From owner-freebsd-stable@FreeBSD.ORG Tue Apr 25 14:56:12 2006 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C42F616A400 for ; Tue, 25 Apr 2006 14:56:12 +0000 (UTC) (envelope-from cdillon@wolves.k12.mo.us) Received: from mail.wolves.k12.mo.us (mail.wolves.k12.mo.us [207.160.214.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 46BA343D46 for ; Tue, 25 Apr 2006 14:56:12 +0000 (GMT) (envelope-from cdillon@wolves.k12.mo.us) Received: from localhost (localhost [127.0.0.1]) by mail.wolves.k12.mo.us (Postfix) with ESMTP id 7DDBFB83A; Tue, 25 Apr 2006 09:56:11 -0500 (CDT) Received: from mail.wolves.k12.mo.us ([127.0.0.1]) by localhost (mail.wolves.k12.mo.us [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 98423-01-59; Tue, 25 Apr 2006 09:56:10 -0500 (CDT) Received: from wolves.k12.mo.us (localhost [127.0.0.1]) by mail.wolves.k12.mo.us (Postfix) with ESMTP id C6F9AB82F; Tue, 25 Apr 2006 09:56:10 -0500 (CDT) Received: from cdtech.int.wolves.k12.mo.us (cdtech.int.wolves.k12.mo.us [10.1.3.200]) by www.wolves.k12.mo.us (Horde MIME library) with HTTP; Tue, 25 Apr 2006 09:56:10 -0500 Message-ID: <20060425095610.ibv24kg1kw00s040@www.wolves.k12.mo.us> Date: Tue, 25 Apr 2006 09:56:10 -0500 From: Chris Dillon To: Kostik Belousov References: <20060423201732.GA74905@xor.obsecurity.org> <20060424091803.L20593@woozle.rinet.ru> <20060424215650.P36233@woozle.rinet.ru> <20060424181531.GA13774@xor.obsecurity.org> <20060425001751.S44618@woozle.rinet.ru> <20060424202859.GA18457@xor.obsecurity.org> <20060425004405.G44618@woozle.rinet.ru> <20060424205026.GA18844@xor.obsecurity.org> <20060425134418.J57625@woozle.rinet.ru> <20060425080932.1rv9hq0rcws4wc84@www.wolves.k12.mo.us> <20060425133532.GD1446@deviant.kiev.zoral.com.ua> In-Reply-To: <20060425133532.GD1446@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: 7bit User-Agent: Internet Messaging Program (IMP) H3 (4.1) / FreeBSD-6.1 X-Virus-Scanned: amavisd-new at wolves.k12.mo.us Cc: stable@freebsd.org, Dmitry Morozovsky , Kris Kennaway Subject: Re: fsck_ufs locked in snaplk X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Apr 2006 14:56:12 -0000 Quoting Kostik Belousov : >> I'm going to update to the latest 6.1 code this evening and enable >> INVARIANTS, WITNESS, and the two DEBUG_LOCKS options to the kernel to >> see if it catches anything. >> > Please, also add DDB to the kernel and show the result of the > show lockedvnodes > alltrace > ps > in the DDB after the deadlock, as asked by Kris Kennaway earlier > in this thread ! > OK, I've added DDB, but all of the information I might gather I'll have to write down by hand since I have no serial console access. :-(