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Date:      Mon, 19 Jun 2000 15:54:08 -0700
From:      Alfred Perlstein <bright@wintelcom.net>
To:        John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Cc:        arch@FreeBSD.ORG
Subject:   Re: kblob discussion.
Message-ID:  <20000619155408.E17420@fw.wintelcom.net>
In-Reply-To: <20000619153634.24385@hydrogen.funkthat.com>; from gurney_j@efn.org on Mon, Jun 19, 2000 at 03:36:34PM -0700
References:  <20000619125345.H26801@fw.wintelcom.net> <3249.961452627@localhost> <20000619151809.C17420@fw.wintelcom.net> <20000619153634.24385@hydrogen.funkthat.com>

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* John-Mark Gurney <gurney_j@efn.org> [000619 15:36] wrote:
> Alfred Perlstein scribbled this message on Jun 19:
> > * Jordan K. Hubbard <jkh@zippy.osd.bsdi.com> [000619 15:10] wrote:
> > > > It doesn't bother you at all that cdrom.com can push 100mbit
> > > > and support 6000 users on FreeBSD but Joe Average FreeBSD User
> > > > can't because the hacks used aren't available?
> > > 
> > > Huh?  What makes you think that cdrom.com uses "special hacks" to get
> > > its performance?  Have you actually talked to David Greenman about
> > > this lately?
> > 
> > I'm quite sure cdrom.com has at least a kernel address space hack.
> 
> didn't dg already commit these fixes to the source tree:
> dg          1999/03/11 10:28:47 PST
> 
>   Modified files:
>     sys/i386/conf        Makefile.i386 kernel.script
>     sys/i386/include     pmap.h
>   Log:
>   Increased kernel virtual address space to 1GB. NOTE: You MUST have fixed
>   bootblocks in order to boot the kernel after this! Also note that this
>   change breaks BSDI BSD/OS compatibility.
>   Also increased default NKPT to 17 so that FreeBSD can boot on machines
>   with >=2GB of RAM. Booting on machines with exactly 4GB requires other
>   patches, not included.

Last I heard, cdrom.com uses 2gigs of kernel virtual address space.

And what part of:

 "Booting on machines with exactly 4GB requires other patches, not included"

didn't you understand?

-Alfred


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