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From: Borislav Petkov <bp@amd64.org>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	Doug Thompson <dougthompson@xmission.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [EDAC-AMD64] Display correct RAM sizes in ganged mode on F10 CPUs
Date: Thu, 3 Feb 2011 18:58:45 +0100	[thread overview]
Message-ID: <20110203175845.GC26261@aftab> (raw)
In-Reply-To: <20110203172539.GA1581@gentoo.trippels.de>

On Thu, Feb 03, 2011 at 12:25:39PM -0500, Markus Trippelsdorf wrote:
> Looks good, many thanks Boris.
> 
> EDAC amd64: F10h detected (node 0).
> EDAC MC: DCT0 chip selects:
> EDAC amd64: MC: 0:  1024MB 1:  1024MB
> EDAC amd64: MC: 2:  1024MB 3:  1024MB
> EDAC amd64: MC: 4:     0MB 5:     0MB
> EDAC amd64: MC: 6:     0MB 7:     0MB
> EDAC MC: DCT1 chip selects:
> EDAC amd64: MC: 0:  1024MB 1:  1024MB
> EDAC amd64: MC: 2:  1024MB 3:  1024MB
> EDAC amd64: MC: 4:     0MB 5:     0MB
> EDAC amd64: MC: 6:     0MB 7:     0MB

Ok thanks, will add your Tested-by: too.

> BTW another thing, while I have your attention:
> 
> cat /sys/devices/system/edac/mc/mc0/csrow0/edac_mode
> prints "S4ECD4ED" aka Chipkill on my system.
> But I'm using a revision C Phenom that only supports a x4 symbol size,
> while the Kingston ECC DIMMs have a width of x8. So according to
> table 77 (page 174) of the "BIOS and Kernel Developer’s Guide" the
> system is actually running in SECDED mode and does not provide Chipkill.

Yeah, that table needs to be implemented for proper csrow->edac_mode
assignment. I'll try to get it done soon.

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

      reply	other threads:[~2011-02-03 17:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-29 21:15 [EDAC-AMD64] Display correct RAM sizes in ganged mode on F10 CPUs Markus Trippelsdorf
2011-02-01 18:51 ` Borislav Petkov
2011-02-01 19:27   ` Markus Trippelsdorf
2011-02-03 15:17     ` Borislav Petkov
2011-02-03 15:59       ` Markus Trippelsdorf
2011-02-03 16:36         ` Borislav Petkov
2011-02-03 16:42           ` Markus Trippelsdorf
2011-02-03 17:09             ` Borislav Petkov
2011-02-03 17:25               ` Markus Trippelsdorf
2011-02-03 17:58                 ` Borislav Petkov [this message]

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