without rebooting (a sort  
of deferred autoconfiguration).

-- thorpej