From owner-freebsd-smp Thu Dec 5 15:42:53 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 10BAC37B401; Thu, 5 Dec 2002 15:42:53 -0800 (PST) Received: from tp.databus.com (p70-227.acedsl.com [66.114.70.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5739943EA9; Thu, 5 Dec 2002 15:42:52 -0800 (PST) (envelope-from barney@tp.databus.com) Received: from tp.databus.com (localhost.databus.com [127.0.0.1]) by tp.databus.com (8.12.6/8.12.6) with ESMTP id gB5NgkMG019192; Thu, 5 Dec 2002 18:42:46 -0500 (EST) (envelope-from barney@tp.databus.com) Received: (from barney@localhost) by tp.databus.com (8.12.6/8.12.6/Submit) id gB5Ngk4C019191; Thu, 5 Dec 2002 18:42:46 -0500 (EST) (envelope-from barney) Date: Thu, 5 Dec 2002 18:42:46 -0500 From: Barney Wolff To: John Baldwin Cc: smp@FreeBSD.ORG Subject: Re: Update on SE7500 P4 SMP.. Message-ID: <20021205234246.GA18669@tp.databus.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i X-Scanned-By: MIMEDefang 2.26 (www . roaringpenguin . com / mimedefang) 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 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. 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message