From: Craig Bergstrom <craigb@google.com>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Stefan Assmann <sassmann@kpanic.de>,
Matthew Garrett <mjg59@srcf.ucam.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mingo@elte.hu" <mingo@elte.hu>, "hpa@zytor.com" <hpa@zytor.com>,
"rick@vanrein.org" <rick@vanrein.org>,
"rdunlap@xenotime.net" <rdunlap@xenotime.net>
Subject: Re: [PATCH v2 0/3] support for broken memory modules (BadRAM)
Date: Thu, 23 Jun 2011 18:03:42 -0700 [thread overview]
Message-ID: <BANLkTikTTCU3eKkCtrbLbtpLJtksehyEMg@mail.gmail.com> (raw)
In-Reply-To: <987664A83D2D224EAE907B061CE93D5301E938F2FD@orsmsx505.amr.corp.intel.com>
[-- Attachment #1: Type: text/plain, Size: 1181 bytes --]
On Thu, Jun 23, 2011 at 10:12 AM, Luck, Tony <tony.luck@intel.com> wrote:
> > I don't think it makes sense to handle something like that with a list.
> > The compact representation currently in badram is great for that.
>
> I'd tend to agree here. Rick has made a convincing argument that there
> are significant numbers of real world cases where a defective row/column
> in a DIMM results in a predictable pattern of errors. The ball is now
> in Google's court to take a look at their systems that have high numbers
> of errors to see if they can actually be described by a small number
> of BadRAM patterns as Rick has claimed.
>
>
Hi All,
We (Google) are working on a data-driven answer for this question. I know
that there has been some analysis on this topic on the past, but I don't
want to speculate until we've had some time to put all the pieces together.
Stay tuned for specifics.
Cheers,
CraigB
> -Tony
> --
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next prev parent reply other threads:[~2011-06-24 1:03 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 11:18 [PATCH v2 0/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 1/3] Add string parsing function get_next_ulong Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 2/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-22 11:18 ` [PATCH v2 3/3] Add documentation and credits for BadRAM Stefan Assmann
2011-06-22 18:00 ` [PATCH v2 0/3] support for broken memory modules (BadRAM) Andrew Morton
2011-06-22 18:06 ` Josh Boyer
2011-06-22 18:09 ` Randy Dunlap
2011-06-22 18:11 ` Nancy Yuen
2011-06-22 18:13 ` H. Peter Anvin
2011-06-22 19:01 ` Nancy Yuen
2011-06-22 19:06 ` H. Peter Anvin
2011-06-22 18:24 ` Andi Kleen
2011-06-22 18:38 ` Andrew Morton
2011-06-22 18:56 ` Andi Kleen
2011-06-22 19:05 ` H. Peter Anvin
2011-06-22 19:15 ` Andi Kleen
2011-06-22 20:25 ` H. Peter Anvin
2011-06-22 20:28 ` Andi Kleen
2011-06-22 19:46 ` [PATCH] x86: e820: Eliminate bubble sort from sanitize_e820_map Mike Ditto
2011-06-22 20:18 ` [PATCH v2 0/3] support for broken memory modules (BadRAM) Stefan Assmann
2011-06-23 10:33 ` Rick van Rein
2011-06-23 10:49 ` Rick van Rein
2011-06-23 10:10 ` Rick van Rein
2011-06-22 18:15 ` H. Peter Anvin
2011-06-22 20:30 ` Stefan Assmann
2011-06-22 20:33 ` H. Peter Anvin
2011-06-23 13:39 ` Matthew Garrett
2011-06-23 14:08 ` Stefan Assmann
2011-06-23 14:12 ` Matthew Garrett
2011-06-23 15:37 ` Stefan Assmann
2011-06-23 16:30 ` H. Peter Anvin
2011-06-24 0:59 ` Andi Kleen
2011-06-23 17:00 ` Andi Kleen
2011-06-23 17:12 ` Luck, Tony
2011-06-24 1:03 ` Craig Bergstrom [this message]
2011-06-24 1:08 ` Andi Kleen
2011-06-24 1:22 ` Craig Bergstrom
2011-06-24 8:05 ` Rick van Rein
2011-06-24 14:34 ` Craig Bergstrom
2011-06-24 16:16 ` H. Peter Anvin
2011-06-24 16:40 ` Luck, Tony
2011-06-24 16:56 ` Rick van Rein
2011-06-24 17:14 ` H. Peter Anvin
[not found] <fa.fHPNPTsllvyE/7DxrKwiwgVbVww@ifi.uio.no>
2011-06-24 21:10 ` Shane Nay
2011-06-28 2:33 ` Craig Bergstrom
2011-06-29 8:08 ` Rick van Rein
2011-06-29 15:28 ` craig lkml
2011-06-29 16:06 ` Craig Bergstrom
2011-06-29 21:24 ` Tony Luck
2011-06-30 14:32 ` Jody Belka
-- strict thread matches above, loose matches on Subject: below --
2011-06-21 9:23 Stefan Assmann
2011-06-21 22:02 ` Andrew Morton
2011-06-22 11:11 ` Stefan Assmann
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