From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1S9wIp-00080X-NG for mharc-grub-devel@gnu.org; Tue, 20 Mar 2012 06:28:31 -0400 Received: from eggs.gnu.org ([208.118.235.92]:55223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9wIn-00080A-7M for grub-devel@gnu.org; Tue, 20 Mar 2012 06:28:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S9wIl-0004Tf-Ey for grub-devel@gnu.org; Tue, 20 Mar 2012 06:28:28 -0400 Received: from mail-ee0-f41.google.com ([74.125.83.41]:36313) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9wIl-0004Rm-5i for grub-devel@gnu.org; Tue, 20 Mar 2012 06:28:27 -0400 Received: by eeke53 with SMTP id e53so3284892eek.0 for ; Tue, 20 Mar 2012 03:28:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=PIKx2TEt5gjOCBM/mjkq9dRoXiVRgVQAGfAqgxvlfNM=; b=Fm6v2ORM1mUwiEPu3V4YkVNkJ0r8Frc9bdqpq/EchIZ8uPS0WQLoIogi1V4s08/dge +sr4b656SVxRyjsPDq/vnqjsaLPwVbo9WRYL6Sb+gNWdSJPZhFzIvmInLCxHrDeXXirF Pn+2AVZZxqfjYMMQWTXdd9ggHp4Dzpm1Z2NaMB4p+kmw+njeidZ43AMdf3DgAfvLiGzn DvKuuT6Kc60xSneFoPZcLkq4YR2rf5tkbgyBXopvipZYhJG7rpuIUQzaOLbje2D66Dfq Yz+eKGTxTfJ3584oMzwUuE3aqLObqPyJN7dbtO8y89YnfTGCxfpKu8C0xkYd8qahGlY9 h3PQ== Received: by 10.213.17.66 with SMTP id r2mr942058eba.118.1332239304035; Tue, 20 Mar 2012 03:28:24 -0700 (PDT) Received: from debian.x201.phnet (79-232.197-178.cust.bluewin.ch. [178.197.232.79]) by mx.google.com with ESMTPS id y11sm3791685eem.3.2012.03.20.03.28.21 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 20 Mar 2012 03:28:22 -0700 (PDT) Message-ID: <4F685BC2.1030008@gmail.com> Date: Tue, 20 Mar 2012 11:28:18 +0100 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20120124 Icedove/9.0.1 MIME-Version: 1.0 To: Lennart Sorensen Subject: Re: grub-probe seems to be having problems References: <4F590500.3040101@gmail.com> <20120308201506.GU14853@caffeine.csclub.uwaterloo.ca> <4F594A95.9060103@gmail.com> <20120309153907.GX14853@caffeine.csclub.uwaterloo.ca> <20120309154342.GY14853@caffeine.csclub.uwaterloo.ca> <4F5A2667.1000908@gmail.com> <20120309160538.GA14853@caffeine.csclub.uwaterloo.ca> <4F5A48CF.50607@gmail.com> <20120309183946.GB14853@caffeine.csclub.uwaterloo.ca> <20120309203757.GC14853@caffeine.csclub.uwaterloo.ca> <20120319212850.GE10301@caffeine.csclub.uwaterloo.ca> In-Reply-To: <20120319212850.GE10301@caffeine.csclub.uwaterloo.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 74.125.83.41 Cc: The development of GRUB 2 , Marco d'Itri X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Mar 2012 10:28:30 -0000 On 19.03.2012 22:28, Lennart Sorensen wrote: > On Fri, Mar 09, 2012 at 03:37:57PM -0500, Lennart Sorensen wrote: >> Interestingly after poking at reading all the disks and poking mdadm >> --examine and --detail, now grub-prob likes md1, but still dislikes md0. >> >> root@rceng03new:/tmp# /usr/sbin/grub-probe --device-map= --target=abstraction --device /dev/md1 >> diskfilter mdraid1x raid5rec >> root@rceng03new:/tmp# /usr/sbin/grub-probe --device-map= --target=abstraction --device /dev/md0 >> /usr/sbin/grub-probe: error: Couldn't find physical volume `(null)'. Check your device.map. >> >> md1 was failing before with the same grub code. >> >> I don't get it. I wonder if there is any known issues in 2.6.32 kernel >> and/or mdadm - v3.1.4 - 31st August 2010 > Any suggestion for how to try and debug this myself, like which > file/function to start debuging at? I would like to put this machine > in to production use soon, but I would also like to take this chance to > fix the bug in grub first. There is no need to debug. I know exactly why GRUB is confused: because as far as my understanding goes the superblock makes no sense (details in previous mail). What we need is that someone familiar with md tells me how this sector should be interpreted. > -- Regards Vladimir 'φ-coder/phcoder' Serbinenko