From owner-freebsd-current@FreeBSD.ORG Fri Aug 13 17:26:35 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7AD9916A57A for ; Fri, 13 Aug 2004 17:26:34 +0000 (GMT) Received: from mail1.speakeasy.net (mail1.speakeasy.net [216.254.0.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5498143D31 for ; Fri, 13 Aug 2004 17:26:34 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 19050 invoked from network); 13 Aug 2004 17:26:34 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 13 Aug 2004 17:26:33 -0000 Received: from [10.50.40.208] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i7DHQOHB008964; Fri, 13 Aug 2004 13:26:29 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org Date: Fri, 13 Aug 2004 11:24:39 -0400 User-Agent: KMail/1.6.2 References: <20040813163308.R31181@cvs.imp.ch> In-Reply-To: <20040813163308.R31181@cvs.imp.ch> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200408131124.39761.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: Martin Blapp Subject: Re: LOR in pseudofs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Fri, 13 Aug 2004 17:26:35 -0000 On Friday 13 August 2004 10:42 am, Martin Blapp wrote: > lock order reversal > 1st 0xc0903e40 pseudofs_vncache (pseudofs_vncache) @ > /usr/src/sys/fs/pseudofs/pseudofs_vncache.c:226 > 2nd 0xc0908260 Giant (Giant) @ /usr/src/sys/kern/kern_synch.c:249 > KDB: stack backtrace: > kdb_backtrace(c085002d,c0908260,c084d1f1,c084d1f1,c084dea8) at > kdb_backtrace+0x2f This just a result of the first warning. If you sleep while holding a lock you will always get a LOR with Giant when you resume. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org