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Date:      Mon, 01 May 2000 20:49:56 -0700
From:      "Jordan K. Hubbard" <jkh@zippy.cdrom.com>
To:        Jonathan Lemon <jlemon@flugsvamp.com>
Cc:        "Jordan K. Hubbard" <jkh@zippy.cdrom.com>, Greg Lehey <grog@lemis.com>, Jonathan Lemon <jlemon@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/lib/libstand ext2fs.c 
Message-ID:  <14636.957239396@localhost>
In-Reply-To: Your message of "Mon, 01 May 2000 14:28:40 CDT." <20000501142840.D43222@prism.flugsvamp.com> 

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> On Mon, May 01, 2000 at 12:16:02PM -0700, Jordan K. Hubbard wrote:
> > > It allows us to see linux partition types, and load from them;
> > > I should be able to boot a freebsd kernel and memory image from
> > > a pure linux box, although I've only used it to load the kernel
> > > at this point.
> > 
> > Can we use ext2fs as a root filesystem?  I would really like that. :)
> 
> The code is there, but I don't believe we can use linux' init.

You wouldn't use linux's init - you'd drop a chunk of FreeBSD's
bindist into, say, /freebsd, and then do something like this:

	set rootdev=/dev/da1s3
	set rootdir=/freebsd
	load da3s3:/freebsd/kernel
	boot

(not actual size - I don't remember all the exact variable name and
dev:namespec format syntax).

> It would be nice if there was a way to provide a few files so that
> Linux users could "upgrade" their kernel to FreeBSD while using their
> existing system.

You'd want to provide a /freebsd and /usr/freebsd hierarchy,
basically, to give them a way of booting between the two operating
systems with full functionality in each but without causing massive
perturberation to their existing Linux system.

- Jordan


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