From owner-freebsd-current@FreeBSD.ORG Mon Aug 18 14:46:46 2008 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BE2A91065724; Mon, 18 Aug 2008 14:46:46 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 5B3DC8FC20; Mon, 18 Aug 2008 14:46:46 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from zion.baldwin.cx (zion.baldwin.cx [IPv6:2001:470:1f11:75:2a0:d2ff:fe18:8b38]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m7IEkWkO052949; Mon, 18 Aug 2008 10:46:40 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: Alfred Perlstein Date: Mon, 18 Aug 2008 09:50:00 -0400 User-Agent: KMail/1.9.7 References: <20080818091633.GA16977@elvis.mu.org> In-Reply-To: <20080818091633.GA16977@elvis.mu.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808180950.00608.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [IPv6:2001:470:1f11:75::1]); Mon, 18 Aug 2008 10:46:40 -0400 (EDT) X-Virus-Scanned: ClamAV 0.93.1/8053/Mon Aug 18 08:42:12 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00,NO_RELAYS autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: current@freebsd.org Subject: Re: several lock order reversals in VFS suddenly. 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: Mon, 18 Aug 2008 14:46:46 -0000 On Monday 18 August 2008 05:16:33 am Alfred Perlstein wrote: > Hey guys, I just updated to -current to play with usb2 and noticed > a few lock order reversals, any ideas? Yes, current@ now tracks LOR's for lockmgr locks, so you now see warnings for old reversals that weren't reported before. -- John Baldwin