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Re: Can't boot with 550K of memory


From: Thierry Laronde
Subject: Re: Can't boot with 550K of memory
Date: Thu, 8 Mar 2001 20:42:19 +0100
User-agent: Mutt/1.0.1i

On Thu, Mar 08, 2001 at 06:02:55PM +0100, Jochen Hoenicke wrote:
> On Mar 8, Thierry Laronde wrote:
> > On Thu, Mar 08, 2001 at 03:29:00PM +0100, Krzysztof Leszczynski wrote:
> > > Hi,
> > 
> > Hello,
> > > 
> > > I'm sorry if this is a FAQ but I browsed the whole 4MB
> > > bug-grub.mbox and didn't find any answer.
> > > 
> > > I use pxegrub with ALLWELL network client, it reports
> > > (550K lower / 317744K upper memory), when I tried to tftp a
> > > bzImage it says the kernel is too big. I found in grub/stage2/boot.c
> > 
> > Be careful. If your bzImage is in fact a modified bzImage (via etherboot
> > mknbi or another program), the organization of the image is different, and
> > GRUB thinks that it is a "small Linux" intended to be installed in low mem.
> 
> But the 608K limit also applies for big linux images.  Even for them
> the linux setup area must be loaded to address 0x90000 which lies
> outside the 550KB usable memory.

OK, I have focused on one part of the question, because I had the same
symptoms with a normal 640Ko low mem with the "kernel is
too big" message. Sorry.

-- 
Thierry LARONDE <address@hidden>
10, rue du Bel Air, 74000 ANNECY - FRANCE/ Tel : 33.(0)4.50.67.46.61
/home du SDF (Site Debian Francophone) : http://sdf.polynum.org/



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