From owner-freebsd-stable@FreeBSD.ORG Thu Jul 6 00:33:43 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4D02416A4DF for ; Thu, 6 Jul 2006 00:33:43 +0000 (UTC) (envelope-from freebsd@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id C4D6E43D45 for ; Thu, 6 Jul 2006 00:33:42 +0000 (GMT) (envelope-from freebsd@hub.org) Received: from localhost (wm.hub.org [200.46.204.128]) by hub.org (Postfix) with ESMTP id 2AA1E290C2C; Wed, 5 Jul 2006 21:33:35 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 89094-01; Thu, 6 Jul 2006 00:33:40 +0000 (UTC) Received: from ganymede.hub.org (blk-7-151-244.eastlink.ca [71.7.151.244]) by hub.org (Postfix) with ESMTP id 9D646290C29; Wed, 5 Jul 2006 21:33:34 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1027) id 0013D37EC9; Wed, 5 Jul 2006 21:33:40 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id EE36C3769F; Wed, 5 Jul 2006 21:33:40 -0300 (ADT) Date: Wed, 5 Jul 2006 21:33:40 -0300 (ADT) From: User Freebsd To: Francisco Reyes In-Reply-To: Message-ID: <20060705213223.U1171@ganymede.hub.org> References: <20060704092127.GA55167@lpthe.jussieu.fr> <44AABBD9.4000603@samsco.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org, Michel Talon Subject: Re: NFS Locking Issue X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jul 2006 00:33:43 -0000 On Wed, 5 Jul 2006, Francisco Reyes wrote: > Scott Long writes: > >> For what it's worth, I recently spent a lot of time putting FreeBSD 6.1 >> to the test as both an NFS client and server in a mixed OS environment. > > I have a few debugging settings/suggestions that have been sent my way and I > plan to try them tonight, but this is just another report.. > > FreeBSD only environment. > Today after hours going crazy with horrible performance I brought down nfsd > and brought it back up.. that simple process got vmstat 'b' column down and > everything was back to normal. > > Again this will not help anyone troubleshoot, but just to mention that it > happens even with a FreeBSD only environment. 'k, to those out there that know what is useful, and what isn't ... If Francisco had DDB enabled, did a CTL-ALT-ESC when the above happens, and does a 'panic' to crash the server and dump a core ... can anything useful be gleamed from that core dump? ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664