This command takes an optional device argument. If not specified, and only one device is present, it applies to the single device; if more than one device is present, it must be specified.
This command outputs a human-readable list of the numbers of all not-OK blocks in a device, according to its Bad Block Table.
RedBoot> nand badblocks list -d onboard factory bad: 100, 101. (count: 2 blocks) worn bad: no blocks reserved: 2046, 2047. (count: 2 blocks) RedBoot>