From owner-freebsd-stable@FreeBSD.ORG Mon Dec 21 21:21:48 2009 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CDF421065696 for ; Mon, 21 Dec 2009 21:21:48 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from mail-gw1.york.ac.uk (mail-gw1.york.ac.uk [144.32.128.246]) by mx1.freebsd.org (Postfix) with ESMTP id 38C0B8FC14 for ; Mon, 21 Dec 2009 21:21:47 +0000 (UTC) Received: from mail-gw6.york.ac.uk (mail-gw6.york.ac.uk [144.32.129.26]) by mail-gw1.york.ac.uk (8.13.6/8.13.6) with ESMTP id nBLLLjRs013947; Mon, 21 Dec 2009 21:21:45 GMT Received: from ury.york.ac.uk ([144.32.108.81]) by mail-gw6.york.ac.uk with esmtps (TLSv1:AES256-SHA:256) (Exim 4.68) (envelope-from ) id 1NMphJ-00000i-Bx; Mon, 21 Dec 2009 21:21:45 +0000 Received: from ury.york.ac.uk (localhost.york.ac.uk [127.0.0.1]) by ury.york.ac.uk (8.14.3/8.14.3) with ESMTP id nBLLLjSd084897; Mon, 21 Dec 2009 21:21:45 GMT (envelope-from gavin@FreeBSD.org) Received: from localhost (gavin@localhost) by ury.york.ac.uk (8.14.3/8.14.3/Submit) with ESMTP id nBLLLjje084894; Mon, 21 Dec 2009 21:21:45 GMT (envelope-from gavin@FreeBSD.org) X-Authentication-Warning: ury.york.ac.uk: gavin owned process doing -bs Date: Mon, 21 Dec 2009 21:21:45 +0000 (GMT) From: Gavin Atkinson X-X-Sender: gavin@ury.york.ac.uk To: Torfinn Ingolfsen In-Reply-To: <20091220215943.5c6cbdcb.torfinn.ingolfsen@broadpark.no> Message-ID: References: <20091220215943.5c6cbdcb.torfinn.ingolfsen@broadpark.no> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin@freebsd.org Cc: freebsd-stable@FreeBSD.org Subject: Re: Why does FreeBSD 8.-0 think that my Dell SX260 have "non-unform processors"? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Dec 2009 21:21:48 -0000 On Sun, 20 Dec 2009, Torfinn Ingolfsen wrote: > Hi, > I just booted my Dell OptiPlex SX260[1] from a usb memory stick with > FreeBSD 8.0-release on it. Part of the dmesg output is: > Copyright (c) 1992-2009 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 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009 > root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Pentium(R) 4 CPU 2.60GHz (1295.21-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 > Features=0xbfebfbff > Features2=0x4400 > real memory = 2147483648 (2048 MB) > avail memory = 2085347328 (1988 MB) > ACPI APIC Table: > WARNING: Non-uniform processors. > WARNING: Using suboptimal topology. > ioapic0: Changing APIC ID to 1 > ioapic0 irqs 0-23 on motherboard > kbd1 at kbdmux0 > > Full demsg output on the FreeBSD page[2] for this machine. > Why does FreeBSD think that this machine has "non-unform processors? > Ok, the Pentium 4 in it can proably do hyperthreading, but that isn't > much to talk about. > What excatly is non-unform here? > > References: > 1) http://sites.google.com/site/tingox/sx260 > 2) http://sites.google.com/site/tingox/sx260_freebsd Can you please reboot and show a verbose dmesg from this system? Also, how many CPUs does this system actually have? It appears that in the 7.2 dmesg at 2) above, two are detected but only one is ever used - are you explicitly disabling hyperthreading somehow? Gavin