From owner-freebsd-hackers@FreeBSD.ORG  Mon May 16 19:18:21 2011
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 846E3106566C
	for <freebsd-hackers@freebsd.org>; Mon, 16 May 2011 19:18:21 +0000 (UTC)
	(envelope-from yanegomi@gmail.com)
Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com
	[209.85.212.54])
	by mx1.freebsd.org (Postfix) with ESMTP id 38C178FC12
	for <freebsd-hackers@freebsd.org>; Mon, 16 May 2011 19:18:20 +0000 (UTC)
Received: by vws18 with SMTP id 18so4593013vws.13
	for <freebsd-hackers@freebsd.org>; Mon, 16 May 2011 12:18:20 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=domainkey-signature:mime-version:in-reply-to:references:date
	:message-id:subject:from:to:cc:content-type;
	bh=+3doIIys2PBH05Oa7aKNdmt9pm3HNMJqjJvG8yIkAPk=;
	b=gMY42iWo3Xaw2gZwZerCyr+9vkVhe/vs8/kUM0fA0mW/8G1saw4ng3/wU+yBASpsQd
	JpSTrOA3dy80ts0WIBlv3nsW5Io7Qt1FHgHy6ZERk90CdCOX2YKS/CQE/pitw1V5EAxZ
	GqmMunLytXB41qVh+Y/5Hr72TEssmwT9dYFNM=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:cc:content-type;
	b=ugvHcfKfT23Q7XpJTFLZue7YLRR7IPrk8LmRrrSIRqqiNDROY1NUcRdxbMtifh+xTn
	9jrbpqNtA6HcCMI50/ff5sChARssq9HXSedSfazD5vkRcbUKzD8yxZG2cb4BuFKT4Tmv
	AiHrDvaLSaOAqayUx1R1dLmo3dGATPAjo6ylU=
MIME-Version: 1.0
Received: by 10.220.247.139 with SMTP id mc11mr1376915vcb.107.1305573500006;
	Mon, 16 May 2011 12:18:20 -0700 (PDT)
Received: by 10.220.188.202 with HTTP; Mon, 16 May 2011 12:18:19 -0700 (PDT)
In-Reply-To: <20110516.183617.687.1@DEV>
References: <20110516.183617.687.1@DEV>
Date: Mon, 16 May 2011 12:18:19 -0700
Message-ID: <BANLkTikVs4_DYzeut17h9Z3Op9PhrQ6Viw@mail.gmail.com>
From: Garrett Cooper <yanegomi@gmail.com>
To: rank1seeker@gmail.com
Content-Type: text/plain; charset=ISO-8859-1
Cc: freebsd-hackers@freebsd.org
Subject: Re: MD ROOT and image size limitation (makes kernel panic)
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 16 May 2011 19:18:21 -0000

On Mon, May 16, 2011 at 11:36 AM,  <rank1seeker@gmail.com> wrote:
> I have a 4 GB or ram, so why kernel panic with my MD ROOT, if larger then
> ~40 MB?
> I've tried to split up root in 20MB image and usr in 160 MB
> Via loader.conf root becomes md0 and usr md1 and panic occurs even when
> they are split
>
> I had to get rid of md1, to be able to boot with md0 as a root.
>
> What exactly imposes limitation, inside kernel's code to SIZE of an image?
> My hardware definatelly isn't ...
>
> Is this different on amd64?
> I've tested this, only with i386.

Screenshot please?
Thanks,
-Garrett