From owner-freebsd-current@FreeBSD.ORG Sat May 26 10:05:12 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5B9D016A477; Sat, 26 May 2007 10:05:12 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (transport.cksoft.de [62.111.66.27]) by mx1.freebsd.org (Postfix) with ESMTP id 109A913C484; Sat, 26 May 2007 10:05:12 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (localhost [127.0.0.1]) by transport.cksoft.de (Postfix) with ESMTP id 42ED41FFD99; Sat, 26 May 2007 12:05:10 +0200 (CEST) Received: by transport.cksoft.de (Postfix, from userid 66) id E60281FFC58; Sat, 26 May 2007 12:05:05 +0200 (CEST) Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net [10.111.66.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.int.zabbadoz.net (Postfix) with ESMTP id 300C944487F; Sat, 26 May 2007 10:04:46 +0000 (UTC) Date: Sat, 26 May 2007 10:04:46 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: Joao Barros In-Reply-To: <70e8236f0705260236x527b0484m96bc77ae51d8b287@mail.gmail.com> Message-ID: <20070526100322.N13311@maildrop.int.zabbadoz.net> References: <70e8236f0705260236x527b0484m96bc77ae51d8b287@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Scanned: by AMaViS cksoft-s20020300-20031204bz on transport.cksoft.de Cc: freebsd-fs@freebsd.org, freebsd-current , Pawel Jakub Dawidek Subject: Re: ZFS: LOR in dbuf.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: Sat, 26 May 2007 10:05:12 -0000 On Sat, 26 May 2007, Joao Barros wrote: > Hi Pawel, > > I upgraded my sources last night (just before your 2 commits) and now > I get this constant LOR every 5 seconds: > > lock order reversal: > 1st 0xc7b90c20 zfs:&dr->dt.di.dr_mtx (zfs:&dr->dt.di.dr_mtx) @ > /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1866 > 2nd 0xc48e17e4 zfs:&db->db_mtx (zfs:&db->db_mtx) @ > /usr/src/sys/modules/zfs/../../contrib/opensolaris/uts/common/fs/zfs/dbuf.c:1888 please check http://sources.zabbadoz.net/freebsd/lor.html and follow the instruction there. Read to the end of the page. -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT