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

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Message-ID: <20120912085140.GA12277@aftab.osrc.amd.com>
Date:	Wed, 12 Sep 2012 10:51:40 +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 Tue, Sep 11, 2012 at 06:02:01PM -0500, Josh Hunt wrote:
> On 09/11/2012 05:52 PM, Josh Hunt wrote:
> >With recent kernels we noticed that edac was reporting double the memory size on
> >systems running with AMD family 0Fh processors. I'm not very familiar with the
> >code, but this resolves it from what I can see on my systems. At least in
> >amd64_debug_display_dimm_sizes() and k8_dbam_to_chip_select() there appeared
> >to be redundant shifts to the left by 1 when WIDTH_128 is present.

Any chance you could enable CONFIG_EDAC_DEBUG, boot and send me your
whole dmesg? Privately is fine too.

Thanks.

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Boris.

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