From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 27 Nov 2000 22:53:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 27 Nov 2000 22:53:38 -0500 Received: from neon-gw.transmeta.com ([209.10.217.66]:54537 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Mon, 27 Nov 2000 22:53:31 -0500 To: linux-kernel@vger.kernel.org From: "H. Peter Anvin" Subject: Re: KERNEL BUG: console not working in linux Date: 27 Nov 2000 19:23:08 -0800 Organization: Transmeta Corporation, Santa Clara CA Message-ID: <8vv8es$86d$1@cesium.transmeta.com> In-Reply-To: <20001128023652.A9368@veritas.com> <8vv2fa$7n6$1@cesium.transmeta.com> <20001128041409.A9525@veritas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Disclaimer: Not speaking for Transmeta in any way, shape, or form. Copyright: Copyright 2000 H. Peter Anvin - All Rights Reserved Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Followup to: <20001128041409.A9525@veritas.com> By author: Andries Brouwer In newsgroup: linux.dev.kernel > > On Mon, Nov 27, 2000 at 05:40:58PM -0800, H. Peter Anvin wrote: > > > > What about adding an additional > > > > > > andb $0xfe, %al > > > > > > in front of the outb? > > > Already in test12-pre1. > > Ach, I see I am too slow - had not even seen -pre1 and now Linus > already announces -pre2. > > Anyway, I considered that this A20 stuff belonged to my docs on > the keyboard controller, so added a page > > http://www.win.tue.nl/~aeb/linux/kbd/A20.html > > (written half an hour ago). Comments are welcome. > One thing... the "thwarted by cache" comment probably isn't very useful. As far as I know the only machines which have the cache problem are i386 boxen, but the i386 doesn't have WBINVD. The i486 has a pin on the CPU for A20, which takes effect inside the L1 cache, and so it shouldn't have any A20 cache issues. -hpa -- at work, in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/