From: Kasparek Tomas Subject: Re: [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Date: Fri, 9 Jan 2009 15:56:38 +0100 Message-ID: <20090109145638.GC47559@fit.vutbr.cz> References: <1228090631.7112.11.camel@heimdal.trondhjem.org> <1228091380.7112.17.camel@heimdal.trondhjem.org> <20081202152256.GI47559@fit.vutbr.cz> <1228232222.3090.5.camel@heimdal.trondhjem.org> <20081202162625.GM47559@fit.vutbr.cz> <1228241407.3090.7.camel@heimdal.trondhjem.org> <20081204102314.GW47559@fit.vutbr.cz> <1229284201.6463.98.camel@heimdal.trondhjem.org> <20081216120547.GS47559@fit.vutbr.cz> <1230071647.17701.27.camel@heimdal.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-nfs@vger.kernel.org To: Trond Myklebust Return-path: Received: from kazi.fit.vutbr.cz ([147.229.8.12]:54433 "EHLO kazi.fit.vutbr.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751074AbZAIO4o (ORCPT ); Fri, 9 Jan 2009 09:56:44 -0500 In-Reply-To: <1230071647.17701.27.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Tue, Dec 23, 2008 at 05:34:07PM -0500, Trond Myklebust wrote: > On Tue, 2008-12-16 at 13:05 +0100, Kasparek Tomas wrote: > > Hm, not happy to say that but it still does not work after some time. Now > > the problem is opposite there are no connections to the server according to > > netstat on client, just time to time there is > > > > pcnlp1.fit.vutbr.cz.15234 > kazi.fit.vutbr.cz.nfs: 40 null > > kazi.fit.vutbr.cz.nfs > pcnlp1.fit.vutbr.cz.15234: reply ok 24 null > > > > (kazi is server). Will try to investigate more details. > > OK. Here is one more try. I've tightened up some locking issues with the > previous patch. Did tried this new version. Applied it to 2.6.27.10, but the behaviour is the same like with the first version - when old mounts are removed by amd new one are not created, fter a while, there are no sockets on the client and just CLOSED sockets on server. Client is issuing null RPC checks each 30sec and they are OK, but no other communication between client and server takes place. 15:45:41.238796 IP pcnlp1.897490 > kazi.nfs: 40 null 15:45:41.239009 IP kazi.nfs > pcnlp1.897490: reply ok 24 null I will try to get more info, but if you have some idea where to look or what to try, it will be helpful. Thanks for your help -- Tomas Kasparek, PhD student E-mail: kasparek@fit.vutbr.cz CVT FIT VUT Brno, L127 Web: http://www.fit.vutbr.cz/~kasparek Bozetechova 1, 612 66 Fax: +420 54114-1270 Brno, Czech Republic Phone: +420 54114-1220 jabber: tomas.kasparek-2ASvDZBniIelVyrhU4qvOw@public.gmane.org GPG: 2F1E 1AAF FD3B CFA3 1537 63BD DCBE 18FF A035 53BC