From owner-freebsd-current@FreeBSD.ORG Thu Sep 1 17:45:39 2005 Return-Path: X-Original-To: current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C949B16A41F; Thu, 1 Sep 2005 17:45:39 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: from mv.twc.weather.com (mv.twc.weather.com [65.212.71.225]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4BD7C43D46; Thu, 1 Sep 2005 17:45:39 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: from [10.50.40.201] (Not Verified[10.50.40.201]) by mv.twc.weather.com with NetIQ MailMarshal (v6, 0, 3, 8) id ; Thu, 01 Sep 2005 14:01:00 -0400 From: John Baldwin To: current@FreeBSD.org Date: Thu, 1 Sep 2005 13:46:31 -0400 User-Agent: KMail/1.8 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200509011346.32361.jhb@FreeBSD.org> Cc: Robert Watson Subject: Witness patch X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Sep 2005 17:45:39 -0000 This patch forces witness to complain if any mutex is held when Giant is locked to enforce Giant being the first mutex in the lock order. This might help track down some of the network LORs being reported recently. http://www.FreeBSD.org/~jhb/patches/witness.patch -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org