linux-kernel - Re: 2.6.38.8 kernel bug in XFS or megaraid driver with heavy I/O load

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Message-Id: <201110241845.44463@zmi.at>
Date:	Mon, 24 Oct 2011 18:45:41 +0200
From:	Michael Monnerie <michael.monnerie@...it-management.at>
To:	xfs@....sgi.com
Cc:	jesper@...gh.cc, Christoph Hellwig <hch@...radead.org>,
	aradford@...il.com, linux-kernel@...r.kernel.org
Subject: Re: 2.6.38.8 kernel bug in XFS or megaraid driver with heavy I/O load

On Montag, 17. Oktober 2011 jesper@...gh.cc wrote:
> Over the weekend, we have run memtest for 4 hours (50% of the
> complete tests according to memtest) and it didnt find anything.

This is a bit OT, but you *must* run at least one full loop of memtest 
in order to have significant output. I've had PCs that only broke on 
test 7, and sometimes even a PC could run 2-3 loops before a bad bit was 
found on the 4th loop or so. Only if there's a nasty error, like a 
physically broken mainboard, you'll gets errors quickly.

Despite that, I think your problem is not memory based, as you said you 
use ECC, and I'd believe you've turned on background scrubbing.

-- 
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc

it-management Internet Services: Protéger
http://proteger.at [gesprochen: Prot-e-schee]
Tel: +43 660 / 415 6531

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