From owner-freebsd-current@freebsd.org Sat May 21 03:42:02 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 46C8CB4494F for ; Sat, 21 May 2016 03:42:02 +0000 (UTC) (envelope-from will_brokenbourgh@yahoo.com) Received: from nm15-vm6.bullet.mail.ne1.yahoo.com (nm15-vm6.bullet.mail.ne1.yahoo.com [98.138.91.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 110C41FB1 for ; Sat, 21 May 2016 03:42:01 +0000 (UTC) (envelope-from will_brokenbourgh@yahoo.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1463801985; bh=cuHprpRNhNQjGvgyMmjIo283wf7uJx2a8JqDu63LwzI=; h=Subject:To:References:Cc:From:Date:In-Reply-To:From:Subject; b=pKlS/YAT1dP0Rl+Zvqz0T1eCgf+BRtt4WtV1zI8NWngNeeL24hAFlIqDz2csoux6M8RTKbEs2SuVsXg9w1Eji0i/E9wAZnwgU7LPtaXWI0yoEIbYwrqwnQV8UboRc0q+MIEbk+ELd8namDs/NjZPc6AZLabKE+8sBlSpiMr7N9BY3xplfjJKBBr9hPXObfNWqPhcw08Jb9HtkmrrsYl5qlTERXwKMVH6hBL9c56JqHb9t2EO0Qx4BYAdZroY5JM5eYkXlOQA+YXSQaGWOwyjaVULk0pS/82ktiOzkm2GdxzpqoXbOUbwiCSmqqscz9TKZWxoo19ctMh3aBdw1byS+g== Received: from [98.138.100.118] by nm15.bullet.mail.ne1.yahoo.com with NNFMP; 21 May 2016 03:39:45 -0000 Received: from [98.138.104.116] by tm109.bullet.mail.ne1.yahoo.com with NNFMP; 21 May 2016 03:38:36 -0000 Received: from [127.0.0.1] by smtp225.mail.ne1.yahoo.com with NNFMP; 21 May 2016 03:38:36 -0000 X-Yahoo-Newman-Id: 745833.80002.bm@smtp225.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: hdktcbIVM1ktK5OZvxJmnGAEJIwXBh6zNNm1drUD3mQuJD4 3dKIBvpwtf3CDwMr2vW8AFjIKxGHA2VSh605jVvr0GSZ3IrGTqyl_2G8PQZC b3Y6enIEV7Qgq01wVG_dxWYmaBCK4fwzL40PRmu2pQfuDVqptsqEPvRskBeY QE.bCJ20rJM5141cjocldY7vjNqX98wL9QOg7UdgPr38X2feUciXnQZK.6GZ g6K2T5Ff6qFfjuwQUZD4M2K7s53y3sO_sDsnO3oUtNj882S.6ecwwuSfEdhz xP8xtuYW94iA6WWCGwf05.wm2q.FNd_TfNoje3fyrfn1vSpoVhTZcLypCj8P LlIcva4X6lqPMOTxSDnggOv7ZO8u0ydufL38.BCRhTAFSiNa80tY.QdQqqVc OnIrtrDI8ZaPFDW6NNdUkTTxjdPjT3YAHrMMAhv5nF8HQdCcofKyBmgtIXeW 1z..ZL4zr0uMOVtSUMYBOS8ddVI7fjX8xieuVQMosoQ8AEz1V.Gig3vCf.Cs wE0Hkt_abwWNSZPzFYtEwnVoV7Lhx_LDtbyPnKXaVEfBFQA-- X-Yahoo-SMTP: azXxDsuswBBRyG617dUkP2QxufFfi_NTcn2SWpYb Subject: Re: Lock order reversal errors during boot To: "Bjoern A. Zeeb" , Kurt Jaeger References: <6b965a16-a6c7-a063-3c2a-7c577c2f9b56@yahoo.com> <20160515074404.GF15034@home.opsec.eu> Cc: freebsd-current@freebsd.org From: Will Brokenbourgh Message-ID: <08ccd717-af42-791d-d409-78258a02e895@yahoo.com> Date: Fri, 20 May 2016 20:38:35 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit 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, 21 May 2016 03:42:02 -0000 On 05/16/16 00:44, Bjoern A. Zeeb wrote: >> On 15 May 2016, at 07:44 , Kurt Jaeger wrote: >> >> Hi! >> >>> I am seeing 'lock order reversal' errors during boot on 11-CURRENT - >>> r298793. A sample error: >>> >>> lock order reversal: >>> 1st 0xfffff8011280d068 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498 >>> 2nd 0xfffffe01ca539400 bufwait (bufwait) @ >>> /usr/src/sys/ufs/ffs/ffs_vnops.c:263 >>> 3rd 0xfffff80112a23b78 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498 >>> stack backtrace: >>> #0 0xffffffff80a94bf0 at witness_debugger+0x70 >>> #1 0xffffffff80a94ae4 at witness_checkorder+0xe54 >>> #2 0xffffffff80a0fdd6 at __lockmgr_args+0x4d6 >>> #3 0xffffffff80ce9626 at ffs_lock+0xa6 >>> [...snip...] >>> >>> I'm not sure if this is even something I should report, but better safe >>> than sorry, yes? >> Yes, and there's even a page to compare your LOR against other ones: >> >> http://sources.zabbadoz.net/freebsd/lor.html >> >> Can you try if you find your LOR there ? If not, can you add it >> to that page ? > No he can’t and I haven’t in years either. Searching bugs might however be a good idea; there is a LOR category or tag somewhere. > > /bz Thank you for the replies. I'm getting these LORs pretty frequently. Is this a normal occurrence for 11-CURRENT or is it only me having this problem? Thanks Will Brokenbourgh