From: "J. Bruce Fields" Subject: Re: NFS/RPC Hangs after updating time... Date: Wed, 22 Aug 2007 16:26:39 -0400 Message-ID: <20070822202639.GL20946@fieldses.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net, linux-kernel@vger.kernel.org, "Rushton, Matt" To: "Morrison, Tom" Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1INwmm-0008Cx-So for nfs@lists.sourceforge.net; Wed, 22 Aug 2007 13:26:40 -0700 Received: from mail.fieldses.org ([66.93.2.214] helo=fieldses.org) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1INwmq-0008AW-1L for nfs@lists.sourceforge.net; Wed, 22 Aug 2007 13:26:45 -0700 In-Reply-To: List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On Wed, Aug 22, 2007 at 02:37:22PM -0400, Morrison, Tom wrote: > I am working with a 2.6.11++ kernel on an embedded > server platform that is NFS serving Linux rootfs > for other embedded NFS Client boards. > > Everything works fine when the system time on the > server board is relatively synchronized with the real-time. > > It hangs after attempting to update the time from a > nonsensical time (e.g.: 2 months ago) - the most significant > part of it is that it only hangs IFF it has started > serving its NFS client boards before I attempt to > update the time. > > > The most significant output (when turning on > RPC debugging) is from: > > linux/net/sunrpc/cache.c (cache_check) - line 90: > > >> Want update, refage=1800, age=4288285 > > It continually loops through this method - and the cache > never gets updated...even thought with some additional > sleuthing (aka: additional debug printks - it thinks > that there is an cache update pending). Can you reproduce the problem with the current kernel? (Say 2.6.22 or later?) --b. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs