From: Adam Schrotenboer Subject: Re: [opensuse] nfs_update_inode: inode X mode changed, Y to Z Date: Wed, 12 Mar 2008 11:16:04 -0700 Message-ID: <47D81DE4.5040303@m2000.com> References: <47CF0829.4020502@m2000.com> <1204752463.5035.34.camel@heimdal.trondhjem.org> <47CF157B.1010908@m2000.com> <18383.24847.381754.517731@notabene.brown> <47CF62C5.7000908@m2000.com> <18384.50909.866848.966192@notabene.brown> <47D0D8B5.6050403@m2000.com> <47D818FB.8080302@m2000.com> <1205345284.9419.8.camel@heimdal.trondhjem.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig5BE7FD79FB07E04B58B7B750" Cc: Neil Brown , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, Thomas Daniel , jesper.juhl@gmail.com, Fred Revenu To: Trond Myklebust Return-path: Received: from asterix.m2000.com ([212.155.102.83]:3106 "EHLO asterix.m2000.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751803AbYCLSQQ (ORCPT ); Wed, 12 Mar 2008 14:16:16 -0400 In-Reply-To: <1205345284.9419.8.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5BE7FD79FB07E04B58B7B750 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Trond Myklebust wrote: > On Wed, 2008-03-12 at 10:55 -0700, Adam Schrotenboer wrote: > =20 >> Another excerpt from last night. >> >> Mar 12 00:53:16 wanda kernel: nfs: server 192.168.1.27 not responding,= =20 >> still trying >> Mar 12 00:53:18 wanda kernel: nfs: server 192.168.1.27 OK >> Mar 12 00:54:29 wanda kernel: nfs_update_inode: inode 1075049148 mode = >> changed, 0040755 to 0100644 >> =20 > > Hang on. That does not look like an XID collision problem... > > That code path basically means that the fileids/inode numbers match, > which would not be the case if we were talking about an XID collision > causing the reply cache to replay an old request... > > That message rather symptomatic of a filehandle reuse problem. In other= > words a NFS filehandle appears to be reused to label a regular file > after it has been used for a directory with the same fileid/inode > number. That is a definite server bug. > > Are you sure that you are using the regular kernel nfs server? > > =20 Quite. OpenSuSE 10.2 stock unmodified kernel. dolphin:~ # uname -a Linux dolphin 2.6.18.2-34-default #1 SMP Mon Nov 27 11:46:27 UTC 2006=20 x86_64 x86_64 x86_64 GNU/Linux dolphin:~ # top -bn1 |grep nfsd PID PPID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAN= D 3916 1 root 15 0 0 0 0 S 0 0.0 3:04.42 nfsd 3942 1 root 15 0 0 0 0 S 0 0.0 3:11.88 nfsd (there's quite a bit more of these threads than this (32), but they all=20 look the same in top or ps) --------------enig5BE7FD79FB07E04B58B7B750 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFH2B3kyWYDdvnGArwRAm4XAJ9KOX7o3+qns7jvH04eiXOWCxTyIQCfZHTN Qo7L6AtD7GzZyDVFRjZNxJU= =4eHi -----END PGP SIGNATURE----- --------------enig5BE7FD79FB07E04B58B7B750--