linux-kernel - Re: BUG: Bad page state in process md1

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Message-ID: <180f4e6e9dca4be3527469e106c6e6b4.squirrel@neil.brown.name>
Date:	Sun, 3 May 2009 19:53:30 +1000 (EST)
From:	"NeilBrown" <neilb@...e.de>
To:	"Anssi Kolehmainen" <anssi@...tzu.net>
Cc:	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org
Subject: Re: BUG: Bad page state in process md1_resync  pfn:50ab4

On Sun, May 3, 2009 5:44 pm, Anssi Kolehmainen wrote:
> Last night one server died apparently while doing resync of 1.5Tb md
> raid1 array. Syslog [1] contained messages about BUG: Bad page state but
> something else killed the system. Too bad the start of the stack trace
> didn't fit in the monitor [2] so I don't know the exact cause for the
> final freeze.
>
> The machine is rather old desktop PC serving disks over NFS and Samba.
> Apart from failing Seagate drives everything has worked fine for few
> weeks and this is the first time this occured. Any thoughts of the BUG
> or is there anything else you would like to know?

This a known problem  it is fixed in 2.6.29.2 released just recently.

My apologies that it wasn't caught before .29 was released.

NeilBrown

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