From owner-freebsd-current@FreeBSD.ORG Tue Jul 3 01:11:04 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0013F16A469 for ; Tue, 3 Jul 2007 01:11:03 +0000 (UTC) (envelope-from ssouhlal@FreeBSD.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.freebsd.org (Postfix) with ESMTP id E3FE013C48A for ; Tue, 3 Jul 2007 01:11:03 +0000 (UTC) (envelope-from ssouhlal@FreeBSD.org) Received: from [192.168.0.97] (c-76-21-32-5.hsd1.ca.comcast.net [76.21.32.5]) by elvis.mu.org (Postfix) with ESMTP id B13CC1A4D8B; Mon, 2 Jul 2007 18:11:03 -0700 (PDT) In-Reply-To: <46894427.2050602@ybb.ne.jp> References: <46806B3E.2060701@FreeBSD.org> <4688EBC2.8070703@ybb.ne.jp> <27D8F2CD-156E-4962-A187-63E42CAE2B6F@FreeBSD.org> <46892373.1080602@ybb.ne.jp> <46894427.2050602@ybb.ne.jp> Mime-Version: 1.0 (Apple Message framework v752.3) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Suleiman Souhlal Date: Mon, 2 Jul 2007 18:10:54 -0700 To: Takeharu KATO X-Mailer: Apple Mail (2.752.3) Cc: current@freebsd.org Subject: Re: [PATCH] Machine Check Architecture on amd64 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jul 2007 01:11:04 -0000 On Jul 2, 2007, at 11:29 AM, Takeharu KATO wrote: > Hi > >> Actually, I looked at the documentation for Intel E7501 chipset, >> and it seems like it also has a hardware scrubber: See http:// >> download.intel.com/design/chipsets/datashts/25192702.pdf section >> 5.8.2. >> So, supposedly, other Intel chipsets for servers might also have it. >> > Oh, this chipset has automatic memory scrubber certainly. > I did not know that. > > But as far as I think, it is more preferable to support memory scrub > with software for other chipsets since MCH facility is supported by > CPU. > What do you think about it? Feel free to provide patches. :-) -- Suleiman