From owner-freebsd-fs@FreeBSD.ORG  Tue Nov 15 19:31:41 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 C826A1065670
	for <freebsd-fs@freebsd.org>; Tue, 15 Nov 2011 19:31:41 +0000 (UTC)
	(envelope-from freebsd-fs@m.gmane.org)
Received: from lo.gmane.org (lo.gmane.org [80.91.229.12])
	by mx1.freebsd.org (Postfix) with ESMTP id 8261A8FC0A
	for <freebsd-fs@freebsd.org>; Tue, 15 Nov 2011 19:31:41 +0000 (UTC)
Received: from list by lo.gmane.org with local (Exim 4.69)
	(envelope-from <freebsd-fs@m.gmane.org>) id 1RQOjK-0007Zo-7E
	for freebsd-fs@freebsd.org; Tue, 15 Nov 2011 20:31:38 +0100
Received: from ib-jtotz.ib.ic.ac.uk ([155.198.110.220])
	by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-fs@freebsd.org>; Tue, 15 Nov 2011 20:31:38 +0100
Received: from jtotz by ib-jtotz.ib.ic.ac.uk with local (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-fs@freebsd.org>; Tue, 15 Nov 2011 20:31:38 +0100
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-fs@freebsd.org
From: Johannes Totz <jtotz@imperial.ac.uk>
Date: Tue, 15 Nov 2011 19:31:25 +0000
Lines: 34
Message-ID: <j9uemd$t17$1@dough.gmane.org>
References: <j9udn2$lqj$1@dough.gmane.org>
	<CAOjFWZ4ayuCbfdXrvDg7nX4CduV5dQjP1+Z5ZDWr1PCd8HC5hA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: usenet@dough.gmane.org
X-Gmane-NNTP-Posting-Host: ib-jtotz.ib.ic.ac.uk
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64;
	rv:8.0) Gecko/20111105 Thunderbird/8.0
In-Reply-To: <CAOjFWZ4ayuCbfdXrvDg7nX4CduV5dQjP1+Z5ZDWr1PCd8HC5hA@mail.gmail.com>
Subject: Re: zfs: panic on import
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: Tue, 15 Nov 2011 19:31:41 -0000

On 15/11/2011 19:24, Freddie Cash wrote:
> On Tue, Nov 15, 2011 at 11:14 AM, Johannes Totz<jtotz@imperial.ac.uk>wrote:
>
>> I get a lovely panic everytime i try to import my pool.
>>
>> panic: page fault
>> ...
>> #5 ... calltrap
>> #6 ... zio_vdev_io_start
>> #7 ... zio_execute
>> #8 ... zio_ioctl
>> #9 ... zio_flush
>> #10 ... vdev_config_sync
>> #11 ... spa_sync
>> #12 ... txg_sync_thread
>> #13 ... fork_exit
>> #14 ... fork_trampoline
>>
>> This is for a funky config in which one half of a zfs-mirror sits on a
>> local gpt partition and the other half on a local file on a ufs volume
>> (dont ask why).
>>
>> The machine is running a 8.2-stable, compiled on 5th Sept 2011.
>>
>> Maybe r226617 fixed this?
>> Any idea how to get it back alive?
>>
>
> Have you tried "import -F" or to import it readonly?

Same panic.

Also, I can delete/rename the second-half-on-ufs of the mirror but that 
gets me the same panic; instead of just a degraded pool.