From owner-freebsd-questions@FreeBSD.ORG Thu May 26 15:41:02 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BE96F16A422 for ; Thu, 26 May 2005 15:41:02 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.232]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D89543D1F for ; Thu, 26 May 2005 15:40:46 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 478195138D; Thu, 26 May 2005 08:41:34 -0700 (PDT) Date: Thu, 26 May 2005 08:41:34 -0700 From: Kris Kennaway To: Viren Patel Message-ID: <20050526154133.GA38205@xor.obsecurity.org> References: <1282.66.25.129.27.1117067480.squirrel@mail.cm.utexas.edu> <20050526010713.GA92954@xor.obsecurity.org> <1475.66.25.129.27.1117071597.squirrel@mail.cm.utexas.edu> <20050526014526.GA7378@xor.obsecurity.org> <1144.66.25.129.27.1117111793.squirrel@mail.cm.utexas.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="zhXaljGHf11kAtnf" Content-Disposition: inline In-Reply-To: <1144.66.25.129.27.1117111793.squirrel@mail.cm.utexas.edu> User-Agent: Mutt/1.4.2.1i Cc: freebsd-questions@freebsd.org, Kris Kennaway Subject: Re: NFS broken after upgrading to 5.4 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 May 2005 15:41:02 -0000 --zhXaljGHf11kAtnf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 26, 2005 at 07:49:53AM -0500, Viren Patel wrote: > > > > What does ^T show for the status of the 'hung' process? > > Are you > > certain that DNS resolution is working correctly on both > > machines? > > > > Kris > > > > >=20 > Thanks for your help. Interestingly when I tried the > mounts this morning they all worked, so I can't provide ^T > output. Go figure. >=20 > Since my clients and the server are communicating over a > private LAN, they don't use DNS. However > /etc/nsswitch.conf contains: >=20 > hosts: files dns >=20 > and in /etc/hosts I have: >=20 > 127.0.0.1 localhost > 192.168.0.10 backuphost >=20 > The problem occurred whether I used IP or hostname. I've > also noticed that mount_nfs tended to succeed if preceded > by a ping to the backuphost. I rebooted a client and tried > mounting without ping and it worked just fine. It's all > behaving really flakily. Basically it amounts to sometimes > it works and sometimes it doesn't and there doesn't seem > to be a pattern. Are you sure they're not using DNS? i.e. will DNS queries to those hostnames resolve? Have you observed the data traffic using tcpdump to confirm no DNS lookups? Kris --zhXaljGHf11kAtnf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCle4tWry0BWjoQKURAr29AJ4jsaHDob5MBY2+9UiELpdxfc6wHACg6gwM uSY91B8LStdrNdMLmGp9EhE= =zxMM -----END PGP SIGNATURE----- --zhXaljGHf11kAtnf--