We had a similar problem sime time ago with a Dell server.  Adding the devices 
to the ServerWorks case statement in /usr/src/sys/arch/i386/pci/pchb.c fixed 
it.  Assuming, of course, that the devices in question are using a 
ServerWorks chipset.

Sverre


On Monday 13 January 2003 02:47, Petter Lindquist wrote:
> On Mon, 13 Jan 2003, Manuel Bouyer wrote:
> > > ahc1 at pci6 dev 6 function 0: unable to map registers
> > > ahc2 at pci6 dev 6 function 1: unable to map registers
> >
> > This is a known problem, and I think it has been fixed.
> > Could you try a boot floppy from
> > ftp://releng.netbsd.org/pub/NetBSD-daily/netbsd-1-6/200301060000/i386
> > and if it doesn't work
>
> My own sources where newer than that..
>
> > ftp://releng.netbsd.org/pub/NetBSD-daily/current/200301110000/i386
>
> Didn't map anything more than my own attempt. :(