From owner-freebsd-bugs@FreeBSD.ORG Mon Jan 7 15:50:04 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5D6EC16A417 for ; Mon, 7 Jan 2008 15:50:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 1C12C13C46B for ; Mon, 7 Jan 2008 15:50:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m07Fo1iN060667 for ; Mon, 7 Jan 2008 15:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m07Fo1pc060666; Mon, 7 Jan 2008 15:50:01 GMT (envelope-from gnats) Resent-Date: Mon, 7 Jan 2008 15:50:01 GMT Resent-Message-Id: <200801071550.m07Fo1pc060666@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Jille Timmermans Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 005E516A418 for ; Mon, 7 Jan 2008 15:46:09 +0000 (UTC) (envelope-from root@blackbox.quis.cx) Received: from blackbox.quis.cx (ip83-113-174-82.adsl2.versatel.nl [82.174.113.83]) by mx1.freebsd.org (Postfix) with ESMTP id 727E013C448 for ; Mon, 7 Jan 2008 15:46:08 +0000 (UTC) (envelope-from root@blackbox.quis.cx) Received: from blackbox.quis.cx (localhost [127.0.0.1]) by blackbox.quis.cx (8.14.2/8.14.2) with ESMTP id m06Msdq8000976; Sun, 6 Jan 2008 23:54:39 +0100 (CET) (envelope-from root@blackbox.mayaxatl.org) Received: (from root@localhost) by blackbox.quis.cx (8.14.2/8.14.2/Submit) id m06Msclv000975; Sun, 6 Jan 2008 23:54:38 +0100 (CET) (envelope-from root) Message-Id: <200801062254.m06Msclv000975@blackbox.quis.cx> Date: Sun, 6 Jan 2008 23:54:38 +0100 (CET) From: Jille Timmermans To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Ed Schouten Subject: kern/119423: Kernel panic (page fault) with devfs rules X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Jille Timmermans List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Jan 2008 15:50:04 -0000 >Number: 119423 >Category: kern >Synopsis: Kernel panic (page fault) with devfs rules >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jan 07 15:50:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Jille Timmermans >Release: FreeBSD 6.3-PRERELEASE i386 / FreeBSD 6.2-RELEASE-p4 i386 >Organization: None >Environment: FreeBSD 6.3-PRERELEASE i386 / FreeBSD 6.2-RELEASE-p4 i386 System: FreeBSD blackbox.quis.cx 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #1: Sun Jan 6 23:24:15 CET 2008 root@blackbox.quis.cx:/usr/obj/usr/src/sys/BLACKBOX i386 and FreeBSD istud.quis.cx 6.2-RELEASE-p4 FreeBSD 6.2-RELEASE #0: Sat May 12 16:41:58 CEST 2007 root@istud.quis.cx:/usr/obj/usr/src/sys/ISTUD i386 >Description: A kernel panic (page fault) occurs when trying to add rules to a devfs mount. I can give you kernel dumps and backtraces if needed. >How-To-Repeat: mkdir dev mount -t devfs devfs dev devfs -m dev ruleset 50 devfs -m dev rule add type disk hide devfs -m dev rule applyset >Fix: In /usr/src/sys/fs/devfs/devfs_rule.c:546 if (dev == NULL || Changed into: if (dev == NULL || dev->si_devsw == NULL || >Release-Note: >Audit-Trail: >Unformatted: