From owner-freebsd-questions@FreeBSD.ORG Tue Dec 5 17:45:28 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2846416A54C for ; Tue, 5 Dec 2006 17:45:28 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from igloo.linux.gr (igloo.linux.gr [62.1.205.36]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2886843CA3 for ; Tue, 5 Dec 2006 17:44:46 +0000 (GMT) (envelope-from keramida@ceid.upatras.gr) Received: from kobe.laptop (host5.bedc.ondsl.gr [62.103.39.229]) (authenticated bits=128) by igloo.linux.gr (8.13.8/8.13.8/Debian-2) with ESMTP id kB5Hj2kJ010737 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 5 Dec 2006 19:45:09 +0200 Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.13.8/8.13.8) with ESMTP id kB5His9k004770; Tue, 5 Dec 2006 19:44:55 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.13.8/8.13.8/Submit) id kB5HisgZ004769; Tue, 5 Dec 2006 19:44:54 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Date: Tue, 5 Dec 2006 19:44:53 +0200 From: Giorgos Keramidas To: Marwan Sultan Message-ID: <20061205174453.GA4621@kobe.laptop> References: <200612041858.45873.lane@joeandlane.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Hellug-MailScanner: Found to be clean X-Hellug-MailScanner-SpamCheck: not spam, SpamAssassin (score=-3.448, required 5, autolearn=not spam, ALL_TRUSTED -1.80, AWL 0.75, BAYES_00 -2.60, DNS_FROM_RFC_ABUSE 0.20) X-Hellug-MailScanner-From: keramida@ceid.upatras.gr X-Spam-Status: No Cc: lane@joeandlane.com, freebsd-questions@freebsd.org Subject: Re: Duo core enable/support help. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Dec 2006 17:45:28 -0000 On 2006-12-05 12:14, Marwan Sultan wrote: > Hello Lane! > > I'm a frequent reader to /usr/src/UPDATING > But whenever I need to update or upgrade only, since years! > > Also I knew very well whats KERNCONF! i just wanted to know and make > sure of the duo core options, and i searched the NOTES file, didnot > find anything about it. If this is what you are asking, then "yes, an SMP-capable kernel will discover the two cores of your Intel Core Duo as separate CPUs". On my Toshiba Satellite laptop, this shows up in /var/run/dmesg.boot: % Copyright (c) 1992-2006 The FreeBSD Project. % Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 % The Regents of the University of California. All rights reserved. % FreeBSD is a registered trademark of The FreeBSD Foundation. % FreeBSD 7.0-CURRENT #0: Mon Dec 4 15:30:38 EET 2006 % build@kobe:/home/build/obj/home/build/src/sys/KOBE % WARNING: WITNESS option enabled, expect reduced performance. % Timecounter "i8254" frequency 1193182 Hz quality 0 % CPU: Genuine Intel(R) CPU T2400 @ 1.83GHz (1828.77-MHz 686-class CPU) % Origin = "GenuineIntel" Id = 0x6e8 Stepping = 8 % Features=0xbfe9fbff % Features2=0xc1a9> % Cores per package: 2 % real memory = 528089088 (503 MB) % avail memory = 507101184 (483 MB) % ACPI APIC Table: % FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs % cpu0 (BSP): APIC ID: 0 % cpu1 (AP): APIC ID: 1 % [...] Then, each core works as a separate CPU, as expected :)