From: Ian Campbell Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export. Date: Fri, 22 Aug 2008 23:41:43 +0100 Message-ID: <1219444903.27921.65.camel@localhost.localdomain> References: <1219087258.7192.19.camel@localhost> <1219400624.18774.67.camel@zakaz.uk.xensource.com> <1219428489.6919.21.camel@localhost> <1219428818.27921.43.camel@localhost.localdomain> <56a8daef0808221233h68853587n6015ca7d809b17e1@mail.gmail.com> <1219435207.27921.51.camel@localhost.localdomain> <1219440202.9097.14.camel@localhost> <1219441041.27921.57.camel@localhost.localdomain> <1219442213.9097.25.camel@localhost> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-bxvbPgWU/qS2+K/bctcs" Cc: John Ronciak , Grant Coady , linux-kernel@vger.kernel.org, neilb@suse.de, bfields@fieldses.org, linux-nfs@vger.kernel.org, Jeff Kirsher , Jesse Brandeburg , Bruce Allan , PJ Waskiewicz , John Ronciak , e1000-devel@lists.sourceforge.net To: Trond Myklebust Return-path: Received: from mtaout02-winn.ispmail.ntl.com ([81.103.221.48]:40818 "EHLO mtaout02-winn.ispmail.ntl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752351AbYHVWlv (ORCPT ); Fri, 22 Aug 2008 18:41:51 -0400 In-Reply-To: <1219442213.9097.25.camel@localhost> Sender: linux-nfs-owner@vger.kernel.org List-ID: --=-bxvbPgWU/qS2+K/bctcs Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2008-08-22 at 14:56 -0700, Trond Myklebust wrote: > On Fri, 2008-08-22 at 22:37 +0100, Ian Campbell wrote: > > I can ssh to the server fine. The same server also serves my NFS home > > directory to the box I'm writing this from and I've not seen any troubl= e > > with this box at all, it's a 2.6.18-xen box. >=20 > OK... Are you able to reproduce the problem reliably? It usually happens in around a day, but I can't make it happen at will so that I can arrange to be present at the time. It has usually locked up over night in the past. > If so, can you provide me with a binary tcpdump or wireshark dump? If > using tcpdump, then please use something like >=20 > tcpdump -w /tmp/dump.out -s 90000 host myserver.foo.bar and port 2049 I'll try leaving this going overnight but using -C and -W to limit the size to the disk space available. > Please also try to provide a netstat dump of the current TCP connections > as soon as the hang occurs: >=20 > netstat -t Will do it ASAP after it happens. Ian. --=20 Ian Campbell revision 1.17.2.7 date: 2001/05/31 21:32:44; author: branden; state: Exp; lines: +1 -1 ARRRRGH!! GOT THE G** D*** SENSE OF A F******* TEST BACKWARDS! --=-bxvbPgWU/qS2+K/bctcs Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkivQKcACgkQM0+0qS9rzVmsKgCeMaRkuiWw6jzKAcu2lWWP2oGl N4AAoIBRSMwibWM9yIxIRXlyEt4siGKM =EAxU -----END PGP SIGNATURE----- --=-bxvbPgWU/qS2+K/bctcs--