From owner-freebsd-current@FreeBSD.ORG Tue Jun 29 13:51:28 2010 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 5B608106566B for ; Tue, 29 Jun 2010 13:51:28 +0000 (UTC) (envelope-from mj@feral.com) Received: from ns1.feral.com (ns1.feral.com [192.67.166.1]) by mx1.freebsd.org (Postfix) with ESMTP id 226528FC15 for ; Tue, 29 Jun 2010 13:51:27 +0000 (UTC) Received: from [192.168.0.100] (m206-63.dsl.tsoft.com [198.144.206.63]) by ns1.feral.com (8.14.3/8.14.3) with ESMTP id o5TDpRib082802 for ; Tue, 29 Jun 2010 06:51:27 -0700 (PDT) (envelope-from mj@feral.com) Message-ID: <4C29FA5F.8010806@feral.com> Date: Tue, 29 Jun 2010 06:51:27 -0700 From: Matthew Jacob User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.10) Gecko/20100512 Thunderbird/3.0.5 MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <871vbq74d9.fsf@kobe.laptop> In-Reply-To: <871vbq74d9.fsf@kobe.laptop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Default is to whitelist mail, not delayed by milter-greylist-4.2.3 (ns1.feral.com [192.67.166.1]); Tue, 29 Jun 2010 06:51:27 -0700 (PDT) Subject: Re: lock recursion panic in cam_xpt.c 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, 29 Jun 2010 13:51:28 -0000 On 6/28/2010 11:13 PM, Giorgos Keramidas wrote: > A recent CURRENT build from /head @ 209581 panics when I run > "cdrecord -scanbus" with the attached backtrace. The culprit > seems to be the extra call fo xpt_lock_buses() added in head rev > 208752, but I'm not sure if this is the real cause yet. > > Thanks I'm already on it and working it.