From: Trond Myklebust Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export. Date: Mon, 18 Aug 2008 15:20:58 -0400 Message-ID: <1219087258.7192.19.camel@localhost> References: Mime-Version: 1.0 Content-Type: text/plain Cc: linux-kernel@vger.kernel.org, neilb@suse.de, bfields@fieldses.org, linux-nfs@vger.kernel.org To: Grant Coady Return-path: Received: from mail-out1.uio.no ([129.240.10.57]:51891 "EHLO mail-out1.uio.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751291AbYHRTVD (ORCPT ); Mon, 18 Aug 2008 15:21:03 -0400 In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, 2008-08-18 at 12:02 +1000, Grant Coady wrote: > Hi there, > > I've been using NFS here for years, lately there's something odd going on > since about a month or so. Previously reported last month: > http://www.gossamer-threads.com/lists/linux/kernel/951419?page=last > > Now with 2.6.27-rc3 on one of the client boxes I get a complete stall > at odd times when accessing the server's exported directory, cannot > see a pattern to it. Eventually recovers after a Ctrl-C. Nothing in > the server or client log files. Not easy to reproduce either. > > The server runs 2.6.26.2 at the moment. > > Server config, etc: http://bugsplatter.id.au/kernel/boxen/deltree/ > Client config, etc: http://bugsplatter.id.au/kernel/boxen/pooh/ Please try to reproduce the hang, then do echo 0 >/proc/sys/sunrpc/rpc_debug and send the output from 'dmesg'... Cheers Trond