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Date:      Tue, 20 Nov 2012 17:06:03 +0200
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Andrei Lavreniyuk <andy.lavr@gmail.com>
Cc:        freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org
Subject:   Re: problem booting to multi-vdev root pool
Message-ID:  <50AB9C5B.6030006@FreeBSD.org>
In-Reply-To: <CAGMwN0zH0E9Shi3zDKdYU2Wywm_dTJmeh8rttr8KOVJAN_EwBw@mail.gmail.com>
References:  <CAGMwN0w=2c3v3UhxD65brukA%2BgbvF1a76WnqtfSv94u7VwR1Jg@mail.gmail.com> <50AB5202.4070906@FreeBSD.org> <CAGMwN0waaykfqvjE4Ua8J9zFLT=bDKJBFz1YKFEe2D9HJLMzpg@mail.gmail.com> <50AB71A7.7050101@FreeBSD.org> <CAGMwN0wPtcO_YzEkbx7WyQfE0juUhouX27h-qmZ39EhU9tgu6A@mail.gmail.com> <50AB80C6.1090507@FreeBSD.org> <CAGMwN0xhLVjuHMP_o4N%2BD4CRUoQTuj0cy6HZFOrun8K8medMXQ@mail.gmail.com> <50AB8C1F.2040108@FreeBSD.org> <50AB90E9.5070102@FreeBSD.org> <CAGMwN0zH0E9Shi3zDKdYU2Wywm_dTJmeh8rttr8KOVJAN_EwBw@mail.gmail.com>

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on 20/11/2012 16:59 Andrei Lavreniyuk said the following:
>>> Sorry to make you jump through so many hoops.
>>> Now that I see that the probed config is entirely correct, the problem appears to
>>> be quite obvious: vdev_alloc is not able to properly use spa_version in this
>>> context because spa_ubsync is not initialized yet.
>>>
>>> Let me think about how to fix this.
>>
>> I hope that the following simple patch should fix the problem:
>> http://people.freebsd.org/~avg/spa_import_rootpool.version.diff
> 
> 
>   At mount system trap and reboot.
> 

Unexpected.  Can you catch the backtrace of the panic?
If you have it on the screen.


-- 
Andriy Gapon



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