From owner-freebsd-hackers@FreeBSD.ORG Sun Dec 25 12:09:54 2005 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0455D16A41F for ; Sun, 25 Dec 2005 12:09:54 +0000 (GMT) (envelope-from delphij@gmail.com) Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1F0CF43D58 for ; Sun, 25 Dec 2005 12:09:53 +0000 (GMT) (envelope-from delphij@gmail.com) Received: by zproxy.gmail.com with SMTP id 8so958047nzo for ; Sun, 25 Dec 2005 04:09:52 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=BRWe0EARREB+pWnrmCl96InzQKabssiU3FDdvI2C1dMkntP7t7I3+aPy8hAcVzm39zOdRlWcdx0DT8K1kb7xgiWT5xtPhu5YRYR0GWWvktN5UVkDetBYuGK1po/z5+9AeGKqa6q0mg8U8q5KRwPv8zHCQp6rHtIh5tZAMMaHNME= Received: by 10.64.203.5 with SMTP id a5mr1284005qbg; Sun, 25 Dec 2005 04:09:52 -0800 (PST) Received: by 10.65.72.5 with HTTP; Sun, 25 Dec 2005 04:09:52 -0800 (PST) Message-ID: Date: Sun, 25 Dec 2005 20:09:52 +0800 From: Xin LI To: kamal kc In-Reply-To: <20051225110044.13099.qmail@web35707.mail.mud.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20051225110044.13099.qmail@web35707.mail.mud.yahoo.com> Cc: freebsd Subject: Re: Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: delphij@delphij.net List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Dec 2005 12:09:54 -0000 Hi, On 12/25/05, kamal kc wrote: [...] > Is the problem related to memory leaks or sleeping > on mutexes or some other causes. >From the backtrace you have provided, it looks like a memory corruption. In order to aid your debugging, you will want INVARIANTS and WITESS, etc. to be enabled. Also, if feasible, please consider using code from -CURRENT or at least RELENG_6_0, as there are more debugging aids that is likely to catch bugs early. Cheers, -- Xin LI http://www.delphij.net