~ $ sudo gainroot Root shell enabled BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash) Enter 'help' for a list of built-in commands. /home/user # sfdisk -l /dev/mmcblk1 Disk /dev/mmcblk1: 486192 cylinders, 4 heads, 16 sectors/track sfdisk: ERROR: sector 0 does not have an msdos signature /dev/mmcblk1: unrecognized partition table type No partitions found /home/user # file -s /dev'mmcblk1 > file -s /dev'mmcblk1p1 /bin/sh: file: not found /home/user # file -s /dev'mmcblk1p2 >
Check your block device is okay, ie you have the magnet under the stand still.