Way to clear nand bad block table

Marc Reilly marc at cpdesign.com.au
Thu Jul 26 04:25:24 EDT 2012


Is there a way to clear the nand bad block table?

I'm not sure what happened, but I was playing around with barebox init and
didn't register the nand device - then when I booted the kernel there were a
stack of UBI errors. 
I assume this also did something to the bbt as subsequent barebox startups
give a heap of bad block messages. Note not all blocks are bad - tested with
nandtest and there's still some R/W going on.
All the code I looked at seemed to indicate that once a block is marked bad
you can't go back.

Any ideas much appreciated.


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