From nobody@FreeBSD.org Sun Mar 15 16:18:39 2009 Return-Path: Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D85991065672 for ; Sun, 15 Mar 2009 16:18:39 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id C6BEA8FC22 for ; Sun, 15 Mar 2009 16:18:39 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id n2FGIdmx038301 for ; Sun, 15 Mar 2009 16:18:39 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id n2FGIdci038300; Sun, 15 Mar 2009 16:18:39 GMT (envelope-from nobody) Message-Id: <200903151618.n2FGIdci038300@www.freebsd.org> Date: Sun, 15 Mar 2009 16:18:39 GMT From: Rene Ladan To: freebsd-gnats-submit@FreeBSD.org Subject: [lor] vfs_mount.c / msdosfs_vfsops.c X-Send-Pr-Version: www-3.1 X-GNATS-Notify: >Number: 132664 >Category: kern >Synopsis: [lor] vfs_mount.c / msdosfs_vfsops.c >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 15 16:20:01 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Rene Ladan >Release: 8.0-CURRENT i386 r187684 >Organization: >Environment: >Description: The LOR report might be outdated by now. Hardware is an Asus Eee901 LOR: lock order reversal: 1st 0xc45f2df4 ufs (ufs) @ /usr/head/src/sys/kern/vfs_mount.c:1190 2nd 0xc4992ad0 devfs (devfs) @ /usr/head/src/sys/fs/msdosfs/msdosfs_vfsops.c:934 KDB: stack backtrace: db_trace_self_wrapper(c09125b0,e67b8a4c,c060e925,4,c090da7d,...) at db_trace_self_wrapper+0x26 kdb_backtrace(4,c090da7d,c411cd48,c411cc78,e67b8aa8,...) at kdb_backtrace+0x29 _witness_debugger(c0915309,c4992ad0,c0904524,c411cc78,c0904db9,...) at _witness_debugger+0x25 witness_checkorder(c4992ad0,9,c0904db9,3a6,c4992aec,...) at witness_checkorder+0x839 __lockmgr_args(c4992ad0,80400,c4992aec,0,0,...) at __lockmgr_args+0x797 vop_stdlock(e67b8bb0,c0af2948,c48eebe4,80400,c4992a78,...) at vop_stdlock+0x62 VOP_LOCK1_APV(c09604c0,e67b8bb0,e67b8bd0,c099b100,c4992a78,...) at VOP_LOCK1_APV+0xb5 _vn_lock(c4992a78,80400,c0904db9,3a6,c4550780,...) at _vn_lock+0x5e msdosfs_sync(c4550780,1,c48eeb40,4eb,1,...) at msdosfs_sync+0x28c dounmount(c4550780,8000000,c48eeb40,471,6,...) at dounmount+0x45c unmount(c48eeb40,e67b8cf8,8,c,c0963970,...) at unmount+0x2e0 syscall(e67b8d38) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (22, FreeBSD ELF32, unmount), eip = 0x280d226f, esp = 0xbfbfe54c, ebp = 0xbfbfe618 --- >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: