From owner-freebsd-hackers@FreeBSD.ORG  Thu Sep  5 22:46:48 2013
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From: =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= <olivier@cochard.me>
Date: Fri, 6 Sep 2013 00:46:27 +0200
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Subject: Re: [RFC][CFT] GEOM direct dispatch and fine-grained CAM locking
To: Alexander Motin <mav@freebsd.org>
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On Thu, Sep 5, 2013 at 11:38 PM, Alexander Motin <mav@freebsd.org> wrote:
> I've found and fixed possible double request completion, that could cause
> such symptoms if happened. Updated patch located as usual:
> http://people.freebsd.org/~mav/camlock_patches/camlock_20130905.patch
>

Good catch!
this new patch (applied to r255188) fix the problem on my laptop.

Thanks,

Olivier