From owner-freebsd-questions@FreeBSD.ORG Tue May 24 17:14:38 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 972D716A41C for ; Tue, 24 May 2005 17:14:38 +0000 (GMT) (envelope-from freebsd-lists@slivko.org) Received: from photonix.site5.com (photonix.site5.com [209.59.179.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5544643D1F for ; Tue, 24 May 2005 17:14:38 +0000 (GMT) (envelope-from freebsd-lists@slivko.org) Received: from pool-70-18-16-72.ny325.east.verizon.net ([70.18.16.72] helo=[192.168.1.46]) by photonix.site5.com with esmtpa (Exim 4.50) id 1Dacyl-0007tR-Q0; Tue, 24 May 2005 13:14:07 -0400 Message-ID: <429360D0.60307@slivko.org> Date: Tue, 24 May 2005 13:13:52 -0400 From: "Jonathan M. Slivko" User-Agent: Mozilla Thunderbird 1.0.2 (Windows/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Kirk Strauser References: <200505241053.36377.kirk@strauser.com> <200505241159.24346.kellers@njit.edu> <200505241200.55346.kirk@strauser.com> In-Reply-To: <200505241200.55346.kirk@strauser.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus-Scanner: This message has been scanned by ClamAV - CLEAN. X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - photonix.site5.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - slivko.org X-Source: X-Source-Args: X-Source-Dir: Cc: freebsd-questions@freebsd.org Subject: Re: Top only showing one active CPU on HTT system 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: Tue, 24 May 2005 17:14:38 -0000 Where did you actually set that, in /etc/sysctl.conf? Kirk Strauser wrote: > On Tuesday 24 May 2005 10:59, Tim Kellers wrote: > > >>The acpi_load="YES" in /boot/loader.conf might do the trick. > > > Actually, it turns out that I have to set machdep.hyperthreading_allowed=1 > for HTT to work now. > > Speaking of which, is that tunable documented anywhere besides the HTT > security PR? It's not in the 5.4-STABLE /usr/src/UPDATING or anyplace else > I've looked, so I was more than a bit surprised to find that such an > important default was changed without much notice. I imagine a lot of > people read the PR much as I did: "blah, blah, theoretical, doesn't affect > me, next message"... -- Jonathan M. Slivko - jonathan@slivko.org "Linux: The Choice for the GNU Generation" - http://www.linux.org/ - Don't fear the penguin. .^. /V\ /( )\ ^^-^^ He's here to help.