From owner-freebsd-geom@FreeBSD.ORG Mon May 16 05:00:27 2011 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 62D121065675; Mon, 16 May 2011 05:00:27 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 0FC728FC12; Mon, 16 May 2011 05:00:22 +0000 (UTC) Received: by wwc33 with SMTP id 33so4481403wwc.31 for ; Sun, 15 May 2011 22:00:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=uf/Oa5YHgUQGq4yflQXDpm8pNqBbBFkBaNpepKurcjk=; b=hT+OnLhdCfen+tABL7qAFIY4kqTCTVLpJJXySBZSRNaNRWybLZMl9bGuP9guzFzFQz /dFIrFkYVGHO1yfjltCbwWrDN+UeJzdJZ2ksmZRt+jFoDDeeBSCxLtxOWhNdeqlOiIxn ibMH2jqeOl88ZVFhNzkpIbtePI8fG0OFYN0Bg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=r4nFNN8MP1l2rC9zMr4C8UcXznl+yxuxE8K9ZdZJsV/p4Uk91v3tJ9Vo777dfZhm+4 3b63IsUKSgRuZlbF+ohHknj33bhN80YjPoNj2fWSkSZHPq8+M5QLdQCVtxyAraKBqKvs FlYAQN7mHXX0AOzY2dfjuAbX1MS5/xRJY7cvQ= MIME-Version: 1.0 Received: by 10.216.68.18 with SMTP id k18mr1803434wed.109.1305522021856; Sun, 15 May 2011 22:00:21 -0700 (PDT) Received: by 10.216.180.71 with HTTP; Sun, 15 May 2011 22:00:21 -0700 (PDT) In-Reply-To: <4DD0A7A3.6020002@FreeBSD.org> References: <4DD0A7A3.6020002@FreeBSD.org> Date: Mon, 16 May 2011 05:00:21 +0000 Message-ID: From: Brandon Gooch To: "Andrey V. Elsukov" Content-Type: multipart/mixed; boundary=000e0cdfca4e5bf85604a35d880a X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-geom@freebsd.org Subject: Re: SVN r221788: GEOM_PART: integrity check failed (da0, MBR); Western Digital "My Book" X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 May 2011 05:00:27 -0000 --000e0cdfca4e5bf85604a35d880a Content-Type: text/plain; charset=ISO-8859-1 2011/5/16 Andrey V. Elsukov : > On 16.05.2011 7:48, Brandon Gooch wrote: >> GEOM_PART: integrity check failed (da0, MBR) >> ... >> >> The message regarding the integrity check seems to be emitted by code >> from that revision. >> >> What information can I provide to help troubleshoot the issue? I'm new >> to GEOM troubleshooting... > > Can you show output of `gpart list da0` from the last worked kernel, > or make a copy of first sector and send it to me. > You can do it with this command: > # dd if=/dev/da0 of=~/mbr count=1 > > MBR will be saved in your home directory. > Also, recently i added a workaround in r221972, you can disable > integrity checking with sysctl kern.geom.part.check_integrity=0 > > -- > WBR, Andrey V. Elsukov Thanks for the sysctl tunable, I hadn't noticed that commit before sending my message. As expected, setting the sysctl as provided above allowed the filesystem to be mounted. As requested, I've attached the MBR from the device in question. Let me know if it doesn't come through. Thank you! -Brandon --000e0cdfca4e5bf85604a35d880a--