From: "Morrison, Tom" Subject: NFS/RPC Hangs after updating time... Date: Wed, 22 Aug 2007 14:37:22 -0400 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: linux-kernel@vger.kernel.org, "Rushton, Matt" To: Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1INv5k-0005Hn-UP for nfs@lists.sourceforge.net; Wed, 22 Aug 2007 11:38:09 -0700 Received: from empbedex1.empirix.com ([12.38.203.54]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1INv5o-0000Lw-4h for nfs@lists.sourceforge.net; Wed, 22 Aug 2007 11:38:13 -0700 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 Hi, I've got an unusual problem with a corner case that I am investigating. I've tried 'googling' around to find if someone has discussed this before, but I have yet to find any discussion close to this - so I bring it to your collective minds... 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). Thanks for any ideas you have on this subject. Sincerely, Tom Morrison Principal S/W Engineer Empirix, Inc (www.empirix.com) tmorrison@empirix.com (781) 266 - 3567 ------------------------------------------------------------------------- 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