From owner-freebsd-questions@FreeBSD.ORG Thu Jan 29 03:23:38 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D798716A4CE for ; Thu, 29 Jan 2004 03:23:38 -0800 (PST) Received: from discordia.pl (discordia.pl [212.160.154.199]) by mx1.FreeBSD.org (Postfix) with ESMTP id CEC8D43D39 for ; Thu, 29 Jan 2004 03:23:37 -0800 (PST) (envelope-from toread@discordia.pl) Received: from localhost (localhost.discordia.pl [127.0.0.1]) by discordia.pl (Postfix) with ESMTP id 002967380F for ; Thu, 29 Jan 2004 12:23:28 +0100 (CET) Received: from discordia.pl ([127.0.0.1]) by localhost (discordia.pl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 11325-04 for ; Thu, 29 Jan 2004 12:23:26 +0100 (CET) Received: by discordia.pl (Postfix, from userid 1001) id 8602173811; Thu, 29 Jan 2004 12:23:26 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by discordia.pl (Postfix) with ESMTP id 6A3497380F for ; Thu, 29 Jan 2004 12:23:26 +0100 (CET) Date: Thu, 29 Jan 2004 12:23:26 +0100 (CET) From: Piotr Gnyp To: freebsd-questions@freebsd.org Message-ID: Organization: The Golden Apple Corp MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by amavisd-new (DrWeb at discordia.pl) Subject: Lock order reversal X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jan 2004 11:23:39 -0000 What is exactly lock order reversal? I`ve encountered something like this on my console: lock order reversal 1st 0xc720dce4 vm object (vm object) @ vm/swap_pager.c:1323 2nd 0xc06c01a0 swap_pager swhash (swap_pager swhash) @ vm/swap_pager.c:1838 3rd 0xc0c358c4 vm object (vm object) @ vm/uma_core.c:873 System: FreeBSD 5.2-RELEASE