linux-kernel - Re: [PATCH 1/3] mce: Add a msg string to the MCE tracepoint

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Message-ID: <20120229121914.GD21224@aftab>
Date:	Wed, 29 Feb 2012 13:19:14 +0100
From:	Borislav Petkov <bp@...64.org>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
Cc:	Borislav Petkov <bp@...64.org>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Tony Luck <tony.luck@...el.com>, Ingo Molnar <mingo@...e.hu>,
	EDAC devel <linux-edac@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] mce: Add a msg string to the MCE tracepoint

On Wed, Feb 29, 2012 at 09:04:46AM -0300, Mauro Carvalho Chehab wrote:
> Not all information is packed in the record. The record packs only what it
> is inside the MCE registers. However, for certain errors, it is needed to
> parse other hardware registers to decode the error (for example, on Sandy
> Bridge, the MCE registers don't contain the affected dimms).

If SB is not using MCA to report the error, it should use either a
generic TP like the trace_hw_error() example I gave last week, or rather
a TP which matches the hw registers of the reporting hardware scheme.

-- 
Regards/Gruss,
Boris.

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