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Date: Thu, 17 Nov 2011 02:21:20 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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To: Johannes Totz <jtotz@imperial.ac.uk>
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Cc: freebsd-fs@FreeBSD.org
Subject: Re: zfs: panic on import
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on 17/11/2011 01:53 Johannes Totz said the following:
> On 16/11/2011 18:40, Johannes Totz wrote:
>> On 16/11/2011 17:50, Freddie Cash wrote:
>>> On Wed, Nov 16, 2011 at 9:47 AM, Johannes Totz<jtotz@imperial.ac.uk>
>>> wrote:
>>>
>>>> Does anybody have a very recent FreeBSD live cd/dvd image that I
>>>> could try?
>>>>
>>>
>>> The FreeBSD 9.0 install CD is a LiveCD. The first screen gives you the
>>> option of starting the installer or dropping to a shell.
>>>
>>> 9.0-RC2 CDs are available on ftp://ftp.freebsd.org and should be
>>> available
>>> on most mirrors by now.
>>>
>>
>> Ah thanks for the pointer, I always get lost navigating the ftp sever...
>>
>> But, same panic unfortunately (transcribbled):
>>
>> current process: txg_thread_enter
>> 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 PR http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/155587 seems related. I
> also offlined the file-vdev before the machine crashed. Now it panics on import.
> And I don't get any dump either...


Perhaps the following commit might help you
http://svnweb.freebsd.org/base?view=revision&revision=226617

-- 
Andriy Gapon