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Date:	Fri, 12 Jul 2013 16:19:24 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Borislav Petkov <bp@...en8.de>
CC:	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Ming Lei <tom.leiming@...il.com>, Linda Walsh <lkml@...nx.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Doug Thompson <dougthompson@...ssion.com>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>
Subject: RE: BUG: key ffff880c1148c478 not in .data! (V3.10.0)

> What would be a reasonable maximum limit for the number of memory
> controllers, on a -EX machine?

Westmere-EX has one memory controller per socket ... and there are glueless systems up to 8 sockets.  So 8 there. Not sure if any OEM is building larger machines with a node controller (SGI? Not sure if they build their behemoths from -EP or -EX parts).

Ivy Bridge ups the ante with two memory controllers on a socket. So plan on doubling soon.

-Tony
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