From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: martin f krafft <madduck@madduck.net>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: How to interpret MCE messages?
Date: Wed, 08 Nov 2006 16:29:13 +0000 [thread overview]
Message-ID: <1163003354.23956.43.camel@localhost.localdomain> (raw)
In-Reply-To: <20061108162022.GA4258@piper.madduck.net>
Ar Mer, 2006-11-08 am 17:20 +0100, ysgrifennodd martin f krafft:
> Thanks to mcelog, I am now regularly seeing messages like this on an
> amd64 machine:
>
> kernel: Machine check events logged
> bit46 = corrected ecc error
> Data cache ECC error (syndrome 5b)
Cache.. not memory
> memory/cache error 'data read mem transaction, data transaction, level 2'
L2 Cache
> Before I go out and buy a new motherboard (as I assume that it's
> a L1/L2 cache problem),
L1/L2 cache are on the CPU these days. Double check with the processor
docs and vendor but I think mcelog is actually trying to tell you that
the CPU wants to be warranty returned. It might also of course be a heat
problem.
next prev parent reply other threads:[~2006-11-08 16:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-08 16:20 martin f krafft
2006-11-08 16:29 ` Alan Cox [this message]
2006-11-08 23:12 ` martin f krafft
2006-11-15 9:27 ` martin f krafft
2006-11-17 23:27 ` dean gaudet
2006-11-09 4:11 ` Valdis.Kletnieks
2006-11-11 4:31 ` Mark Rosenstand
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