Date: Mon, 3 Dec 2001 20:01:13 +0100 From: "Koster, K.J." <K.J.Koster@kpn.com> To: 'Wilko Bulte' <wkb@freebie.xs4all.nl> Cc: "'freebsd-alpha@freebsd.org'" <freebsd-alpha@FreeBSD.ORG> Subject: RE: as2100 saga continues: memory trouble? *sigh* Message-ID: <59063B5B4D98D311BC0D0001FA7E452205FDA180@l04.research.kpn.com>
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Dear Wilko,
>
> > When I type "show memory" on the monitor prompt I see that
> > I have one memory
> > board with 128MB (which is good) but it also says "bad
> > pages 4096" (which I
> > suspect is bad). I cannot remove the one board, for obvious
> > reasons.
>
> You are in deep sh* ...
>
Yeah, I was just in denial. Thanks for slapping me out of it.
>
> I had a similar AS2100A memory problem and while VMS is smart
> enough to not use the bad pages, FreeBSD is not as smart. You
> will need to get a working memory board.
>
Ok.
I know that the topic of in-kernel bad RAM testers/ignorers has been flogged
to death repeatedly. I distinctly remember arguing that they are
unneccessary when you always buy memory boards in pairs. Stung by my own
ignorance.
Suppose that I know the bad memory range, any way of telling FreeBSD not to
use it? Perhaps abuse the option ROM device to claim that memory range for
itself?
>
> [who now regrets having canned the AS2100A]
>
Grr... :)
Kees Jan
=====================================================
You can't have everything. Where would you put it?
[Steven Wright]
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