From owner-freebsd-questions@FreeBSD.ORG Sun Nov 18 12:32:11 2007 Return-Path: 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 EE26A16A417 for ; Sun, 18 Nov 2007 12:32:10 +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 4EAD113C457 for ; Sun, 18 Nov 2007 12:32:09 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from kobe.laptop (dialup77.ach.sch.gr [81.186.70.77]) (authenticated bits=128) by igloo.linux.gr (8.14.1/8.14.1/Debian-9) with ESMTP id lAICU0es029495 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 18 Nov 2007 14:31:34 +0200 Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.14.2/8.14.2) with ESMTP id lAICTjBU001668; Sun, 18 Nov 2007 14:29:45 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.14.2/8.14.2/Submit) id lAICSie6001667; Sun, 18 Nov 2007 14:28:44 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Date: Sun, 18 Nov 2007 14:28:44 +0200 From: Giorgos Keramidas To: Wojciech Puchar Message-ID: <20071118122843.GA1651@kobe.laptop> References: <20071118111446.H4507@wojtek.tensor.gdynia.pl> <4740140C.6050103@otenet.gr> <20071118114306.H4761@wojtek.tensor.gdynia.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071118114306.H4761@wojtek.tensor.gdynia.pl> X-Hellug-MailScanner: Found to be clean X-Hellug-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-3.94, required 5, autolearn=not spam, ALL_TRUSTED -1.80, AWL 0.46, BAYES_00 -2.60) X-Hellug-MailScanner-From: keramida@ceid.upatras.gr X-Spam-Status: No Cc: Manolis Kiagias , freebsd-questions@freebsd.org Subject: Re: hyperthreading CPU and broken scheduling? 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: Sun, 18 Nov 2007 12:32:11 -0000 On 2007-11-18 11:43, Wojciech Puchar wrote: >>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to >>> "freebsd-questions-unsubscribe@freebsd.org" >> To enable hyperthreading, try setting the following in /etc/sysctl.conf: >> >> machdep.hyperthreading_allowed=1 >> >> and reboot (or execute sysctl machdep.hyperthreading_allowed=1 by hand). > > did /etc/rc.d/sysctl start and works. Please, use loader.conf to change `machdep.hyperthreading_allowed'.