From owner-freebsd-current@FreeBSD.ORG Fri Aug 23 15:25:58 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 175FD7A2 for ; Fri, 23 Aug 2013 15:25:58 +0000 (UTC) (envelope-from sunk.cs@gmail.com) Received: from mail-ea0-x232.google.com (mail-ea0-x232.google.com [IPv6:2a00:1450:4013:c01::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id A21242E96 for ; Fri, 23 Aug 2013 15:25:57 +0000 (UTC) Received: by mail-ea0-f178.google.com with SMTP id a15so357488eae.9 for ; Fri, 23 Aug 2013 08:25:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=YY+J4eulnJHVVwHJKZQR8h7ArW7xzvz3woyu27aFBfs=; b=rGiNHPICXfY2SfCotcqQ+OA5xaHSuOgkz06cJgfwl38h4au4M+TsITm6+EHFtBUmKf cxrabcbPWw5ZoRzpEXd2hA+vB+QzpCiAb/vAgmybrEgGaF1nrYhgbGURJPWFhgEylPpy kO0n5SU/MNFDik+YAdtIJyafjFb+10ugDipxhhavpxPE5CbklExEM/8qvIrmhHKvuOem 4BSEMRWtI0RVb4r9BF45InrKH0XFqtTzYV+kfzpwHKON2FoI2+ViKp1su2iXgGf2LPOc CYvSWwsk5WbAnqAq4tinhcmpEtoPO2DjLW40BBLRXz2bwn9HNN3BixwA42BBoAtaEVS1 DOGg== X-Received: by 10.14.181.132 with SMTP id l4mr209853eem.77.1377271555952; Fri, 23 Aug 2013 08:25:55 -0700 (PDT) Received: from localhost ([2001:620:600:4400:a6ba:dbff:fef0:3a99]) by mx.google.com with ESMTPSA id x47sm363140eea.16.1969.12.31.16.00.00 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 23 Aug 2013 08:25:55 -0700 (PDT) Date: Fri, 23 Aug 2013 17:25:49 +0200 From: Ke Sun To: freebsd-current@freebsd.org Subject: LOR on reboot Message-ID: <20130823152549.GA32613@probe.unige.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Fri, 23 Aug 2013 15:25:58 -0000 Hi current, I have FreeBSD 10.0-CURRENT #5 r254404 on my laptop. During reboot, I get the following LOR. Could someone please fix this? Thanks! Ke Sun Syncing disks, vnodes remaining...0 0 0 0 0 0 done All buffers synced. lock order reversal: 1st 0xfffffe00094bd5f0 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1237 2nd 0xfffffe000903b418 devfs (devfs) @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:1411 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff81a7582470 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff81a7582520 witness_checkorder() at witness_checkorder+0xd4f/frame 0xffffff81a75825b0 __lockmgr_args() at __lockmgr_args+0x6f2/frame 0xffffff81a75826e0 vop_stdlock() at vop_stdlock+0x3c/frame 0xffffff81a7582700 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xf5/frame 0xffffff81a7582730 _vn_lock() at _vn_lock+0xab/frame 0xffffff81a75827a0 ffs_flushfiles() at ffs_flushfiles+0x88/frame 0xffffff81a7582800 ffs_unmount() at ffs_unmount+0x162/frame 0xffffff81a7582860 dounmount() at dounmount+0x39e/frame 0xffffff81a75828e0 vfs_unmountall() at vfs_unmountall+0x61/frame 0xffffff81a7582910 kern_reboot() at kern_reboot+0x548/frame 0xffffff81a7582980 sys_reboot() at sys_reboot+0x58/frame 0xffffff81a75829a0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff81a7582ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff81a7582ab0 --- syscall (55, FreeBSD ELF64, sys_reboot), rip = 0x80085f5ec, rsp = 0x7fffffffd9b8, rbp = 0x7fffffffdb20 ---