From owner-freebsd-bugs@FreeBSD.ORG Sun Jul 20 14:39:41 2003 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7E96437B401 for ; Sun, 20 Jul 2003 14:39:40 -0700 (PDT) Received: from mail2.bluewin.ch (mail2.bluewin.ch [195.186.4.73]) by mx1.FreeBSD.org (Postfix) with ESMTP id DBF5243F75 for ; Sun, 20 Jul 2003 14:39:39 -0700 (PDT) (envelope-from pdornier@pcengines.ch) Received: from pd.pcengines.ch (62.203.139.205) by mail2.bluewin.ch (Bluewin AG 7.0.016) id 3EFC02170025D455 for freebsd-bugs@FreeBSD.ORG; Sun, 20 Jul 2003 21:39:38 +0000 Message-Id: <5.2.0.9.0.20030720233315.01f98ec0@pcengines.ch> X-Sender: pcengines@pcengines.ch X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Sun, 20 Jul 2003 23:38:51 -0700 To: freebsd-bugs@FreeBSD.ORG From: Pascal Dornier Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Subject: boot1.s hangs on system without keyboard controller X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Jul 2003 21:39:41 -0000 File: src/sys/boot/i386/boot2/boot1.s The code to enable A20 gate will hang on "legacy free" systems without a keyboard controller at port 60 / 64. Suggest adding some sort of time-out to proceed anyway if expected reply does not come within a reasonable time. Or bail immediately if FF is read. Thanks ! Pascal Dornier www.pcengines.ch/wrap.htm Pascal Dornier pdornier@pcengines.ch http://www.pcengines.ch Your Spec + PC Engines = Custom Embedded PC Hardware