From owner-freebsd-fs@freebsd.org Thu Jul 21 22:28:51 2016 Return-Path: Delivered-To: freebsd-fs@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 7289CBA1AD2 for ; Thu, 21 Jul 2016 22:28:51 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from mail-it0-x234.google.com (mail-it0-x234.google.com [IPv6:2607:f8b0:4001:c0b::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 39B591DC7 for ; Thu, 21 Jul 2016 22:28:51 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: by mail-it0-x234.google.com with SMTP id f6so31535749ith.0 for ; Thu, 21 Jul 2016 15:28:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sippysoft-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:from:date:message-id:subject:to; bh=BbeGxgAyYV8kB6YPfU6mjQPmW+fKu8/+7fNqa0Vs9VA=; b=rjNAvHgevtfBzRFKWDiZesRAAf540uRlBXgm2a+18GFIFZgHqnGR2/x6yyB7HswyfJ KudC59aP8zjYl8bIDjcRvZAcrKRy4oAFRX8A+Yym2p7hZoao31OYNuvcWP2lBL+iXZ+9 idLtaSCiUkp2nLLClrPG+maf29wjjleH/rR9nHZ9Fh789xK1gsbpt8GAQx1PC2rdd8N0 X2Iv9Vqqf+zzLTD2c5TfLVM4Y/QnqPKKcn9HrOw0+woGZDp+RpCFS0Rry/gEoOqwpHTA G06PA/CKL8oEh+Z1hgrwSlvlyL41x2Jvydil7J0wK/DUJHxWsTK73XL1mwH/sbjDoSea ITiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:from:date:message-id:subject :to; bh=BbeGxgAyYV8kB6YPfU6mjQPmW+fKu8/+7fNqa0Vs9VA=; b=Xbc3FL61Sm8ByLLUQ1iXZWYV5dl4jC3zPU4azejyk+qMbnhyxUbwzFochscDnPm+Pd 6qXvWuVkEiS/YV5m9kizsPWU8rjHCny+QBzlnyiJVL0iOo8cpzfDgywO9gglsV28V8mi 0G3jI98KrKLOvyGZzxGshSDuSzKGvp0PSMoUuqIJwbH5K+665u46yeAwycDkTioewNjX CAkwp/rkP52IhCF9JlQpCFBqOLfiDY7B11G8cQ2yHljyfjWBB3exavRsev+5HYEA58a2 nd50pVwvmYtklOOcKUKUuLI/9afAuVW7YwgBtfbO9Z6tMurdbNW2lexnp08GjakQkhSk 1l0Q== X-Gm-Message-State: ALyK8tJoYa9iSSGJK8Hx+2TxJ7/PQzQh/XHBlhZztM9LK63L5CDFF4MaLv8FQDXFUs2om17kNy1CPQvfS0qE4tG0 X-Received: by 10.36.65.28 with SMTP id x28mr64600913ita.16.1469140130601; Thu, 21 Jul 2016 15:28:50 -0700 (PDT) MIME-Version: 1.0 Sender: sobomax@sippysoft.com Received: by 10.36.13.139 with HTTP; Thu, 21 Jul 2016 15:28:50 -0700 (PDT) From: Maxim Sobolev Date: Thu, 21 Jul 2016 15:28:50 -0700 X-Google-Sender-Auth: Wj8J4p_VtbRYbfqL6F1Jsx6AO2g Message-ID: Subject: Two fresh LORs from the latest 11-stable To: Konstantin Belousov , FreeBSD Filesystems Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jul 2016 22:28:51 -0000 Seen those on our build box right after pulling latest update. lock order reversal: 1st 0xfffffe00f62564c0 bufwait (bufwait) @ /usr/home/sobomax/freebsd11.git/sys/kern/vfs_bio.c:3512 2nd 0xfffff80003d33800 dirhash (dirhash) @ /usr/home/sobomax/freebsd11.git/sys/ufs/ufs/ufs_dirhash.c:281 stack backtrace: #0 0xffffffff80ab5fc0 at witness_debugger+0x70 #1 0xffffffff80ab5eb4 at witness_checkorder+0xe54 #2 0xffffffff80a5f1d2 at _sx_xlock+0x72 #3 0xffffffff80d1d8dd at ufsdirhash_add+0x3d #4 0xffffffff80d206aa at ufs_direnter+0x4da #5 0xffffffff80d28d09 at ufs_mkdir+0x8a9 #6 0xffffffff810235e0 at VOP_MKDIR_APV+0xe0 #7 0xffffffff80b23ef8 at kern_mkdirat+0x208 #8 0xffffffff80ec7b2b at amd64_syscall+0x2db #9 0xffffffff80ea767b at Xfast_syscall+0xfb lock order reversal: 1st 0xfffff80064d86d50 ufs (ufs) @ /usr/home/sobomax/freebsd11.git/sys/kern/vfs_subr.c:2523 2nd 0xfffffe00f669fe00 bufwait (bufwait) @ /usr/home/sobomax/freebsd11.git/sys/ufs/ffs/ffs_vnops.c:263 3rd 0xfffff800a5c4eb78 ufs (ufs) @ /usr/home/sobomax/freebsd11.git/sys/kern/vfs_subr.c:2523 stack backtrace: #0 0xffffffff80ab5fc0 at witness_debugger+0x70 #1 0xffffffff80ab5eb4 at witness_checkorder+0xe54 #2 0xffffffff80a2f052 at __lockmgr_args+0x4c2 #3 0xffffffff80d18546 at ffs_lock+0xa6 #4 0xffffffff81023fd0 at VOP_LOCK1_APV+0xe0 #5 0xffffffff80b26aaa at _vn_lock+0x9a #6 0xffffffff80b16ed4 at vget+0x64 #7 0xffffffff80b095cc at vfs_hash_get+0xcc #8 0xffffffff80d14250 at ffs_vgetf+0x40 #9 0xffffffff80d0b4a6 at softdep_sync_buf+0x496 #10 0xffffffff80d19136 at ffs_syncvnode+0x256 #11 0xffffffff80cefed3 at ffs_truncate+0x8d3 #12 0xffffffff80d20851 at ufs_direnter+0x681 #13 0xffffffff80d28d09 at ufs_mkdir+0x8a9 #14 0xffffffff810235e0 at VOP_MKDIR_APV+0xe0 #15 0xffffffff80b23ef8 at kern_mkdirat+0x208 #16 0xffffffff80ec7b2b at amd64_syscall+0x2db #17 0xffffffff80ea767b at Xfast_syscall+0xfb -Max