From owner-freebsd-stable@FreeBSD.ORG  Tue Aug 14 09:54:52 2012
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From: Gavin Atkinson <gavin@FreeBSD.org>
To: Maksim Yevmenkin <maksim.yevmenkin@gmail.com>
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Date: Tue, 14 Aug 2012 10:41:51 +0100
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Cc: stable@FreeBSD.org, current@FreeBSD.org
Subject: Re: geom mirror now rebuilding on every reboot?
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On Mon, 2012-08-06 at 08:34 -0700, Maksim Yevmenkin wrote:
> Michael,
> 
> > Something in -current and recently MFC'd to -stable is causing all of my
> > gmirror drives to rebuild on reboot :-(
> >
> > Being remote and these being production machines, I suspect SVN r237929
> > and r237930 in -current and SVN r238500 to -stable but haven't yet been
> > able to prove it.
> >
> > Is anyone else seeing this?
> 
> yes, i've seem something similar only much, much worse. one of our
> production systems completely kept loosing its gmirror volumes on
> every reboot. it looked like gmirror metadata were completely
> corrupted. rebuilding mirrors and reverting back to previous kernel
> seemed to work. someone else is tracking it down.

Have they managed to track this down to a commit or range of commits
yet?

Thanks,

Gavin