From owner-freebsd-current@FreeBSD.ORG Sun Dec 28 15:32:15 2008 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 55D82106564A; Sun, 28 Dec 2008 15:32:15 +0000 (UTC) (envelope-from patfbsd@davenulle.org) Received: from smtp.lamaiziere.net (net.lamaiziere.net [91.121.44.19]) by mx1.freebsd.org (Postfix) with ESMTP id 155978FC1F; Sun, 28 Dec 2008 15:32:14 +0000 (UTC) (envelope-from patfbsd@davenulle.org) Received: from baby-jane.lamaiziere.net (81-65-128-47.rev.numericable.fr [81.65.128.47]) by smtp.lamaiziere.net (Postfix) with ESMTPA id 2E7C763366E; Sun, 28 Dec 2008 16:13:45 +0100 (CET) Received: from baby-jane-lamaiziere-net.local (localhost [127.0.0.1]) by baby-jane.lamaiziere.net (Postfix) with ESMTP id 49B0368BFF6; Sun, 28 Dec 2008 16:13:44 +0100 (CET) Date: Sun, 28 Dec 2008 16:13:43 +0100 From: Patrick =?ISO-8859-15?Q?Lamaizi=E8re?= To: "Arno J. Klaassen" Message-ID: <20081228161343.3cfa62a3@baby-jane-lamaiziere-net.local> In-Reply-To: References: Organization: /dave/nulle X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-apple-darwin9.3.0) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 8bit Cc: emulation@freebsd.org, current@freebsd.org Subject: Re: LORs on 8-current kernel with 7-stable world 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: Sun, 28 Dec 2008 15:32:15 -0000 Le 27 Dec 2008 22:07:12 +0100, "Arno J. Klaassen" a écrit : > Hello, > > I get these when running a 8-current kernel with 7-stable world. > I can'f access http://sources.zabbadoz.net/freebsd/lor.html > to see if they are known. > lock order reversal: > 1st 0xfffffffe68494f20 bufwait (bufwait) > @ /raid1/bsd/src-current/sys/kern/vfs_bio.c:2443 2nd > 0xffffff0001c7d000 dirhash (dirhash) > @ /raid1/bsd/src-current/sys/ufs/ufs/ufs_dirhash.c:263 KDB: stack > backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > _witness_debugger() at _witness_debugger+0x65 witness_checkorder() at > witness_checkorder+0x859 _sx_xlock() at _sx_xlock+0x55 > ufsdirhash_acquire() at ufsdirhash_acquire+0x33 > ufsdirhash_remove() at ufsdirhash_remove+0x16 > ufs_dirremove() at ufs_dirremove+0x181 > ufs_remove() at ufs_remove+0x92 > VOP_REMOVE_APV() at VOP_REMOVE_APV+0x93 > kern_unlinkat() at kern_unlinkat+0x249 > linux_unlinkat() at linux_unlinkat+0xa6 > ia32_syscall() at ia32_syscall+0x1ab > Xint0x80_syscall() at Xint0x80_syscall+0x60 > --- syscall (301, Linux ELF32, linux_unlinkat), rip = 0x28126968, rsp > = 0xffffd4e8, rbp = 0xffffd508 --- I see this one on a 'pure' CURRENT lock order reversal: 1st 0xc297ba60 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443 2nd 0xc2ec8c00 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:263 KDB: stack backtrace: db_trace_self_wrapper(c080b620,d6108778,c05aaf45,4,c08070aa,...) at db_trace_self_wrapper+0x26 kdb_backtrace(4,c08070aa,c2c0f128,c2c11d08,d61087d4,...) at kdb_backtrace+0x29 _witness_debugger(c080e0d7,c2ec8c00,c082aef4,c2c11d08,c082ab8d,...) at _witness_debugger+0x25 witness_checkorder(c2ec8c00,9,c082ab8d,107,0,...) at witness_checkorder+0x839 _sx_xlock(c2ec8c00,0,c082ab8d,107,c31010f0,...) at _sx_xlock+0x85 ufsdirhash_acquire(c297ba00,cde06800,200,cde06818,d61088a4,...) at ufsdirhash_acquire+0x35 ufsdirhash_add(c31010f0,d61088ec,818,d6108890,d6108894,...) at ufsdirhash_add+0x13 ufs_direnter(c2edd10c,c31cd10c,d61088ec,d6108bd4,0,...) at ufs_direnter+0x729 ufs_makeinode(d6108bd4,d6108acc,d6108acc,d6108a34,c07d0295,...) at ufs_makeinode+0x519 ufs_create(d6108acc,d6108acc,0,d6108acc,d6108ba8,...) at ufs_create+0x30 VOP_CREATE_APV(c0876c20,d6108acc,2,c0801ca7,3,...) at VOP_CREATE_APV+0xa5 vn_open_cred(d6108ba8,d6108c5c,1e4,c31a5800,c31922a0,...) at vn_open_cred+0x1d0 vn_open(d6108ba8,d6108c5c,1e4,c31922a0,246,...) at vn_open+0x33 kern_openat(c2e81000,ffffff9c,bfbfe640,0,a02,...) at kern_openat+0x110 kern_open(c2e81000,bfbfe640,0,a01,1e4,...) at kern_open+0x35 open(c2e81000,d6108cf8,c,c080ec0b,c0854438,...) at open+0x30 syscall(d6108d38) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (5, FreeBSD ELF32, open), eip = 0x2075d2b3, esp = 0xbfbfdf6c, ebp = 0xbfbfdf98 ---