From: "Andrew Dixie" Subject: Re: (fwd) nfs hang on 2.6.24 Date: Wed, 6 Feb 2008 19:24:15 +1300 Message-ID: <003301c86888$ed735a20$0301a8c0@MURTLE> References: <20080205090132.GA8286@stro.at> <1202248931.12271.18.camel@heimdal.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Cc: , "maximilian attems" To: "Trond Myklebust" Return-path: Received: from mta02.xtra.co.nz ([210.54.141.253]:45700 "EHLO mta02.xtra.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755231AbYBFHGB (ORCPT ); Wed, 6 Feb 2008 02:06:01 -0500 Sender: linux-nfs-owner@vger.kernel.org List-ID: > The fact that the delegreturn call appears to have hit xprt_timer is > interesting. Under normal circumstances, timeouts should never occur > under NFSv4. Could you tell us what mount options you're using here? > > Also please could you confirm for us that the server is still up and > responding to requests from other clients. The mount options were defaults: i.e. mount -t nfs4 server:/mnt /mnt sshd has died. I will confrim exactly what is in /proc/mounts when I get physical access. The server is still up serving active nfsv3 clients. I mounted nfsv4 on another client and that worked too. The following appears in the server logs: Feb 4 08:28:01 devfile kernel: NFSD: setclientid: string in use by client(clientid 47945499/00001c88) Feb 4 08:34:18 devfile kernel: NFSD: setclientid: string in use by client(clientid 47945499/00001c8d) Feb 4 08:38:02 devfile kernel: NFSD: setclientid: string in use by client(clientid 47945499/00001c8f) Feb 4 10:01:02 devfile kernel: NFSD: setclientid: string in use by client(clientid 47a627bd/00000002) Feb 4 10:07:37 devfile kernel: NFSD: setclientid: string in use by client(clientid 47a627bd/00000005) Feb 4 10:17:02 devfile kernel: NFSD: setclientid: string in use by client(clientid 47a627bd/0000019e) Feb 5 07:59:58 devfile kernel: NFSD: setclientid: string in use by client(clientid 47a627bd/000003f2) Feb 5 08:01:02 devfile kernel: NFSD: setclientid: string in use by client(clientid 47a627bd/000003f3) These are not close to the times that it hung. Prior to Feb 4 it occurs 10 to 50 times a day (from when the client was running 2.6.18 kernel) There is only one nfsv4 client. Thanks, Andrew