From owner-freebsd-current@FreeBSD.ORG Fri Aug 17 10:57:04 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DF41916A417; Fri, 17 Aug 2007 10:57:04 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 653F313C469; Fri, 17 Aug 2007 10:57:04 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 4810845B26; Fri, 17 Aug 2007 12:57:02 +0200 (CEST) Received: from localhost (pjd.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id EBCEB45684; Fri, 17 Aug 2007 12:56:56 +0200 (CEST) Date: Fri, 17 Aug 2007 12:56:04 +0200 From: Pawel Jakub Dawidek To: Dag-Erling Sm??rgrav Message-ID: <20070817105604.GA9640@garage.freebsd.pl> References: <1187099341.17556.44.camel@opus.cse.buffalo.edu> <20070814165423.ebuvjb6dwswkgc8g@webmail.leidinger.net> <20070814153519.GA18648@rot26.obsecurity.org> <86643h3isp.fsf@ds4.des.no> <20070814213515.GA23492@rot26.obsecurity.org> <86d4xp21i3.fsf@ds4.des.no> <86lkccorig.fsf@ds4.des.no> <86tzqz5ia2.fsf@ds4.des.no> <86k5rv5eeg.fsf_-_@ds4.des.no> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/04w6evG8XlLl3ft" Content-Disposition: inline In-Reply-To: <86k5rv5eeg.fsf_-_@ds4.des.no> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: current@freebsd.org, mohans@freebsd.org Subject: Re: NFS hangs (was: Re: FBSD-7.0 status...) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2007 10:57:05 -0000 --/04w6evG8XlLl3ft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 16, 2007 at 11:59:51PM +0200, Dag-Erling Sm??rgrav wrote: > [continuing a thread from another list about client-side NFS issues with > recent kernels] >=20 > Fresh 7.0-CURRENT-200706-i386 install; no rc.conf, no configuration > other than listing the root fs in /etc/fstab and symlinking /boot/kernel > to /boot/GENERIC; PXE / NFS unattended boot to multiuser hangs while > writing /var/run/dmesg.boot. The file remains empty on the NFS server. > Complete tcpdump (from power-on to reset) attached. 10.0.0.4 is the > server ("ds4"), 10.0.0.10 is the client ("xps"). >=20 > This really surprises me, as my web server is running fine with a > 2007-07-03 kernel (but fails with a 2007-07-29 kernel) as an NFS client > against the same server. >=20 > Starting to think it might be a server issue after all. The server runs > CURRENT from 2007-08-03. All exported file systems are ZFS; should I > try to disable the ZIL? That's the one part of ZFS I can think of that > would interact with NFS in a way other file systems don't. I can't see how ZIL can make any difference visible for NFS clients, except when your NFS server crashes. Although I'd keep ZFS on suspects list, as exporting ZFS file systems over NFS wasn't really heavily tested. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --/04w6evG8XlLl3ft Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFGxX7EForvXbEpPzQRAiRvAKCrEHT0WRtmxCQcALOynlSZa+oebgCfXFmO xGTjBY3YDTWPWMG8dBYtQCw= =gKEz -----END PGP SIGNATURE----- --/04w6evG8XlLl3ft--