From owner-freebsd-smp Tue Feb 4 0:59:37 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 2787737B401 for ; Tue, 4 Feb 2003 00:59:36 -0800 (PST) Received: from rwcrmhc53.attbi.com (rwcrmhc53.attbi.com [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id A1DCA43F75 for ; Tue, 4 Feb 2003 00:59:35 -0800 (PST) (envelope-from julian@elischer.org) Received: from interjet.elischer.org (12-232-168-4.client.attbi.com[12.232.168.4]) by rwcrmhc53.attbi.com (rwcrmhc53) with ESMTP id <20030204085934053003km3ce>; Tue, 4 Feb 2003 08:59:35 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id AAA80485; Tue, 4 Feb 2003 00:59:34 -0800 (PST) Date: Tue, 4 Feb 2003 00:59:32 -0800 (PST) From: Julian Elischer To: Terry Lambert Cc: Brendon and Wendy , Chris Luke , freebsd-smp@freebsd.org Subject: Re: mp_machdep.c patch In-Reply-To: <3E3F594D.D73FA4D0@mindspring.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message