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From: Borislav Petkov <bp@amd64.org>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Borislav Petkov <bp@amd64.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Linux Edac Mailing List <linux-edac@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/6] Add a per-dimm structure
Date: Thu, 15 Mar 2012 12:31:15 +0100	[thread overview]
Message-ID: <20120315113115.GA32149@aftab> (raw)
In-Reply-To: <4F61496D.8030000@redhat.com>

On Wed, Mar 14, 2012 at 10:44:13PM -0300, Mauro Carvalho Chehab wrote:
> As I said, that is easy to implement. The hard part would be what to do with
> the per-csrow/per-branch error counters that exist currently at EDAC.
> 
> From my side, I'm OK to remove them, but, as I said before, existing user tools
> use them,

What are you talking about? Those per-rank counters should be the same
as the per-csrow ch0 and ch1 counters...

> especially because UE errors aren't per-rank/per-dimm on the
> typical case (128 bits cacheline).

It depends - if the 128 bit word comes from a single DIMM (unganged
mode) then you have a per-rank UE.

> Of course, the EDAC logic could increment multiple UE error counters
> in such case, (meaning that an error happened on either one of the
> affected DIMMs/Ranks) but this is a different behavior than the
> current API.

Well, the API should be changed to accomodate such configurations.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551

  reply	other threads:[~2012-03-15 11:31 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-07 11:40 [PATCH 0/6] Add a per-dimm structure Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 1/6] edac: Create a dimm struct and move the labels into it Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 2/6] edac: Add per dimm's sysfs nodes Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 3/6] edac: move dimm properties to struct memset_info Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 4/6] edac: Don't initialize csrow's first_page & friends when not needed Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 5/6] edac: move nr_pages to dimm struct Mauro Carvalho Chehab
2012-03-07 11:40 ` [PATCH 6/6] edac: Add per-dimm sysfs show nodes Mauro Carvalho Chehab
2012-03-08 21:57 ` [PATCH 0/6] Add a per-dimm structure Borislav Petkov
2012-03-09 10:32   ` Mauro Carvalho Chehab
2012-03-09 14:38     ` Borislav Petkov
2012-03-09 16:40       ` Mauro Carvalho Chehab
2012-03-09 18:47         ` Borislav Petkov
2012-03-09 19:46           ` Mauro Carvalho Chehab
2012-03-11 11:34             ` Borislav Petkov
2012-03-11 12:32               ` Mauro Carvalho Chehab
2012-03-12 16:39                 ` Borislav Petkov
2012-03-12 17:03                   ` Luck, Tony
2012-03-12 18:10                     ` Borislav Petkov
2012-03-13 23:32 ` Greg KH
2012-03-14 19:35   ` Mauro Carvalho Chehab
2012-03-14 20:43     ` Greg KH
2012-03-14 22:20       ` Mauro Carvalho Chehab
2012-03-14 23:32         ` Greg KH
2012-03-15  2:22           ` Mauro Carvalho Chehab
2012-03-15 15:00             ` Greg KH
2012-03-14 22:31       ` Borislav Petkov
2012-03-14 22:40         ` Greg KH
2012-03-15  1:37           ` Mauro Carvalho Chehab
2012-03-15  1:44         ` Mauro Carvalho Chehab
2012-03-15 11:31           ` Borislav Petkov [this message]
2012-03-15 12:40             ` Mauro Carvalho Chehab
2012-03-15 21:38               ` Borislav Petkov
2012-03-16  8:47                 ` Mauro Carvalho Chehab
2012-03-16 11:15                   ` Borislav Petkov
2012-03-16 12:07                     ` Mauro Carvalho Chehab
2012-03-16 14:07                       ` Mauro Carvalho Chehab
2012-03-16 15:31                         ` Greg KH
2012-03-16 16:54                         ` Borislav Petkov
2012-03-16 15:30                   ` Greg KH
2012-03-16 15:44                     ` Mauro Carvalho Chehab
2012-03-16 16:01                       ` Greg KH

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