linux-kernel - Re: [EDAC-AMD64] Display correct RAM sizes in ganged mode on F10 CPUs

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Date:	Tue, 1 Feb 2011 19:51:15 +0100
From:	Borislav Petkov <bp@...64.org>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"Petkov, Borislav" <Borislav.Petkov@....com>,
	Doug Thompson <dougthompson@...ssion.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [EDAC-AMD64] Display correct RAM sizes in ganged mode on F10
 CPUs

On Sat, Jan 29, 2011 at 04:15:31PM -0500, Markus Trippelsdorf wrote:
> The EDAC_AMD64 module displays only half the actual memory size, when
> RAM is running in ganged mode on F10 CPUs. Fix this by moving the the
> conversion factor check out of the if block, where it is never reached.
> 
> With this patch:
> 
> Unganged: 
>  amd64: DRAM ECC enabled.
>  EDAC amd64: F10h detected (node 0).
>  EDAC amd64: using x4 syndromes.
>  EDAC MC: DCT0 chip selects:
>  kernel: EDAC amd64: MC: 0:  1024MB 1:  1024MB
>  kernel: EDAC amd64: MC: 2:  1024MB 3:  1024MB
>  kernel: EDAC amd64: MC: 4:     0MB 5:     0MB
>  kernel: EDAC amd64: MC: 6:     0MB 7:     0MB
>  kernel: EDAC MC: DCT1 chip selects:
>  kernel: EDAC amd64: MC: 0:  1024MB 1:  1024MB
>  kernel: EDAC amd64: MC: 2:  1024MB 3:  1024MB
>  kernel: EDAC amd64: MC: 4:     0MB 5:     0MB
>  kernel: EDAC amd64: MC: 6:     0MB 7:     0MB
>  kernel: EDAC amd64: MCT channel count: 2

Hmm, can you send me your whole dmesg without your patch, dmidecode
output and the exact model of your DIMMs.

Thanks.

-- 
Regards/Gruss,
Boris.

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