linux-kernel - Re: [PATCH] amd64_edac: Memory size reported double on processor family 0Fh

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Message-ID: <20120921151054.GB28597@aftab.osrc.amd.com>
Date:	Fri, 21 Sep 2012 17:10:54 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Josh Hunt <johunt@...mai.com>
Cc:	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] amd64_edac: Memory size reported double on processor
 family 0Fh

On Fri, Sep 21, 2012 at 09:54:09AM -0500, Josh Hunt wrote:
> So this is correct now:
> root@....x.x:/sys/devices/system/edac/mc/mc0# grep . csrow*/size_mb
> csrow0/size_mb:1024
> csrow1/size_mb:1024
> csrow2/size_mb:1024
> csrow3/size_mb:1024

Ok, that's the same box where free reports 4G. Btw, it is in dmesg too:

[    0.000000] TOM2: 0000000112000000 aka 4384M

> But this is not:
> root@....x.x:/sys/devices/system/edac/mc/mc0# grep . size_mb
> 8192
> 
> Attached patch seems to resolve reading size_mb from the mc in
> sysfs. I'm also attaching the new dmesg.

Yes, looks good. Will add it to my queue.

Thanks.

-- 
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Boris.

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