From owner-freebsd-current@FreeBSD.ORG Tue Jun 10 07:07:15 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 B51681065673 for ; Tue, 10 Jun 2008 07:07:15 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.157]) by mx1.freebsd.org (Postfix) with ESMTP id 36D628FC1C for ; Tue, 10 Jun 2008 07:07:15 +0000 (UTC) (envelope-from yanefbsd@gmail.com) Received: by fg-out-1718.google.com with SMTP id l26so2038323fgb.35 for ; Tue, 10 Jun 2008 00:07:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=4hEGzb9YFSLHvJiC6NoHOOVeAcX0DNRD7Qu++7jd7BU=; b=Y60IF6kfuhdpEABTH8U9w/6WU+CQQTIntb4j0GTunjrF5VtKV7o1WDKERWI5IQHuDF QRBky9Xs9M7qF9BAsqSCD3d19+CWZ9VmfyoJWPqKlLlSdbrUqCq9ZBdZPQInfhRn4S12 tCsR9aovNb0Ci1OBYf52eyO4rCywwHwRmJPFY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=N5NZIcfuLb0aNHDrgHp135vyBwTBm2Hmftvri6RMhbf5guLhn6RCaTUPiX8BfKj9ML PpP1wMTG3qk/Bd3iWytexQVYYJNRsLbGUfVtyGTsAGhUPVWdssunhvppuUECm0dKiK2l yU8WMCLkk51l8x8Jy3KWmT/BUaOVSesAyyc5I= Received: by 10.86.80.17 with SMTP id d17mr4046079fgb.33.1213081632084; Tue, 10 Jun 2008 00:07:12 -0700 (PDT) Received: by 10.86.26.8 with HTTP; Tue, 10 Jun 2008 00:07:12 -0700 (PDT) Message-ID: <7d6fde3d0806100007v7921f2e6p3848e20054241827@mail.gmail.com> Date: Tue, 10 Jun 2008 00:07:12 -0700 From: "Garrett Cooper" To: current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Cc: Subject: FYI: witness complaints from mount(1) / umount(1) use about LOR 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: Tue, 10 Jun 2008 07:07:15 -0000 A get a lot of LOR warnings after enabling WITNESS, DDB, KDB, INVARIANTS, and INVARIANT_SUPPORT with 8-CURRENT synced last Thursday and rebuilt. -Garrett -------------- lock order reversal: 1st 0xc51a3594 ufs (ufs) @ /usr/src/sys/kern/vfs_mount.c:1212 2nd 0xc50f8df4 devfs (devfs) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:1026 KDB: stack backtrace: db_trace_self_wrapper(c07aded6,e7dc9a5c,c06031dc,c07b0584,c50f8df4,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c07b0584,c50f8df4,c07a1241,c07a1241,c07c0bd0,...) at kdb_backtrace+0x29 witness_checkorder(c50f8df4,9,c07c0bd0,402,c5356690,...) at witness_checkorder+0x6ba __lockmgr_args(c50f8df4,80400,c50f8e10,0,0,0,c07c0bd0,402) at __lockmgr_args+0x731 vop_stdlock(e7dc9b50,c07a9d28,ca,80400,c50f8d9c,...) at vop_stdlock+0x5c VOP_LOCK1_APV(c07ea360,e7dc9b50,c0814ac0,c50f8d9c,80400,...) at VOP_LOCK1_APV+0xab _vn_lock(c50f8d9c,80400,c07c0bd0,402,c50c9524,...) at _vn_lock+0x5e softdep_flushworklist(c50c9508,e7dc9bf8,c5356690,4d7,e7dc9bdc,...) at softdep_flushworklist+0x47 ffs_sync(c50c9508,1,c5356690,4f5,0,...) at ffs_sync+0x2ed dounmount(c50c9508,8000000,c5356690,487,482a96c5,...) at dounmount+0x41d unmount(c5356690,e7dc9cfc,8,e7dc9d2c,c07ee390,...) at unmount+0x2b6 syscall(e7dc9d38) at syscall+0x265 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (22, FreeBSD ELF32, unmount), eip = 0x280c87a7, esp = 0xbfbfe50c, ebp = 0xbfbfe5f8 --- -------------- lock order reversal: (sleepable after non-sleepable) 1st 0xc50ca01c struct mount mtx (struct mount mtx) @ /usr/src/sys/kern/vfs_subr.c:343 2nd 0xc50ca000 vfslock (vfslock) @ /usr/src/sys/kern/vfs_subr.c:370 KDB: stack backtrace: db_trace_self_wrapper(c07aded6,c4a85b70,c06031dc,c07b0584,c50ca000,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c07b0584,c50ca000,c07b6375,c07b6375,c07b6917,...) at kdb_backtrace+0x29 witness_checkorder(c50ca000,1,c07b6917,172,c07a9d28,...) at witness_checkorder+0x6ba __lockmgr_args(c50ca000,200100,c50ca01c,0,0,...) at __lockmgr_args+0x21d