linux-kernel - Re: [PATCH 3/3] ie31200

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Message-ID: <5345980F.7070604@akamai.com>
Date:	Wed, 09 Apr 2014 14:57:19 -0400
From:	Jason Baron <jbaron@...mai.com>
To:	Borislav Petkov <bp@...en8.de>
CC:	"Luck, Tony" <tony.luck@...el.com>,
	Aristeu Rozanski <aris@...hat.com>,
	"hpa@...or.com" <hpa@...or.com>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"dougthompson@...ssion.com" <dougthompson@...ssion.com>,
	"m.chehab@...sung.com" <m.chehab@...sung.com>,
	"mitake@....info.waseda.ac.jp" <mitake@....info.waseda.ac.jp>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] ie31200_edac: Add driver

On 04/09/2014 01:36 PM, Borislav Petkov wrote:
> On Wed, Apr 09, 2014 at 05:17:53PM +0000, Luck, Tony wrote:
>> The E3-12xx processors connect out to a different (desktop) chipset
>> from the E5 (server parts). Perhaps that means the memory controller
>> are different too???
> 
> You gotta love how Intel has a different memory controller for server
> and desktop parts. :-)
> 

Right, so maybe the fact that its a desktop chipset means that it behaves
differently and doesn't raise MCEs on memory errors. We have a bunch
of these processors and we haven't yet seen an MCE raised on a memory
error.

> Btw, is that the official memory controller name you'd like the edac
> driver to be called - ie31200? I'm asking because it should probably
> have a name which denotes the memory controller and not the processor
> series... (who knows, we might find that memory controller built in
> somewhere else :-))
> 
> Thanks.
> 

The reason I went with ie31200 is that afaiu the memory controller
hub is integrated into the cpu. Another alternative might be ie312xx?

Thanks,

-Jason

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