Hi, Please keep this on list. Forwarded from: "Julian Stacey" <[email protected]> http://www.berklix.com/~jhs/
------- Forwarded Message >From [email protected] Thu Nov 24 05:15:33 2011 From: Robert <[email protected]> To: "Julian H. Stacey" <[email protected]> Subject: Re: Invalid fdisk partition table found Message-ID: <20111123192154.5b0a64ab@dell64> In-Reply-To: <[email protected]> References: <20111123123347.4f439c9c@dell64> <[email protected]> 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 Julian and Warren thanks for the responses. On Wed, 23 Nov 2011 22:08:00 +0100 "Julian H. Stacey" <[email protected]> wrote: > Robert wrote: > > Greetings > > > > [robert@dell64] ~> uname -a > > FreeBSD dell64.shasta204.local 8.2-STABLE FreeBSD 8.2-STABLE #34: > > Fri Nov 18 06:43:01 PST 2011 > > [email protected]:/usr/obj/usr/src/sys/GENERIC amd64 > > > > I have two Lexar Professional 600X 16GB compact flash cards that are > > unusable. fdisk shows: > <clip> > > Is there any way I can restore these CF cards to 16GB? Any help or > > suggestions will be greatly appreciated. > > @ suggestions: > 1 Try > bsdlabel -B -w -r /dev/da1 [robert@dell64] ~> sudo bsdlabel -B -w -r /dev/da1 Password: [robert@dell64] ~> > echo unplug, reinsert Not sure if you actually wanted me to unplug and reinsert the CF card...so I did both [robert@dell64] ~> echo unplug, reinsert unplug, reinsert and physically unplugged and reinserted the CF card > newfs /dev/da1a ^ ??? [robert@dell64] ~> sudo newfs /dev/da1a newfs: /dev/da1a: could not find special device [robert@dell64] ~> sudo newfs /dev/da1 /dev/da1: 29.5MB (60480 sectors) block size 16384, fragment size 2048 using 4 cylinder groups of 7.39MB, 473 blks, 960 inodes. super-block backups (for fsck -b #) at: 160, 15296, 30432, 45568 cg 0: bad magic number [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 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 The data for partition 2 is: <UNUSED> The data for partition 3 is: <UNUSED> The data for partition 4 is: <UNUSED> No change from before. > > 2 Base of _my_ man fdisk > " When running multi user, you cannot write unless you first run > this: sysctl kern.geom.debugflags=16 I had failed to mention in the original post that I had seen something in my searches about problems since 7.1. I had tried booting from an old 6.2 disk and attempted all of this under "fixit" with no luck. And also tried in single user mode. Warren, [robert@dell64] ~> sudo gpart destroy -F da1 gpart: geom 'da1': Invalid argument [robert@dell64] ~> sudo gpart create -s GPT da1 da1 created [robert@dell64] ~> sudo gpart bootcode -b /boot/pmbr da1 bootcode written to da1 [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 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 The data for partition 2 is: <UNUSED> The data for partition 3 is: <UNUSED> The data for partition 4 is: <UNUSED> 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. Thanks again Robert ------- End of Forwarded Message _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[email protected]"
