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Date:      Sat, 10 May 2003 00:26:22 -0700 (PDT)
From:      Don Lewis <truckman@FreeBSD.org>
To:        tlambert2@mindspring.com
Cc:        current@FreeBSD.org
Subject:   Re: data corruption with current (maybe sis chipset related?)
Message-ID:  <200305100726.h4A7QMM7039660@gw.catspoiler.org>
In-Reply-To: <3EBC8E40.69A472BC@mindspring.com>

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On  9 May, Terry Lambert wrote:
> Chris BeHanna wrote:

>>     And, why aren't Bosko's patches in the tree?
> 
> I don't know.  I do know that they increased the minimum memory
> requirements by 4M (part of Bosko's approach to a fix requires
> linking the kernel with a base address aligned on a 4M boundary).

How hard would it be to make this a compile time option?  Small memory
machines are unlikely to want to use 4 MB pages anyway.  In other words
a configuration option that would disable 4 MB pages and put the kernel
at its current location when set one way, and would enable 4MB pages and
relocate the kernel on a 4 MB boundary when set the other way.

I really dislike our default configuration of a little bit more speed at
the expense of data integrity.  If that's what I really wanted, I could
probably get even more speed by overclocking.



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