From owner-freebsd-smp Fri Dec 6 7:40:56 2002 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5F8A537B401 for ; Fri, 6 Dec 2002 07:40:55 -0800 (PST) Received: from mail.speakeasy.net (mail16.speakeasy.net [216.254.0.216]) by mx1.FreeBSD.org (Postfix) with ESMTP id EA66B43EC2 for ; Fri, 6 Dec 2002 07:40:54 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 14665 invoked from network); 6 Dec 2002 15:40:57 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail16.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 6 Dec 2002 15:40:57 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id gB6FeruH048457; Fri, 6 Dec 2002 10:40:53 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20021205234246.GA18669@tp.databus.com> Date: Fri, 06 Dec 2002 10:40:59 -0500 (EST) From: John Baldwin To: Barney Wolff Subject: Re: Update on SE7500 P4 SMP.. Cc: smp@FreeBSD.ORG Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On 05-Dec-2002 Barney Wolff wrote: > Here's a simpleminded idea: Can it be that the "extra stuff" that > Linux does slows things down just enough to let some signal settle? > Radically underclocking the board might work, then, and disclose the > problem. Or just a bunch of NOPs. I did add some extra delays but it didn't help. > On Thu, Dec 05, 2002 at 04:17:43PM -0500, John Baldwin wrote: >> ... but if anyone >> has any ideas I'm all ears. :-/ > > -- > Barney Wolff http://www.databus.com/bwresume.pdf > I'm available by contract or FT, in the NYC metro area or via the 'Net. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message