From owner-freebsd-current@FreeBSD.ORG Wed Jul 9 08:07:23 2003 Return-Path: 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 5CE2237B401 for ; Wed, 9 Jul 2003 08:07:23 -0700 (PDT) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id BD6F443F93 for ; Wed, 9 Jul 2003 08:07:22 -0700 (PDT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (IDENT:brdavis@localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.12.9/8.12.3) with ESMTP id h69F7Jib001788; Wed, 9 Jul 2003 08:07:19 -0700 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.12.9/8.12.3/Submit) id h69F7JUb001787; Wed, 9 Jul 2003 08:07:19 -0700 Date: Wed, 9 Jul 2003 08:07:19 -0700 From: Brooks Davis To: Jens Rehsack Message-ID: <20030709150718.GC28375@Odin.AC.HMC.Edu> References: <20030708133504.L16193@pcle2.cc.univie.ac.at> <20030709123734.GA50458@nagual.pp.ru> <3F0C0ED6.4030202@liwing.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZmUaFz6apKcXQszQ" Content-Disposition: inline In-Reply-To: <3F0C0ED6.4030202@liwing.de> User-Agent: Mutt/1.5.4i X-Virus-Scanned: by amavisd-milter (http://amavis.org/) on odin.ac.hmc.edu cc: Andrey Chernov cc: freebsd-current@freebsd.org cc: Lukas Ertl Subject: Re: HTT on single CPU? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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, 09 Jul 2003 15:07:23 -0000 --ZmUaFz6apKcXQszQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 09, 2003 at 02:47:18PM +0200, Jens Rehsack wrote: > Andrey Chernov wrote: >=20 > >On Tue, Jul 08, 2003 at 13:13:44 -0400, John Baldwin wrote: > > > >>You need to enable SMP and APIC_IO in your kernel to use HTT. Also, > >>the BIOS setting probably won't make a difference. > >> > > > > > >I have both APIC and HTT flags in my P4, but when I try to load kernel > >compiled with APIC_IO and SMP, I got panic: > > > >pmap_bootstrap: no local apic! (non-SMP hardware?) > > > >Is it motherboard or BIOS? I have no Hyperthreading setting in the BIOS, > >but PIC or APIC modes (both not works with MP kernel). Motherboard is AS= US=20 > >P4B533. >=20 > Hm, I get a really other behaviour, but the result is no having two cpu's: >=20 > Copyright (c) 1992-2003 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 5.1-CURRENT #0: Sat Jun 28 15:40:03 GMT 2003 > root@moby.helpers.liwing.de:/usr/obj/usr/src/sys/MOBY > Preloaded elf kernel "/boot/kernel/kernel" at 0xc03ef000. > Preloaded elf module "/boot/kernel/acpi.ko" at 0xc03ef26c. > Timecounter "i8254" frequency 1193182 Hz > Timecounter "TSC" frequency 2400094284 Hz > CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2400.09-MHz 686-class CPU) > Origin =3D "GenuineIntel" Id =3D 0xf27 Stepping =3D 7 >=20 > Features=3D0xbfebfbff P4's below ~3.1GHz do not actually provide logical CPU support. -- Brooks --ZmUaFz6apKcXQszQ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE/DC+lXY6L6fI4GtQRAhWyAJ4+nHxHmfmVOa6FzT4uAjXZA9h4BwCgy3hp Tlxa3mbKwCMqvx2iuY2/gmU= =3zJj -----END PGP SIGNATURE----- --ZmUaFz6apKcXQszQ--