From owner-freebsd-current@FreeBSD.ORG Wed Jan 28 20:41:06 2009 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 19A4E1065874 for ; Wed, 28 Jan 2009 20:41:06 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id DF5CB8FC13 for ; Wed, 28 Jan 2009 20:41:05 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (pool-98-109-39-197.nwrknj.fios.verizon.net [98.109.39.197]) by cyrus.watson.org (Postfix) with ESMTPSA id 8A90746B06; Wed, 28 Jan 2009 15:41:05 -0500 (EST) Received: from localhost (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.3/8.14.3) with ESMTP id n0SKekci099624; Wed, 28 Jan 2009 15:40:59 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-current@freebsd.org Date: Wed, 28 Jan 2009 14:53:57 -0500 User-Agent: KMail/1.9.7 References: <03a001c96f1b$3fa09b20$bee1d160$@muni.cz> In-Reply-To: <03a001c96f1b$3fa09b20$bee1d160$@muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200901281453.58214.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Wed, 28 Jan 2009 15:40:59 -0500 (EST) X-Virus-Scanned: ClamAV 0.94.2/8914/Wed Jan 28 01:40:00 2009 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Petr Holub Subject: Re: 8.0-SNAPSHOT200812 reversed locks 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: Wed, 28 Jan 2009 20:41:06 -0000 On Monday 05 January 2009 4:51:51 am Petr Holub wrote: > Hi all, > > after booting a 8.0-SNAPSHOT200812 DVD on my T61p and entering > the fixit ``live'' mode, I've encountered the following > messages about reversed locks: > > DEBUG: ioctl(3, TIOCCONS, NULL) = 0 (success) > DEBUG: MADT: Found CPU APIC ID 0 enabled > DEBUG: MADT: Found CPU APIC ID 1 enabled > lock order reversal: > 1st 0xc6e43164 isofs (isofs) @ /usr/src/sys/kern/vfs_subr.c:2079 > 2nd 0xda8e7960 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443 > 3rd 0xc6ed0488 isofs (isofs) @ /usr/src/sys/fs/cd9660/cd9660_vfsops.c:676 > KDB: stack backtrace: > db_trace_self_wrapper(...) at db_trace_self_wrapper+0x26 > kdb_backtrace(...) at kdb_backtrace+0x29 > _witness_debugger(...) at _witness_debugger+0x25 > witness_checkorder(...) at witness_checkorder+0x839 > __lockmgr_args(...) at __lockmgr_args+0x797 > cd9660_vget_internal(...) at cd9660_vget_internal+0x118 > cd9660_lookup(...) at cd9660_lookup+0x73f > VOP_CACHEDLOOKUP_APV(...) at VOP_CACHED_LOOKUP+0xa5 > vfs_cache_lookup(...) at vfs_cache_lookup+0xcc > VOP_LOOKUP_APV(...) at VOP_LOOKUP_APV+0xa5 > lookup(...) at lookup+0x0x57e > namei(...) at namei+0x04db > kern_accessat(...) at kern_accessat+0x94 > kern_access(...) at kern_access+0x36 > access(...) at access+0x29 > syscall(c67d1d38) at syscall+0x2a3 > Xint0x80_syscall() at Xint0x80_syscall+0x20 This one should be fixed by the cd9660 changes today. -- John Baldwin