From owner-freebsd-current Thu Sep 12 07:44:50 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id HAA08860 for current-outgoing; Thu, 12 Sep 1996 07:44:50 -0700 (PDT) Received: from marble.eps.nagoya-u.ac.jp (marble.eps.nagoya-u.ac.jp [133.6.57.68]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id HAA08652 for ; Thu, 12 Sep 1996 07:41:22 -0700 (PDT) Received: from marble.eps.nagoya-u.ac.jp (localhost [127.0.0.1]) by marble.eps.nagoya-u.ac.jp (8.7.4+2.6Wbeta6/3.3W9) with ESMTP id XAA01113; Thu, 12 Sep 1996 23:40:40 +0900 (JST) Message-Id: <199609121440.XAA01113@marble.eps.nagoya-u.ac.jp> To: simonm@dcs.gla.ac.uk Cc: kato@eclogite.eps.nagoya-u.ac.jp, dg@Root.COM, current@freebsd.org Subject: Re: patch for Cyrix/Ti 486SLC/DLC CPU bug In-Reply-To: Your message of "Thu, 12 Sep 1996 13:21:51 +0100" References: <199609121223.FAA03098@freefall.freebsd.org> X-Mailer: Mew version 1.05+ on Emacs 19.28.1, Mule 2.3 X-PGP-Fingerprint: 03 72 85 36 62 46 23 03 52 B1 10 22 44 10 0D 9E Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Date: Thu, 12 Sep 1996 23:40:37 +0900 From: KATO Takenori Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Thu, 12 Sep 1996 13:21:51 +0100, Simon Marlow said: > As a data point, my Cyrix 486DLC 2/80 appears to work fine without > these patches. It's probably quite a recent stepping, though. I think behavior of Cyrix 486 CPU depends on its step. I know following kind of machines: 1) No patch is needed. 2) The modifications of machdpe.c and trap.c are needed. 3) The modification of pmap.c is needed. 4) All modifications are needed. ---- KATO Takenori Dept. Earth Planet. Sci., Nagoya Univ., Nagoya, 464-01, Japan