From owner-freebsd-current@FreeBSD.ORG Tue Nov 2 03:02:32 2004 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 E28A016A4CE; Tue, 2 Nov 2004 03:02:32 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id C3B3743D39; Tue, 2 Nov 2004 03:02:32 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id B414172DD4; Mon, 1 Nov 2004 19:02:32 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id AD15B72DCB; Mon, 1 Nov 2004 19:02:32 -0800 (PST) Date: Mon, 1 Nov 2004 19:02:32 -0800 (PST) From: Doug White To: John Baldwin In-Reply-To: <200411011752.34180.jhb@FreeBSD.org> Message-ID: <20041101190046.J56441@carver.gumbysoft.com> References: <20041031194121.FE2D.DSNOFE@yahoo.com.cn> <20041031222154.50A5.DSNOFE@yahoo.com.cn> <200411011752.34180.jhb@FreeBSD.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@FreeBSD.org cc: Deng XueFeng Subject: Re: CPUTYPE?=athlon-xp breaks loader (was Re: instant reboot when trying to load recent RELENG_5 kernel) 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: Tue, 02 Nov 2004 03:02:33 -0000 On Mon, 1 Nov 2004, John Baldwin wrote: > Your BIOS writer needs to be beaten with a blunt instrument. They are trying > to enter protected mode themselves and not handling the fact that they can be > called from vm86 mode. There's not much FreeBSD can do about narrow-minded, > kludgey BIOS code. ISTR that some BIOSen try to play this game because they are trying to see if UDMA works. Try demoting the disk to PIO in the BIOS; FreBSD ignores this setting when configuring disks, so its safe to leave that way. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org