From owner-freebsd-hackers@FreeBSD.ORG Fri Mar 17 17:59:16 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 29ED316A400; Fri, 17 Mar 2006 17:59:16 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from lerami.lerctr.org (lerami.lerctr.org [192.147.25.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2184843D49; Fri, 17 Mar 2006 17:59:00 +0000 (GMT) (envelope-from ler@lerctr.org) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=lerami; d=lerctr.org; b=pykeqk9SY4h3kEGlQiYNKrRJnA8jQjQqSIe636E6layt4q9StCETMkacgdnG5HD1ufoVPRVRRGuBjl5DdN+0pnRQbeW+R3Gnog6I8OCEzwkwvH0r/HOUZfqwyt7dRlhOi4bLmikdd/YSbIdhiMcm6YzjhDFPbRIzTSjWYA8mBIg=; Received: from 64-132-13-2.gen.twtelecom.net ([64.132.13.2]:47844 helo=LROSENMAC8010P) by lerami.lerctr.org with esmtpsa (TLSv1:RC4-MD5:128) (Exim 4.60) (envelope-from ) id 1FKJDy-0006Zg-L2; Fri, 17 Mar 2006 11:59:00 -0600 From: "Larry Rosenman" To: "'John Baldwin'" , "'Tom Daly'" Date: Fri, 17 Mar 2006 11:58:54 -0600 Message-ID: <006701c649ec$74c64c20$0a0a0a0a@aus.pervasive.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 In-Reply-To: <200603171234.52743.jhb@freebsd.org> thread-index: AcZJ6gYXzu2zsgP0RCKxyRK5i9+hngAAkbSQ X-Spam-Score: -4.4 (----) X-LERCTR-Spam-Score: -4.4 (----) X-Spam-Report: (-4.4 points, 5.0 required) ALL_TRUSTED=-1.8 BAYES_00=-2.599 DK_POLICY_SIGNALL=0.001 X-LERCTR-Spam-Report: (-4.4 points, 5.0 required) ALL_TRUSTED=-1.8 BAYES_00=-2.599 DK_POLICY_SIGNALL=0.001 DomainKey-Status: no signature Cc: freebsd-hackers@freebsd.org Subject: RE: Recommended SMP Config X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Mar 2006 17:59:16 -0000 John Baldwin wrote: > On Friday 17 March 2006 12:00, Tom Daly wrote: >>> Because CPU 1 is a hyperthread. So is CPU 3 for that matter. >> >> That makes sense, but CPU 3 shows up in top without setting >> machdep.hyperthreading_allowed=1. ??? > > Yes, that's a bug. I saw the same thing on my AMD64 system as well, if that matters. I've since set machdep.hyperthreading_allowed=1, but was curious. Thanks for the confirmation that it's a bug. If you or anyone needs a test bed, I have a dual-xeon em64t box that I can give access to. LER -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893