Here's a dump of the first sector of the device in question. It's possible this issue is due to bug 473135, but I don't know which bits in the superblock to look at to verify that.
00000000 58 46 53 42 00 00 10 00 00 00 00 00 00 3f 69 f0 XFSB.........?i. 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000020 d3 aa fd 10 61 4f 40 5d 81 80 6f 36 c9 92 81 81 ......@]..o6.... 00000030 00 00 00 00 00 20 00 04 00 00 00 00 00 00 00 80 ..... .......... 00000040 00 00 00 00 00 00 00 81 00 00 00 00 00 00 00 82 ................ 00000050 00 00 00 01 00 0f da 7c 00 00 00 04 00 00 00 00 .......|........ 00000060 00 00 0a 00 b4 a4 02 00 01 00 00 10 72 6f 6f 74 ............root 00000070 00 00 00 00 00 00 00 00 0c 09 08 04 14 00 00 19 ................ 00000080 00 00 00 00 00 01 63 40 00 00 00 00 00 00 04 c5 .......@........ 00000090 00 00 00 00 00 38 e5 f5 00 00 00 00 00 00 00 00 .....8.......... 000000a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 000000b0 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 ................ 000000c0 00 00 00 00 00 00 00 01 00 00 00 08 00 00 00 08 ................ 000000d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ * -- [email protected] -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

