From owner-freebsd-fs Wed Sep 20 1: 8:12 2000 Delivered-To: freebsd-fs@freebsd.org Received: from smtp02.primenet.com (smtp02.primenet.com [206.165.6.132]) by hub.freebsd.org (Postfix) with ESMTP id EC8EF37B422 for ; Wed, 20 Sep 2000 01:08:09 -0700 (PDT) Received: (from daemon@localhost) by smtp02.primenet.com (8.9.3/8.9.3) id BAA16389; Wed, 20 Sep 2000 01:05:24 -0700 (MST) Received: from usr01.primenet.com(206.165.6.201) via SMTP by smtp02.primenet.com, id smtpdAAAqBaG_F; Wed Sep 20 01:05:16 2000 Received: (from tlambert@localhost) by usr01.primenet.com (8.8.5/8.8.5) id BAA27583; Wed, 20 Sep 2000 01:07:58 -0700 (MST) From: Terry Lambert Message-Id: <200009200807.BAA27583@usr01.primenet.com> Subject: Re: how mmap buffer writes handled? To: mbendiks@eunet.no (Marius Bendiksen) Date: Wed, 20 Sep 2000 08:07:58 +0000 (GMT) Cc: tlambert@primenet.com (Terry Lambert), freebsd-fs@FreeBSD.ORG In-Reply-To: from "Marius Bendiksen" at Sep 20, 2000 09:26:10 AM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > Actually, not. It's on the order of the F00F bug fix, which is > > a gross kludge of the worst sort. The page being written doesn't > > Agree. Might there not be some cleaner way of resolving the F00F bug ? > ISTR having looked into this some time back. Yeah, there's actually a great fix: replace the faulty chip. > > exist. It's a non-existance exception, not an access exception, > > since if the page mapping existed, it wouldn't result in the > > exception in the first place. 8-). > > I did not specify "access" as a qualifier to "exception". But you did say "[...]when accessing the page for write". You can't access a non-existant page, only an existant one. 8-). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message