From owner-freebsd-fs@FreeBSD.ORG  Thu Oct  6 10:45:04 2011
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id BB0F21065672
	for <freebsd-fs@FreeBSD.org>; Thu,  6 Oct 2011 10:45:04 +0000 (UTC)
	(envelope-from avg@FreeBSD.org)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id C77C08FC15
	for <freebsd-fs@FreeBSD.org>; Thu,  6 Oct 2011 10:45:03 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
	[212.40.38.101])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id NAA00490;
	Thu, 06 Oct 2011 13:44:51 +0300 (EEST)
	(envelope-from avg@FreeBSD.org)
Message-ID: <4E8D86A2.1040508@FreeBSD.org>
Date: Thu, 06 Oct 2011 13:44:50 +0300
From: Andriy Gapon <avg@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
	rv:7.0.1) Gecko/20111003 Thunderbird/7.0.1
MIME-Version: 1.0
To: Henri Hennebert <hlh@restart.be>
References: <4E8D7406.4090302@restart.be>
In-Reply-To: <4E8D7406.4090302@restart.be>
X-Enigmail-Version: undefined
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-fs@FreeBSD.org, current@FreeBSD.org
Subject: Re: zfsloader 9.0 BETA3 r225759 - i/o error - all block copies
	unavailable
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 06 Oct 2011 10:45:04 -0000

on 06/10/2011 12:25 Henri Hennebert said the following:
> Hello all,
> 
> I upgrade from 9.0-BETA2 to 9.0-BETA3 (r225759) and when booting from a zpool I get:
> 
> ZFS: i/o error - all block copies unavailable
> can't open '/boot/menu.rc': no such file or directory.
> 
> I pxe boot mfsbsd 8.2-RELEASE + zfs v28
> 
> then:
> 
> mkdir /rpool
> zpool import -R /rpool rpool
> mount -t zfs rpool/boot /mnt
> mv /mnt/boot/menu.rc /mnt/boot/Menu.rc
> cp /mnt/boot/Menu.rc /mnt/boot/menu.rc
> umount /mnt
> 
> shutdown -r now
> 
> and the next boot run smoothly...

Does your root fs have compression enabled?

> PS.
> I have to boot from pxe because after the i/o error, the kernel was booted but
> encounter a double fault. I try 5 times with the same result.
> 
> I think that on my configuration only the kernel without ACPI encouter this trap.

I think that you should try to gather and report more information about the panic
(separately).

-- 
Andriy Gapon