vfs_busy(c50ca000,200,0,c4c50000,1,...) at vfs_busy+0x1b4 vfs_mount_alloc(0,c07ea1a0,c07b66bd,c4c50000,c063c7e3,...) at vfs_mount_alloc+0x78 vfs_mountroot(c0840850,4,c07a5dd3,264,c4c4d000,...) at vfs_mountroot+0x253 start_init(0,c4a85d38,c07a76dd,324,c4c4d000,...) at start_init+0x65 fork_exit(c059332d,0,c4a85d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xc4a85d70, ebp = 0 --- lock order reversal: (sleepable after non-sleepable) 1st 0xc4edbe10 vnode interlock (vnode interlock) @ /usr/src/sys/fs/devfs/devfs_vnops.c:288 2nd 0xc4edbdf4 devfs (devfs) @ /usr/src/sys/kern/vfs_subr.c:2044 KDB: stack backtrace: db_trace_self_wrapper(c07aded6,c4a85a9c,c06031dc,c07b0584,c4edbdf4,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c07b0584,c4edbdf4,c07a1241,c07a1241,c07b6917,...) at kdb_backtrace+0x29 witness_checkorder(c4edbdf4,9,c07b6917,7fc,c4edbdf4,...) at witness_checkorder+0x6ba __lockmgr_args(c4edbdf4,80100,c4edbe10,0,0,0,c07b6917,7fc) at __lockmgr_args+0x731 vop_stdlock(c4a85b90,c07a13f7,c07aff84,80100,c4edbd9c,...) at vop_stdlock+0x5c VOP_LOCK1_APV(c07ea280,c4a85b90,c0814ac0,c4edbd9c,80100,...) at VOP_LOCK1_APV+0xab _vn_lock(c4edbd9c,80100,c07b6917,7fc,c07a13f7,...) at _vn_lock+0x5e vget(c4edbd9c,80100,c4c50000,121,c07a1394,...) at vget+0x9c devfs_allocv(c5031980,c50ca000,c4a85c24,c4c50000,c4c500a4,...) at devfs_allocv+0x10e devfs_root(c50ca000,80000,c088e434,c4c50000,4,...) at devfs_root+0x51 set_rootvnode(c088e420,0,c07b6279,5f4,c063c7e3,...) at set_rootvnode+0x2d vfs_mountroot(c0840850,4,c07a5dd3,264,c4c4d000,...) at vfs_mountroot+0x331 start_init(0,c4a85d38,c07a76dd,324,c4c4d000,...) at start_init+0x65 fork_exit(c059332d,0,c4a85d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xc4a85d70, ebp = 0 --- Trying to mount root from ufs:/dev/ad10s1a -------------- lock order reversal: (sleepable after non-sleepable) 1st 0xc4edbb20 bufobj interlock (bufobj interlock) @ /usr/src/sys/kern/vfs_bio.c:2442 2nd 0xd8ce5c80 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2456 KDB: stack backtrace: db_trace_self_wrapper(c07aded6,c4a857a0,c06031dc,c07b0584,d8ce5c80,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c07b0584,d8ce5c80,c07b5242,c07b5242,c07b47f1,...) at kdb_backtrace+0x29 witness_checkorder(d8ce5c80,9,c07b47f1,998,c07a9d28,...) at witness_checkorder+0x6ba __lockmgr_args(d8ce5c80,81900,c4edbb20,c07b519e,50,...) at __lockmgr_args+0x731 getblk(c4edba78,0,0,400,0,...) at getblk+0x144 breadn(c4edba78,0,0,400,0,...) at breadn+0x44 bread(c4edba78,0,0,400,0,...) at bread+0x4c ffs_blkatoff(c4edba78,0,0,0,c4a859b0,...) at ffs_blkatoff+0xc6 ufs_lookup(c4a859f0,c4edba78,c4a85b54,c4edba78,c4a85a10,...) at ufs_lookup+0x2f2 VOP_CACHEDLOOKUP_APV(c0807000,c4a859f0,c4a85b54,c4a85b40,c0814760,...) at VOP_CACHEDLOOKUP_APV+0xa0 vfs_cache_lookup(c4a85a70,c4a85a70,0,80000,c4edba78,...) at vfs_cache_lookup+0xc3 VOP_LOOKUP_APV(c0807000,c4a85a70,c07b6027,1b0,c4a85b40,...) at VOP_LOOKUP_APV+0xaa lookup(c4a85b28,c07b6027,d8,c0,c4c4e02c,...) at lookup+0x507 namei(c4a85b28,c4a85b2c,c06029f0,c05bc5e6,c088dca8,...) at namei+0x3d3 kern_unlinkat(c4c50000,ffffff9c,c07b66b9,1,c4a85c60,...) at kern_unlinkat+0x3f kern_unlink(c4c50000,c07b66b9,1,62f,0,...) at kern_unlink+0x27 vfs_mountroot_try(c07b6873,c07aff86,c079f461,1,c063c7e3,...) at vfs_mountroot_try+0x46b vfs_mountroot(c0840850,4,c07a5dd3,264,c4c4d000,...) at vfs_mountroot+0x3f1 start_init(0,c4a85d38,c07a76dd,324,c4c4d000,...) at start_init+0x65 fork_exit(c059332d,0,c4a85d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xc4a85d70, ebp = 0 ---