From owner-freebsd-current@freebsd.org Sat May 28 18:53:10 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E7015B4EF0D for ; Sat, 28 May 2016 18:53:10 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id D69BA116D for ; Sat, 28 May 2016 18:53:10 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: by mailman.ysv.freebsd.org (Postfix) id D2810B4EF0C; Sat, 28 May 2016 18:53:10 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CFE29B4EF0B for ; Sat, 28 May 2016 18:53:10 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42]) by mx1.freebsd.org (Postfix) with ESMTP id BAFC3116B for ; Sat, 28 May 2016 18:53:10 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from yuri.doctorlan.com (c-24-5-143-190.hsd1.ca.comcast.net [24.5.143.190]) (authenticated bits=0) by shell1.rawbw.com (8.15.1/8.15.1) with ESMTPSA id u4SIr4kw050607 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sat, 28 May 2016 11:53:04 -0700 (PDT) (envelope-from yuri@rawbw.com) X-Authentication-Warning: shell1.rawbw.com: Host c-24-5-143-190.hsd1.ca.comcast.net [24.5.143.190] claimed to be yuri.doctorlan.com To: current From: Yuri Subject: WITNESS messages on 11 Message-ID: <36b1daa4-8ed5-5cac-85f7-641d4dee7538@rawbw.com> Date: Sat, 28 May 2016 11:53:02 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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: Sat, 28 May 2016 18:53:11 -0000 I saw this every time I tried to install 11 from the VM image recently. While copying over the ports tree with the command "nc | tar xzf -" I get the messages, see below. Yuri lock order reversal: 1st 0xfffffe003ca55570 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3512 2nd 0xfffff80003db6a00 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:281 stack backtrace: #0 0xffffffff80a981b0 at witness_debugger+0x70 #1 0xffffffff80a980a4 at witness_checkorder+0xe54 #2 0xffffffff80a429a2 at _sx_xlock+0x72 #3 0xffffffff80cf32dd at ufsdirhash_add+0x3d #4 0xffffffff80cf60ba at ufs_direnter+0x4da #5 0xffffffff80cfe6b9 at ufs_mkdir+0x8a9 #6 0xffffffff80ff7f47 at VOP_MKDIR_APV+0xf7 #7 0xffffffff80b05c88 at kern_mkdirat+0x208 #8 0xffffffff80e9cc1b at amd64_syscall+0x2db #9 0xffffffff80e7cbdb at Xfast_syscall+0xfb lock order reversal: 1st 0xfffff800388ed5f0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:894 2nd 0xfffffe003cb6ccb0 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:263 3rd 0xfffff8003b40b7c8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498 stack backtrace: #0 0xffffffff80a981b0 at witness_debugger+0x70 #1 0xffffffff80a980a4 at witness_checkorder+0xe54 #2 0xffffffff80a12b06 at __lockmgr_args+0x4d6 #3 0xffffffff80cedf46 at ffs_lock+0xa6 #4 0xffffffff80ff88f0 at VOP_LOCK1_APV+0x100 #5 0xffffffff80b0880a at _vn_lock+0x9a #6 0xffffffff80af8c63 at vget+0x63 #7 0xffffffff80aeb52c at vfs_hash_get+0xcc #8 0xffffffff80ce95a0 at ffs_vgetf+0x40 #9 0xffffffff80ce0e91 at softdep_sync_buf+0xb51 #10 0xffffffff80ceeb36 at ffs_syncvnode+0x256 #11 0xffffffff80cedde0 at ffs_fsync+0x20 #12 0xffffffff80ff79b7 at VOP_FSYNC_APV+0xf7 #13 0xffffffff80ada695 at bufsync+0x35 #14 0xffffffff80af6d12 at bufobj_invalbuf+0xa2 #15 0xffffffff80af9f4e at vgonel+0x15e #16 0xffffffff80afce37 at vnlru_proc+0x577 #17 0xffffffff809fd8c4 at fork_exit+0x84