From owner-freebsd-current@FreeBSD.ORG Wed Dec 21 22:05:00 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1652116A41F for ; Wed, 21 Dec 2005 22:05:00 +0000 (GMT) (envelope-from garyj@jennejohn.org) Received: from mail08b.verio.de (mail08b.verio.de [213.198.55.74]) by mx1.FreeBSD.org (Postfix) with SMTP id ABAC543D66 for ; Wed, 21 Dec 2005 22:04:58 +0000 (GMT) (envelope-from garyj@jennejohn.org) Received: from mx08.stngva01.us.mxservers.net (204.202.242.4) by mail08b.verio.de (RS ver 1.0.95vs) with SMTP id 0-0203472695; Wed, 21 Dec 2005 23:04:57 +0100 (CET) Received: from www.jennejohn.org [213.198.5.174] (EHLO peedub.jennejohn.org) by mx08.stngva01.us.mxservers.net (mxl_mta-1.3.8-10p4) with ESMTP id 781d9a34.15641.064.mx08.stngva01.us.mxservers.net; Wed, 21 Dec 2005 17:04:55 -0500 (EST) Received: from jennejohn.org (localhost [127.0.0.1]) by peedub.jennejohn.org (8.13.4/8.11.6) with ESMTP id jBLM4rrR037479; Wed, 21 Dec 2005 23:04:54 +0100 (CET) (envelope-from garyj@jennejohn.org) Message-Id: <200512212204.jBLM4rrR037479@peedub.jennejohn.org> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.0.4 To: Bruce Burden In-Reply-To: Message from Bruce Burden of "Wed, 21 Dec 2005 14:41:49 CST." <20051221204149.GM56798@tigerfish2.my.domain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 21 Dec 2005 23:04:53 +0100 From: Gary Jennejohn X-Spam: [F=0.0100000000; heur=0.500(-19800); stat=0.010; spamtraq-heur=0.500(2005122110)] X-MAIL-FROM: X-SOURCE-IP: [213.198.5.174] X-Loop-Detect: 1 X-DistLoop-Detect: 1 Cc: current@freebsd.org Subject: Re: Dual core CPUs support 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: Wed, 21 Dec 2005 22:05:00 -0000 Bruce Burden writes: > On Wed, Dec 21, 2005 at 09:12:22PM +0100, Tomas Randa wrote: > > Hello all friends of FreeBSD unix, > > > > I?d like to ask here, what is the actual situation with dual core CPUs - > > Athlon 64 X2 etc. and their functionality with FreeBSD 5.X / 6.X / 7.0 > > current. > > > > I tried 5.4/i386 with options SMP, 6.0/i386 with the same config, in > > both cases system found only one CPU, but on 5.4 system wrote HTT 2 > > logical units. > > > The i386 version disables HTT by default (see the security > notices for summer 2005 or thereabouts), so I am not surprised that > your second core is ignored/not reported. There is a switch that > will enable the HTT (second core, in your case) if you wish. > > As another poster mentiond, the AMD64 version of FBSD will > recognise the second core as expected. > HTT has nothing to do with recognizing an X2 AMD64. I've been running i386 since before 6R and FreeBSD has always seen both cores. Maybe the OP needs a new BIOS. I had to update my BIOS before the X2 was correctly recognized. --- Gary Jennejohn / garyjATjennejohnDOTorg gjATfreebsdDOTorg garyjATdenxDOTde