From owner-freebsd-current Sat May 4 10:55: 6 2002 Delivered-To: freebsd-current@freebsd.org Received: from a96180.upc-a.chello.nl (a96180.upc-a.chello.nl [62.163.96.180]) by hub.freebsd.org (Postfix) with ESMTP id 88E7337B41B; Sat, 4 May 2002 10:55:01 -0700 (PDT) Received: by a96180.upc-a.chello.nl (Postfix, from userid 1001) id 24FC92171; Sat, 4 May 2002 19:54:59 +0200 (CEST) Date: Sat, 4 May 2002 19:54:58 +0200 From: Jeroen Ruigrok/asmodai To: David Malone Cc: Michael Smith , acpi-jp@jp.FreeBSD.org, current@freebsd.org Subject: Re: Odd problem with MTRR and ACPI Message-ID: <20020504175458.GF66061@daemon.ninth-circle.org> References: <200205040608.g4468Vh00626@mass.dis.org> <200205041037.aa97524@salmon.maths.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200205041037.aa97524@salmon.maths.tcd.ie> User-Agent: Mutt/1.3.28i Organisation: Ninth Circle Enterprises Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG -On [20020504 11:45], David Malone (dwmalone@maths.tcd.ie) wrote: >I did find some AMD errata docs which hinted at a problem involving >4MB pages, MTRR and SMM. (Search for "MTRR SMM athlon ASEG" on >google and you should get the PDF - there are two pages describing >errata involving ASEG and TSEG. Does anyone know what ASEG and TSEG >are?) I tried using a kernel with DISABLE_PSE but the problem seemed >to persist. However, the docs do hint at there being a link between >SMM and MTRRs for the Athlon. TSEG - Time Segment ASEG - Absolute Segment Those are the ones I know are part of CPUs commonly. -- Jeroen Ruigrok van der Werven / asmodai / Kita no Mono asmodai@wxs.nl, finger asmodai@ninth-circle.org http://www.softweyr.com/asmodai/ | http://www.tendra.org/ Once upon a midnight dreary, while I pondered, weak and weary... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message