From owner-freebsd-current@FreeBSD.ORG Wed Apr 13 08:40:14 2005 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 84D0C16A4CE for ; Wed, 13 Apr 2005 08:40:14 +0000 (GMT) Received: from digger1.defence.gov.au (digger1.defence.gov.au [203.5.217.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id B93D043D1D for ; Wed, 13 Apr 2005 08:40:10 +0000 (GMT) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: from ednmsw501.dsto.defence.gov.au (ednmsw501.dsto.defence.gov.au [131.185.2.150]) by digger1.defence.gov.au with ESMTP id j3D8cdIJ012542 for ; Wed, 13 Apr 2005 18:08:39 +0930 (CST) Received: from muttley.dsto.defence.gov.au (unverified) by ednmsw501.dsto.defence.gov.au (Content Technologies SMTPRS 4.3.17) with ESMTP id for ; Wed, 13 Apr 2005 18:10:04 +0930 Received: from ednex501.dsto.defence.gov.au (ednex501.dsto.defence.gov.au [131.185.2.81]) by muttley.dsto.defence.gov.au (8.11.3/8.11.3) with ESMTP id j3D8WY022728 for ; Wed, 13 Apr 2005 18:02:35 +0930 (CST) Received: from squash.dsto.defence.gov.au ([131.185.40.212]) by ednex501.dsto.defence.gov.au with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id HC90C3HR; Wed, 13 Apr 2005 18:02:21 +0930 Received: from squash.dsto.defence.gov.au (localhost [127.0.0.1]) by squash.dsto.defence.gov.au (8.12.11/8.12.11) with ESMTP id j3D8ZnG5038963 ; Wed, 13 Apr 2005 18:05:49 +0930 (CST) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: (from wilkinsa@localhost) by squash.dsto.defence.gov.au (8.12.11/8.12.11/Submit) id j3D8Zn6t038962; Wed, 13 Apr 2005 18:05:49 +0930 (CST) (envelope-from wilkinsa) Date: Wed, 13 Apr 2005 18:05:49 +0930 From: "Wilkinson, Alex" To: freebsd-current@freebsd.org Message-ID: <20050413083545.GA38947@squash.dsto.defence.gov.au> Mail-Followup-To: freebsd-current@freebsd.org, matthew.thyer@dsto.defence.gov.au Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline User-Agent: Mutt/1.5.6i cc: matthew.thyer@dsto.defence.gov.au Subject: LOR - vnode interlock 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: Wed, 13 Apr 2005 08:40:14 -0000 FreeBSD 6.0-CURRENT #3: Fri Apr 1 08:10:42 CST 2005 acquiring duplicate lock of same type: "vnode interlock" 1st vnode interlock @ /usr/src/sys/kern/vfs_vnops.c:800 2nd vnode interlock @ /usr/src/sys/modules/nullfs/../../fs/nullfs/null_vnops.c:533 KDB: stack backtrace: witness_checkorder(c2e663b8,9,c2e6c5a1,215,c09ccdcc) at witness_checkorder+0x5ed _mtx_lock_flags(c2e663b8,0,c2e6c5a1,215,c2bf4cf0) at _mtx_lock_flags+0x54 null_lock(e97d8b14,1002,c2e61e04) at null_lock+0x67 VOP_LOCK_APV(c2e6d820,e97d8b14,c08c3443,320,c2e61e04) at VOP_LOCK_APV+0x69 vn_lock(c2e61e04,1002,c2bf4cf0,c2e6d720,e97d8cbc) at vn_lock+0x5a nullfs_root(c2d90000,2,e97d8ba0,c2bf4cf0,0) at nullfs_root+0x32 vfs_donmount(c2de8780,6,e97d8cd0,c2de8780,0) at vfs_donmount+0xd6d nmount(c2bf4cf0,e97d8d14,c08dcb40,3ad,3) at nmount+0x6f syscall(2f,2f,2f,bfbfe64a,bfbfeeb0) at syscall+0x13b Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280b7f6b, esp = 0xbfbfe5ec, ebp = 0xbfbfee84 --- X will not exec. Just a blank screen. Can ssh(1) into the box however. - aW