NAND bad blocks

[Thomas Gleixner]

On Thursday 15 April 2004 18:39, J.D. Bakker wrote:
> Hi all,
>
> There's a slight discrepancy between what mtd and mkyaffs consider a bad
> block.
> ...which would indicate that even one bit set to zero would mark the
> block bad. However, mkyaffs.c has this code:
>
>    /* Read the OOB data to determine if the block is valid.
>     * If the block is damaged, then byte 5 of the OOB data will
>     * have at least 2 zero bits.
>     */

Thats hard to say, as the datasheets tell different stories.
But most of them say, that any bit set to zero marks the block bad

-- 
Thomas
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