From owner-freebsd-questions@FreeBSD.ORG Fri Nov 25 17:55:13 2011 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B4ECD106566C for ; Fri, 25 Nov 2011 17:55:13 +0000 (UTC) (envelope-from traveling08@cox.net) Received: from fed1rmfepo101.cox.net (fed1rmfepo101.cox.net [68.230.241.143]) by mx1.freebsd.org (Postfix) with ESMTP id 883F48FC08 for ; Fri, 25 Nov 2011 17:55:13 +0000 (UTC) Received: from fed1rmimpo306.cox.net ([68.230.241.174]) by fed1rmfepo101.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20111125175502.HRGH3806.fed1rmfepo101.cox.net@fed1rmimpo306.cox.net>; Fri, 25 Nov 2011 12:55:02 -0500 Received: from dell64 ([72.220.91.219]) by fed1rmimpo306.cox.net with bizsmtp id 1Vu91i00H4jy6EY03Vu9J2; Fri, 25 Nov 2011 12:54:09 -0500 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020204.4ECFD676.00BE,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=1.1 cv=dLinpSRpD/siYDweLtUcKy2MkOOT9IlUWnc+SxVPJKw= c=1 sm=1 a=d5xdBJzwzI4A:10 a=G8Uczd0VNMoA:10 a=kj9zAlcOel0A:10 a=olICo1sKaMXbpqbYUd6B5g==:17 a=s1O25tkdAAAA:8 a=jpBtCq5R6TThOshGzLYA:9 a=AOcAIfw-IZ6hwW_8kYcA:7 a=CjuIK1q_8ugA:10 a=OyOq_G8mXAEA:10 a=olICo1sKaMXbpqbYUd6B5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none Date: Fri, 25 Nov 2011 09:54:57 -0800 From: Robert To: Warren Block Message-ID: <20111125095457.477e9501@dell64> In-Reply-To: References: <201111241116.pAOBGH4i098240@fire.js.berklix.net> <20111124113938.2d99eec2@dell64> X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.6; amd64-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "Julian H. Stacey" , questions@freebsd.org Subject: Re: Invalid fdisk partition table found (fwd) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Nov 2011 17:55:13 -0000 On Thu, 24 Nov 2011 13:45:37 -0700 (MST) Warren Block wrote: > On Thu, 24 Nov 2011, Robert wrote: > > > [robert@dell64] ~> sudo gpart destroy -F da1 > > da1 destroyed > > > > [robert@dell64] ~> fdisk /dev/da1 > > ******* Working on device /dev/da1 ******* > > parameters extracted from in-core disklabel are: > > cylinders=29 heads=64 sectors/track=32 (2048 blks/cyl) > > > > parameters to be used for BIOS calculations are: > > cylinders=29 heads=64 sectors/track=32 (2048 blks/cyl) > > > > fdisk: invalid fdisk partition table found > > The partition table was cleared. > > > Media sector size is 512 > > Warning: BIOS sector numbering starts with sector 1 > > Information from DOS bootblock is: > > The data for partition 1 is: > > sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > > start 32, size 59360 (28 Meg), flag 80 (active) > > beg: cyl 0/ head 1/ sector 1; > > end: cyl 28/ head 63/ sector 32 > > And it starts with a default table equal to the size of the drive. Is it supposed to still show sysid 165 ? I was under the impression that dd if=/dev/zero would clean out everything including sector 1. > > > I see the flashing lights like it is writing to the CF card but > > nothing changes. > > > > More suggestions welcome. These are quite expensive CF cards. > > The dd/fdisk and gpart results show the same problem, so it likely > isn't in the partitioning. > > Do both cards report the same size? Yes..sort of 28, 29 MB > > I found recently that there is some oddness with certain Sandisk > flash memory that made it non-responsive to anything. FreeBSD > couldn't do a thing with it. Before throwing it away, I tried it on > a Windows Vista system... which recognized and formatted it without a > complaint. Now it works on everything. Special vendor-specific code > in Windows? XP Pro shows and error that the disk cannot be formatted. I tried it in the wifes Windows 7 and it shows no drive attached. > > Another option would be to attempt formatting the cards with a camera. I'll have to ask the camera owner if she tried that. OT. The last 2 times that I have sent replies to two list regarding this question, I have not seen it come through to me. Julian's relies as well as yours come through. Robert