From owner-freebsd-stable@FreeBSD.ORG Wed May 3 19:34:06 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ACC2C16A405 for ; Wed, 3 May 2006 19:34:06 +0000 (UTC) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3523A43D45 for ; Wed, 3 May 2006 19:34:06 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (mx1.hub.org [200.46.208.251]) by hub.org (Postfix) with ESMTP id 351CC291F83; Wed, 3 May 2006 16:34:03 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 85307-03; Wed, 3 May 2006 16:34:05 -0300 (ADT) Received: from ganymede.hub.org (blk-7-151-244.eastlink.ca [71.7.151.244]) by hub.org (Postfix) with ESMTP id A74FF291F81; Wed, 3 May 2006 16:34:02 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id C4C3C8BA75; Wed, 3 May 2006 16:34:04 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id C3A433B10E; Wed, 3 May 2006 16:34:04 -0300 (ADT) Date: Wed, 3 May 2006 16:34:04 -0300 (ADT) From: "Marc G. Fournier" To: Spartak Radchenko In-Reply-To: <20060503191117.GA5646@oberon.aif.ru> Message-ID: <20060503163311.I1147@ganymede.hub.org> References: <20060503184223.GB2198@oberon.aif.ru> <009401c66ee1$8c706170$0202fea9@aus.pervasive.com> <20060503191117.GA5646@oberon.aif.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org Subject: Re: Hyperthreading in 6.x ... still frowned upon? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 May 2006 19:34:06 -0000 On Wed, 3 May 2006, Spartak Radchenko wrote: > On Wed, May 03, 2006 at 01:44:02PM -0500, Larry Rosenman wrote: >> Spartak Radchenko wrote: >>> On Wed, May 03, 2006 at 11:42:18AM -0300, Marc G. Fournier wrote: >>>> >>>> In 4.x, it was a 'shut it off' sort of deal .. my new amd64 don't >>>> appear to have it enabled, but my older i386 server that I just >>>> upgraded to 6.x does: >>> >>> I am not sure I understood your problem correctly... Do you want >>> to enable hyperthreading on amd64? But they have no such thing. >>> Intel only. >> >> you do know that EM64T Xeons *DO* have hyperthreading, and (can) >> run an amd64 kernel? > > Of course. So "amd64" means FreeBSD platform in the original posting, > not hardware? Ok, thanks. It was not evident to me. This is correct ... we have two HP Dual Xeon 64bit servers, both running FreeBSD 6.x/amd64 ... those ones run without an issue, and don't have HyperThreading enabled ... they are slightly older CPUs, so aren't Dual-Core either ... ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664