From owner-freebsd-current@FreeBSD.ORG Tue Jul 21 15:29:17 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 656821065676; Tue, 21 Jul 2009 15:29:17 +0000 (UTC) (envelope-from spambox@haruhiism.net) Received: from fujibayashi.jp (karas.fujibayashi.jp [77.221.159.4]) by mx1.freebsd.org (Postfix) with ESMTP id 1B7168FC1A; Tue, 21 Jul 2009 15:29:16 +0000 (UTC) (envelope-from spambox@haruhiism.net) Received: from [192.168.0.10] (datacenter.telecombusinessconsulting.net [77.221.137.211]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by fujibayashi.jp (Postfix) with ESMTPSA id 15DF378F50; Tue, 21 Jul 2009 19:29:15 +0400 (MSD) Message-ID: <4A65DEC6.3020608@haruhiism.net> Date: Tue, 21 Jul 2009 19:29:10 +0400 From: Kamigishi Rei User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: John Baldwin References: <4A659F98.2060007@haruhiism.net> <200907211027.06589.jhb@freebsd.org> <4A65D1CD.40006@haruhiism.net> <200907211114.47691.jhb@freebsd.org> In-Reply-To: <200907211114.47691.jhb@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Lawrence Stewart , freebsd-current@freebsd.org Subject: Re: [follow-up] Fatal trap 12 in r195146+ in netisr_queue_internal 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: Tue, 21 Jul 2009 15:29:17 -0000 John Baldwin wrote: > v didn't change, it was always the busted value. Somehow mtx_lock was > corrupted to the value 0x14ee000 perhaps due to a buffer overflow bug or > something else. > I see; I'll try to track where exactly it becomes corrupted, then. Thanks for the input. (Then, I suppose, this corruption remains in the seemingly 'fixed' revisions as it's probably just padded somewhere.) Please forgive my lack of knowledge in concurrent execution related stuff. -- Kamigishi Rei KREI-RIPE