From owner-freebsd-smp Fri Dec 20 16: 4:25 2002 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 479E637B401 for ; Fri, 20 Dec 2002 16:04:24 -0800 (PST) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id C0BF343EF2 for ; Fri, 20 Dec 2002 16:04:23 -0800 (PST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.6/8.12.6) id gBL04NSM088323; Fri, 20 Dec 2002 18:04:23 -0600 (CST) (envelope-from dan) Date: Fri, 20 Dec 2002 18:04:23 -0600 From: Dan Nelson To: Francisco Reyes Cc: FreeBSD SMP Subject: Re: Looking for FreeBSD basic SMP info Message-ID: <20021221000422.GC7113@dan.emsphone.com> References: <20021220171659.H10431-100000@zoraida.natserv.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021220171659.H10431-100000@zoraida.natserv.net> X-OS: FreeBSD 5.0-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.1i 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 In the last episode (Dec 20), Francisco Reyes said: > Got FreeBSD SMP running on a Compaq. > Wondering of any links or basic info on things unique to SMP. > This is the first FreeBSD machine I have configured for SMP. > In particular I would like to read about SMP kernel options. > > At http://people.freebsd.org/~fsmp/SMP/getstarted.html there are mentions > to some options which no longer seem to work. If I remember correct the > options not recognized where: > # The number of busses, > defaults to 4: > options NBUS=4 > # The number of IO APICs on the motherboard, defaults to 1. > options NAPIC=1 > # The total number of INTs provided by the motherboard, defaults to 24: > options NINTR=24 Those are all obsolete now. The kernel detecs the correct values at boot time. All you need to enable SMP are: options SMP # Symmetric MultiProcessor Kernel options APIC_IO # Symmetric (APIC) I/O The 4.* smp manpage is pretty much useless, but the one in 5.0 does mention these options. -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message