From owner-freebsd-i386@FreeBSD.ORG Wed Jun 6 11:20:03 2007 Return-Path: X-Original-To: freebsd-i386@hub.freebsd.org Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8B7BE16A41F for ; Wed, 6 Jun 2007 11:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40]) by mx1.freebsd.org (Postfix) with ESMTP id 6D49A13C44C for ; Wed, 6 Jun 2007 11:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id l56BK3W3079344 for ; Wed, 6 Jun 2007 11:20:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id l56BK34w079340; Wed, 6 Jun 2007 11:20:03 GMT (envelope-from gnats) Resent-Date: Wed, 6 Jun 2007 11:20:03 GMT Resent-Message-Id: <200706061120.l56BK34w079340@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, Richard Smith Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 497DD16A46B for ; Wed, 6 Jun 2007 11:10:22 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [69.147.83.33]) by mx1.freebsd.org (Postfix) with ESMTP id 3A89013C484 for ; Wed, 6 Jun 2007 11:10:22 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id l56BALD6062880 for ; Wed, 6 Jun 2007 11:10:21 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id l56BAL91062870; Wed, 6 Jun 2007 11:10:21 GMT (envelope-from nobody) Message-Id: <200706061110.l56BAL91062870@www.freebsd.org> Date: Wed, 6 Jun 2007 11:10:21 GMT From: Richard Smith To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.0 Cc: Subject: i386/113406: Page fault in XL0 device driver X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jun 2007 11:20:03 -0000 >Number: 113406 >Category: i386 >Synopsis: Page fault in XL0 device driver >Confidential: no >Severity: critical >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jun 06 11:20:02 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Richard Smith >Release: 6.2-RELEASE-p5 >Organization: Satamatics Ltd >Environment: FreeBSD controller.satamatics.net 6.2-RELEASE-p5 FreeBSD 6.2-RELEASE-p5 #0: Fri Jun 1 23:39:24 UTC 2007 rdls@:/usr/obj/usr/src/sys/GENERIC i386 >Description: Installed device causing problem: xl0: <3Com 3c900B-COMBO Etherlink XL> port 0xb800-0xb87f mem 0xefdfff80-0xefdfffff irq 10 at device 6.0 on pci2 xl0: selecting 10baseT transceiver, half duplex xl0: Ethernet address: 00:50:da:43:bc:b4 Command causing problem: ifconfig xl0 media 10base2/BNC Full details of panic copied from the screen: Fatal trap 12: page fault while in kernel mode fault virtual address = 0x24 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0692dde stack pointer = 0x28:0xd0a04c54 frame pointer = 0x28:0xd0a04c68 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 23 (irq10: rl0 xl0+) trap number = 12 panic: page fault Problem also appears in: FreeBSD 6.2-RELEASE Problem does NOT appear in: FreeBSD 5.4-RELEASE >How-To-Repeat: Install a COMBO NIC (one supporting 10base2/BNC and 10baseT/UTP) for the XL0 device driver and issue the following command: ifconfig xl0 inet 10.1.1.1 netmask 255.255.255.0 ifconfig xl0 media 10base2/BNC immediate panic >Fix: The only fix we currently have is to use an alternative OS version (e.g. 5.4-R) or an alternative combo card (e.g. we have combo cards using the ed0 device that do not present a problem). >Release-Note: >Audit-Trail: >Unformatted: