linux-kernel - MD-raid broken in 2.6.37.3?

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Message-ID: <20110309090622.GA3570@localhost>
Date:	Wed, 9 Mar 2011 10:06:22 +0100
From:	Johan Hovold <jhovold@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>, NeilBrown <neilb@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: MD-raid broken in 2.6.37.3?

Hi Greg and Neil,

I updated from 2.6.37.2 to 2.6.37.3 yesterday only to find that my
raid-0 partitions are no longer recognised. The raid-1 ones still are,
though. They did not show up after a reboot. (It has happened once
fairly recently that these exact partitions were not recognised but a
reboot fixed it -- blamed my disks.)

Today I mistakenly booted into 2.6.37.3 again -- still missing. No
problems with 2.6.37.2.

Browsing the changelog I found f663ed60892c3e1d4490b079a45d9e546271c40c
(md: Fix - again - partition detection when array becomes active) and
other md-related changes so I figure one of these could perhaps be to
blame?

As it is my personal/production machine I feel uncomfortable bisecting
this at this point, but maybe Neil has an idea of what might be going
on?

Thanks,
Johan
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