From owner-freebsd-questions@FreeBSD.ORG  Fri Jan 13 16:48:24 2012
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 594561065679
	for <freebsd-questions@freebsd.org>;
	Fri, 13 Jan 2012 16:48:24 +0000 (UTC)
	(envelope-from mark@exonetric.com)
Received: from relay0.exonetric.net (relay0.exonetric.net [82.138.248.161])
	by mx1.freebsd.org (Postfix) with ESMTP id 1E0BB8FC22
	for <freebsd-questions@freebsd.org>;
	Fri, 13 Jan 2012 16:48:23 +0000 (UTC)
Received: from simonmacbook.fairfx.local (unknown [62.244.179.66])
	by relay0.exonetric.net (Postfix) with ESMTP id AAC1657003;
	Fri, 13 Jan 2012 16:48:22 +0000 (GMT)
Mime-Version: 1.0 (Apple Message framework v1251.1)
Content-Type: text/plain; charset=us-ascii
From: Mark Blackman <mark@exonetric.com>
In-Reply-To: <alpine.BSF.2.00.1201131724570.2982@yokozuna.lan>
Date: Fri, 13 Jan 2012 16:48:21 +0000
Content-Transfer-Encoding: quoted-printable
Message-Id: <26D6A1AE-292A-4EA0-B7E0-89789C1BCE30@exonetric.com>
References: <alpine.BSF.2.00.1201131724570.2982@yokozuna.lan>
To: Marco Beishuizen <mbeis@xs4all.nl>
X-Mailer: Apple Mail (2.1251.1)
Cc: freebsd-questions@freebsd.org
Subject: Re: no hyperthreading in FreeBSD 9?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 13 Jan 2012 16:48:24 -0000


On 13 Jan 2012, at 16:30, Marco Beishuizen wrote:

> Hi,
>=20
> I just upgraded from 8-STABLE to 9-STABLE on my dual Xeon (nocona). =
Now I have in my boot messages:
> ...
> root: /etc/rc.d/sysctl: WARNING: sysctl machdep.hlt_logical_cpus does =
not exist.
> root: /etc/rc.d/sysctl: WARNING: sysctl machdep.hyperthreading_allowed =
does not exist.
> ...
>=20
> So isn't hyperthreading not available anymore in FreeBSD 9?

=
http://svnweb.freebsd.org/base/release/9.0.0/UPDATING?r1=3D222852&r2=3D222=
853&

Seems to imply HT is enabled by default and new sysctls are used to take=20=

logical CPUs offline.

How many CPUs does your boot message suggest FreeBSD 9 is reporting?

- Mark=