linux-kernel - Re: amd64 sata_nv (massive) memory corruption

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Date:	Fri, 1 Aug 2008 22:06:33 -0500
From:	"Linas Vepstas" <linasvepstas@...il.com>
To:	"John Stoffel" <john@...ffel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: amd64 sata_nv (massive) memory corruption

2008/8/1 John Stoffel <john@...ffel.org>:

> Linas> -- system is amd64 dual core, ASUS M2N-E mobo, 4GB RAM
> Linas>    Northbridge is nVidia Corporation MCP55 Memory Controller
> Linas>    (rev a3)
>
> Are you running the latest BIOS?  As I recall, my motherboard is an
> M2N-SLI Deluxe, which is slightly different from yours.

Its recent. I bought the thing only some number of months ago.
The basic mobo design is 2-3 years old, though, its not bleeding edge,
it was meant to be a conservative, stable, functional choice.
I'd hope that they'd have things like this debugged by now. Sigh.

> Linas> Also of note:
> Linas> -- problem was observed earlier, when system had 3GB RAM in it.
>
> What did you do to upgrade to 4gb of ram?  Just pull the second pair
> of 512mb DIMMs and put in fresh 1gb DIMMs?  I've got a pair of 2gb
> DIMMs in my box.  I suspect you are seeing memory problems of some
> sort.

No See other email. memtest86 passes fine, the system has been in
heavy use as a compute server on large datasets. No problems at all,
spotless record. I've beeb manipulating multi-gigabyte files just fine
on the IDE disk, without any corruption at all. I can move them
around on NFS, too. They only get corrupted in the SATA disk,
where its immediate and widespread, and takes less than a minute
to occur.

> Next, I'd upgraded the BIOS to the latest release, and then reset the
> BIOS to the factory default or safe settings to see if that helps.

I'll give tht a whirl. Bios settings are still at factory defaults, I had no
reason to mess with them.

--linas
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