From owner-freebsd-hackers Wed Jul 31 12:36:48 2002 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 A733437B400; Wed, 31 Jul 2002 12:36:46 -0700 (PDT) Received: from smtp.comcast.net (smtp.comcast.net [24.153.64.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B26B43E42; Wed, 31 Jul 2002 12:36:46 -0700 (PDT) (envelope-from bandix@geekpunk.net) Received: from pcp532210pcs.nash01.tn.comcast.net (pcp532210pcs.nash01.tn.comcast.net [68.52.140.231]) by mtaout02.icomcast.net (iPlanet Messaging Server 5.1 HotFix 0.8 (built May 13 2002)) with ESMTP id <0H0400LOUP2GRD@mtaout02.icomcast.net>; Wed, 31 Jul 2002 15:35:05 -0400 (EDT) Date: Wed, 31 Jul 2002 14:35:35 -0500 (CDT) From: "Brandon D. Valentine" Subject: RE: SMP problem on E7500 chipset In-reply-to: X-X-Sender: bandix@dallben To: John Baldwin Cc: FreeBSD-Hackers Message-id: <20020731143507.M54035-100000@dallben> MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII Content-transfer-encoding: 7BIT Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 31 Jul 2002, John Baldwin wrote: > On 31-Jul-2002 Brandon D. Valentine wrote: > > On Wed, 31 Jul 2002 igor_dorovskoy@agilent.com wrote: > > > >> Looks like you do have hyper threading support on in your BIOS. > >> Turn it off to disable virtual CPU's in your Xeons > > > > Incidentally, anyone working on Intel P4 hyperthreading support? > > We already support it back to 3.0, though not necessarily in the > most efficient manner. 5.0 will handle hyperthreading slightly > better than 3.x and 4.x, but I expect that real support (as in, > schedule threads onto CPU's more sanely so we balance load on > physical processors) will be a 6.0 feature. That will be Very Cool. Thanks for the info, John. Brandon D. Valentine -- http://www.geekpunk.net bandix@geekpunk.net ++[>++++++<-]>[<++++++>-]<.>++++[>+++++<-]>[<+++++>-]<+.+++++++..++ +.>>+++++[<++++++>-]<++.<<+++++++++++++++.>.+++.------.--------.>+. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message