Subject: Re: NetBSD/arm32 fails to boot with RISCOS 4
To: Dave Daniels <Davedan@arcade.demon.co.uk>
From: Neil A. Carson <neil@causality.com>
List: port-arm32
Date: 08/30/1999 21:01:10
Dave Daniels wrote:

> As I mentioned above, I ran into a problem with NetBSD when I
> tried to return to RISCOS. What happened was that when RISCOS
> booted all of the CMOS RAM settings had been restored to their
> factory defaults. This happened three times after three boots of
> NetBSD. I cannot say for sure that NetBSD was responsible but the
> finger does seem to point in its direction. If, like me, you have
> an early RiscPC with the Cumana CD ROM drive and RISCOS 4, this
> problem is not funny. I will investigate this problem and let
> people know what I find.

AFAIR, NetBSD stores an auto reboot setting in CMOS RAM in the old
RiscIx bits I think. Maybe RISC OS Ltd have added a CMOS checksum, and
when RiscBSD tweaks the bit, it doesn't check? This would be an instant
thought. What happens if you just halt instead of reboot?

	Neil