From owner-freebsd-i386@FreeBSD.ORG Sat Jan 7 11:20:06 2012 Return-Path: Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D7F341065670 for ; Sat, 7 Jan 2012 11:20:06 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id B52948FC16 for ; Sat, 7 Jan 2012 11:20:06 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q07BK6Mg023191 for ; Sat, 7 Jan 2012 11:20:06 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q07BK6sl023190; Sat, 7 Jan 2012 11:20:06 GMT (envelope-from gnats) Resent-Date: Sat, 7 Jan 2012 11:20:06 GMT Resent-Message-Id: <201201071120.q07BK6sl023190@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-i386@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Roar Pettersen Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 80E4D106564A for ; Sat, 7 Jan 2012 11:10:09 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 7038A8FC0A for ; Sat, 7 Jan 2012 11:10:09 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q07BA9ux066901 for ; Sat, 7 Jan 2012 11:10:09 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id q07BA9MX066885; Sat, 7 Jan 2012 11:10:09 GMT (envelope-from nobody) Message-Id: <201201071110.q07BA9MX066885@red.freebsd.org> Date: Sat, 7 Jan 2012 11:10:09 GMT From: Roar Pettersen To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: i386/163885: lock order reversal X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Jan 2012 11:20:07 -0000 >Number: 163885 >Category: i386 >Synopsis: lock order reversal >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Jan 07 11:20:06 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Roar Pettersen >Release: 9.0-STABLE >Organization: >Environment: FreeBSD 9.0-STABLE FreeBSD 9.0-STABLE #0: Sat Jan 7 11:33:10 CET 2012 root@machine:/usr/obj/usr/src/sys/I386 i386 >Description: lock order reversal: 1st 0xddf0c8c8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2658 2nd 0xc4cba000 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:284 KDB: stack backtrace: db_trace_self_wrapper(c0a1c0ac,7366752f,7366752f,7269645f,68736168,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c075847b,c0a1fa73,c45452a0,c4548f90,de2ad898,...) at kdb_backtrace+0x2a _witness_debugger(c0a1fa73,c4cba000,c0a45212,c4548f90,c0a44e97,...) at _witness_debugger+0x25 witness_checkorder(c4cba000,9,c0a44e97,11c,0,...) at witness_checkorder+0x839 _sx_xlock(c4cba000,0,c0a44e97,11c,c4cc9e80,...) at _sx_xlock+0x85 ufsdirhash_acquire(ddf0c868,c4cc9e80,de2ad9f4,deb48a70,de2ad968,...) at ufsdirhash_acquire+0x35 ufsdirhash_add(c4cc9e80,de2ad9f4,a70,de2ad954,de2ad958,...) at ufsdirhash_add+0x13 ufs_direnter(c4cc0cc0,c4cc0bb0,de2ad9f4,de2adb84,ddf0cc64,...) at ufs_direnter+0x739 ufs_mkdir(de2adc14,de2adc28,0,0,de2adbac,...) at ufs_mkdir+0x8ef VOP_MKDIR_APV(c0ab2ee0,de2adc14,de2adb84,de2adbac,0,...) at VOP_MKDIR_APV+0xa5 kern_mkdirat(c4cabb80,ffffff9c,28404020,0,1c0,...) at kern_mkdirat+0x2a1 kern_mkdir(c4cabb80,28404020,0,1c0,de2add1c,...) at kern_mkdir+0x2e sys_mkdir(c4cabb80,de2adcec,c0a58d56,c0a20682,202,...) at sys_mkdir+0x29 syscall(de2add28) at syscall+0x284 Xint0x80_syscall() at Xint0x80_syscall+0x21 --- syscall (136, FreeBSD ELF32, sys_mkdir), eip = 0x28172c93, esp = 0xbfbfe8cc, ebp = 0xbfbfed78 --- >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: