From owner-freebsd-i386@FreeBSD.ORG Sun Aug 24 11:20:13 2003 Return-Path: Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AAB9C16A4C0 for ; Sun, 24 Aug 2003 11:20:13 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7558643FAF for ; Sun, 24 Aug 2003 11:20:12 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.9/8.12.9) with ESMTP id h7OIKCUp024037 for ; Sun, 24 Aug 2003 11:20:12 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.9/8.12.9/Submit) id h7OIKCu1024036; Sun, 24 Aug 2003 11:20:12 -0700 (PDT) Resent-Date: Sun, 24 Aug 2003 11:20:12 -0700 (PDT) Resent-Message-Id: <200308241820.h7OIKCu1024036@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-i386@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Thorsten Kuehnemann Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1EE7C16A4C0 for ; Sun, 24 Aug 2003 11:18:10 -0700 (PDT) Received: from webmail.tiscali.de (relay1.tiscali.de [62.26.116.129]) by mx1.FreeBSD.org (Postfix) with ESMTP id 22FD543FDD for ; Sun, 24 Aug 2003 11:18:08 -0700 (PDT) (envelope-from tk@ef80.jnx.de) Received: from Haby.thorstenK.nu (213.54.46.165) by webmail.tiscali.de (6.7.019) id 3F2FB429004FD47E for FreeBSD-gnats-submit@freebsd.org; Sun, 24 Aug 2003 20:18:06 +0200 Received: from ef80.jnx.de (ef80.thorstenK.nu [10.0.0.42]) by Haby.thorstenK.nu (8.12.9/8.12.9) with ESMTP id h7OII4ZN009274 for ; Sun, 24 Aug 2003 20:18:05 +0200 (CEST) (envelope-from tk@ef80.jnx.de) Received: from ef80.jnx.de (localhost.jnx.de [127.0.0.1]) by ef80.jnx.de (8.12.9/8.12.9) with ESMTP id h7OII9ej000761 for ; Sun, 24 Aug 2003 20:18:09 +0200 (CEST) (envelope-from tk@ef80.jnx.de) Received: (from tk@localhost) by ef80.jnx.de (8.12.9/8.12.9/Submit) id h7OII7Gj000760; Sun, 24 Aug 2003 20:18:07 +0200 (CEST) Message-Id: <200308241818.h7OII7Gj000760@ef80.jnx.de> Date: Sun, 24 Aug 2003 20:18:07 +0200 (CEST) From: Thorsten Kuehnemann To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: i386/55930: partly configured serial port freezes system X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Thorsten Kuehnemann List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Aug 2003 18:20:13 -0000 >Number: 55930 >Category: i386 >Synopsis: partly configured serial port freezes system >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Aug 24 11:20:11 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Thorsten Kuehnemann >Release: FreeBSD 5.1-RELEASE-p2 i386 >Organization: private >Environment: Booting FreeBSD while BIOS serial ports are configured to "auto" System: FreeBSD ef80.jnx.de 5.1-RELEASE-p2 FreeBSD 5.1-RELEASE-p2 #0: Wed Aug 20 13:41:44 CEST 2003 tk@ef80.jnx.de:/home/usr/obj/home/usr/src/sys/GENERIC-DEBUG i386 The kernel is GENERIC but the line "makeoptions DEBUG=-g" was made active in GENERIC-DEBUG. Pentium1-233 on a Shuttle HOT565-Board with Award BIOS. >Description: While booting the machine freezes while or right after displaying the loginprompt at the console. These are the problematic kernel messages: kernel: sio0: configured irq 4 not in bitmap of probed irqs 0 kernel: sio0: port may not be enabled kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 kernel: sio0: type 8250 or not responding kernel: sio1: configured irq 3 not in bitmap of probed irqs 0 kernel: sio1: port may not be enabled In the BIOS the configuration of the serial lines was set to "Auto". >How-To-Repeat: Try to boot FreeBSD with a partly or unconfigured serial ports. If the mentioned error messages are found, you will get a freeze (earlier or later). >Fix: After enabling the serial ports in BIOS giving an I/O and IRQ the problem disappears and the kernel messages are: kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 kernel: sio0: type 16550A kernel: sio1 at port 0x2f8-0x2ff irq 3 on isa0 kernel: sio1: type 16550A You will find a dozen PR's containing the text "sio0: configured irq " with hang or panic problems. I have had two different machines with the same problem solved by configuring the serial ports in the BIOS. >Release-Note: >Audit-Trail: >Unformatted: