From owner-freebsd-fs@FreeBSD.ORG  Sat Sep 10 09:46:54 2011
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Date: Sat, 10 Sep 2011 12:46:50 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: freebsd-current@FreeBSD.org, freebsd-fs@FreeBSD.org,
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Cc: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Subject: Re: ZFS: i/o error - all block copies unavailable after upgrading
 to r225312
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on 10/09/2011 11:07 Andriy Gapon said the following:
> Actually, removing either -mrtd _or_ -fno-unit-at-a-time produces the correct
> code.  Puzzled.

The problem is reproducible with base gcc and gcc42, it is not reproducible with
gcc45, gcc46 and clang.

-- 
Andriy Gapon