From owner-freebsd-smp Tue Feb 4 11:28:38 2003 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D04B837B401 for ; Tue, 4 Feb 2003 11:28:36 -0800 (PST) Received: from mail.speakeasy.net (mail13.speakeasy.net [216.254.0.213]) by mx1.FreeBSD.org (Postfix) with ESMTP id 044E843FBD for ; Tue, 4 Feb 2003 11:28:30 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 17321 invoked from network); 4 Feb 2003 19:28:33 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail13.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 4 Feb 2003 19:28:33 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id h14JSQUT090242; Tue, 4 Feb 2003 14:28:26 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Tue, 04 Feb 2003 14:28:34 -0500 (EST) From: John Baldwin To: Julian Elischer Subject: Re: mp_machdep.c patch Cc: freebsd-smp@freebsd.org, Chris Luke , Brendon and Wendy , Terry Lambert Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On 04-Feb-2003 Julian Elischer wrote: > > > On Mon, 3 Feb 2003, Terry Lambert wrote: > >> >> You have to enable HT in the BIOS. If it is not enabled in the >> BIOS, it will not add entries to the MP Table for the virtual >> processors, and they will not be recognized. > > > My new MP systemm at work (soon to ship to a custommer.. (rats..)) > is running -stable as of today.. > even when I turn off Hyperthreading in the bios, > FreeBSD still finds and uses the extra 2 CPUs.. > (i.e it looks as if it has 4 instead of 2) > > Nothing I can do will force freeBSD to run with only 2 CPUs. Correct, BIOS settings have no effect on whether or not FreeBSD "sees" HTT CPUs. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message