From owner-freebsd-bugs@FreeBSD.ORG Thu Apr 24 14:40:07 2003 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2B4A437B401 for ; Thu, 24 Apr 2003 14:40:07 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 37A0E43FCB for ; Thu, 24 Apr 2003 14:40:05 -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 h3OLe5Up035548 for ; Thu, 24 Apr 2003 14:40:05 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.9/8.12.9/Submit) id h3OLe5Rh035544; Thu, 24 Apr 2003 14:40:05 -0700 (PDT) Resent-Date: Thu, 24 Apr 2003 14:40:05 -0700 (PDT) Resent-Message-Id: <200304242140.h3OLe5Rh035544@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, Alex Trull Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9DC3937B401 for ; Thu, 24 Apr 2003 14:35:49 -0700 (PDT) Received: from moonbase.turandot.net (public3-amer1-3-cust71.watf.broadband.ntl.com [81.98.193.71]) by mx1.FreeBSD.org (Postfix) with ESMTP id BA77C43F93 for ; Thu, 24 Apr 2003 14:35:48 -0700 (PDT) (envelope-from lysander@turandot.net) Received: by moonbase.turandot.net (Postfix, from userid 1000) id 3725C168646; Thu, 24 Apr 2003 22:35:47 +0100 (BST) Message-Id: <20030424213547.3725C168646@moonbase.turandot.net> Date: Thu, 24 Apr 2003 22:35:47 +0100 (BST) From: Alex Trull To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: conf/51394: noschg /etc/resolv.conf causes dhclient problems 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: Thu, 24 Apr 2003 21:40:07 -0000 >Number: 51394 >Category: conf >Synopsis: noschg /etc/resolv.conf causes dhclient problems >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Apr 24 14:40:04 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Alex Trull >Release: FreeBSD 4.8-STABLE i386 >Organization: >Environment: System: FreeBSD moonbase.turandot.home 4.8-STABLE FreeBSD 4.8-STABLE #0: Sat Apr 19 01:32:26 BST 2003 atrull@moonbase.turandot.home:/usr/obj/usr/src/sys/MOONBASE i386 My Home Firewall, Nothing Fancy. P2-450. >Description: Background: Home firewall (Moonbase) runs a dns server, so I added nameserver 127.0.0.1 to /etc/resolv.conf and in an effort to stop dhclient from changing it to use isp-dhcp-assigned name servers, I chflags schg'd it. dhclient went incontinent, refusing to write out a /var/db/dhclient.lease file for itself. the system also went on to keep getting new (different) ips (I counted five in one six hour period). - and on restarting dhclient, it took longer than usual to get a new address. a small cutting of all /var/log/messages spam : Apr 24 15:31:40 moonbase dhclient: New Network Number: 80.0.199.0 Apr 24 15:31:40 moonbase dhclient: New Broadcast Address: 255.255.255.255 Apr 24 15:31:40 moonbase dhclient: New IP Address (de0): 80.0.199.68 Apr 24 15:31:40 moonbase dhclient: New Subnet Mask (de0): 255.255.255.0 Apr 24 15:31:40 moonbase dhclient: New Broadcast Address (de0): 255.255.255.255 Apr 24 15:31:40 moonbase dhclient: New Routers: 80.0.199.1 Apr 24 15:31:40 moonbase dhclient: /usr/src/sbin/dhclient/client/../../../contrib/isc-dhcp/client/dhclient.c(2024): null pointer >How-To-Repeat: chflags schg /etc/resolv.conf ; attempt to keep a dhcp address for more than normal. >Fix: Don't do what I did, or alternatively stop dhclient from having to alter /etc/resolv.conf before writing it's lease file. I also happen to now have the following which solves the original problem : /etc/dhclient.conf: interface "de0" { send host-name "turandot.net"; supersede domain-name "turandot.net"; prepend domain-name-servers 127.0.0.1; request subnet-mask, broadcast-address, time-offset, routers, domain-name, domain-name-servers; require subnet-mask; media "media autoselect"; } >Release-Note: >Audit-Trail: >Unformatted: