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Re: [Xen-devel] xen,bproc and grub

To: Adam Sulmicki <adam@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] xen,bproc and grub
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 02 Nov 2004 00:05:18 +0000
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx, Ian.Pratt@xxxxxxxxxxxx
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> > We wrote a patch to add multiboot support to kexec (that's how
> > Xenoboot works).  It was submitted to the kexec maintainer, but I
> > don't know whether it was accepted or not.
> heh, a small world. I assume this is the patch you refer to (and that it
> is the latest one)
> http://www.tjd.phlegethon.org/software/kexec-multiboot.patch


> given all options the kexec is probably the best pick since in a way it
> would be direct replacement to "Two Kernel Monte" that I'm using right
> now.

kexec is definitely an improvement over TKM. We've still seen
problems with some drivers refusing to work without a reset
e.g. aacraid.
> > One tool that might be useful is something to take an image (and
> > one or more modules) and roll it into something that looks like a
> > static multiboot layout, then wrap it to look line a linux
> > kernel.
> yeah, it sounds like a neat idea. for this matter, does it have to look
> like kernel? making it an simple elf image would be somewhat simpler, and
> still work with many boot loaders. If nothing else, an intermediate step.

I guess so. When I originally thought of the tool the idea was to
be able to use pxeboot. It might also be handy for isolinux too,
though the iso patch to grub works pretty well, unless you have
ancient hardware. 


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