From owner-freebsd-current Mon Jan 17 17: 5:59 2000 Delivered-To: freebsd-current@freebsd.org Received: from jade.chc-chimes.com (jade.chc-chimes.com [216.28.46.6]) by hub.freebsd.org (Postfix) with ESMTP id 2DED114F92; Mon, 17 Jan 2000 17:05:57 -0800 (PST) (envelope-from billf@jade.chc-chimes.com) Received: by jade.chc-chimes.com (Postfix, from userid 1001) id A999D1C41; Mon, 17 Jan 2000 20:05:56 -0500 (EST) Date: Mon, 17 Jan 2000 20:05:56 -0500 From: Bill Fumerola To: Mike Smith Cc: current@FreeBSD.org Subject: Re: PNPBIOS + Dell PowerEdge = panic() Message-ID: <20000117200556.L8895@jade.chc-chimes.com> References: <20000116002113.B75768@jade.chc-chimes.com> <200001180112.RAA02848@mass.cdrom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200001180112.RAA02848@mass.cdrom.com>; from msmith@freebsd.org on Mon, Jan 17, 2000 at 05:12:14PM -0800 X-Operating-System: FreeBSD 3.2-RELEASE i386 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, Jan 17, 2000 at 05:12:14PM -0800, Mike Smith wrote: > The problem here is that the i386 nexus_alloc_resource() unconditionally > calls pmap_mapdev() to map any memory-type resource into the kernel. > This is definitely a bad idea; IMHO we should only do this when the > resource is actually activated (and obviously free it when deactivated). > > Commentary? Should I just commit the change and see what happens? 8) Naturally, I know nothing of the implications, but I'd certainly test patches since I can reproduce this with the greatest of ease. -- - bill fumerola - billf@chc-chimes.com - BF1560 - computer horizons corp - - ph:(800) 252-2421 - bfumerol@computerhorizons.com - billf@FreeBSD.org - To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message