From owner-freebsd-current@FreeBSD.ORG Thu Nov 13 10:00:16 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5A4E316A4CE for ; Thu, 13 Nov 2003 10:00:16 -0800 (PST) Received: from mail.speakeasy.net (mail5.speakeasy.net [216.254.0.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id DF5FF43F3F for ; Thu, 13 Nov 2003 10:00:14 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 17112 invoked from network); 13 Nov 2003 18:00:14 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 13 Nov 2003 18:00:14 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.9/8.12.9) with ESMTP id hADI0BEW001150; Thu, 13 Nov 2003 13:00:11 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20031113091227.H81728@carver.gumbysoft.com> Date: Thu, 13 Nov 2003 13:00:09 -0500 (EST) From: John Baldwin To: Doug White X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= cc: current@FreeBSD.org cc: "Matthew D. Fuller" Subject: Re: APIC-UP related panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Nov 2003 18:00:16 -0000 On 13-Nov-2003 Doug White wrote: > On Wed, 12 Nov 2003, Dag-Erling [iso-8859-1] Smørgrav wrote: > >> "Matthew D. Fuller" writes: >> > > However, if NO_MIXED_MODE works, that is actually the more desirable >> > > way to run your system. >> > How common is the need for this? Does turning of mixed mode when it's >> > not needed give any real advantages higher up? >> >> NO_MIXED_MODE disables a hack which allow FreeBSD to work with mother- >> boards that lie about how APIC pins are wired. In general, you always >> want to use NO_MIXED_MODE *except* on hardware that has the bug that >> makes the mixed-mode hack necessary. > > Any way we can make this a tunable? :) I need to make it a runtime check again actually at some point. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/