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Hamming hw ecc

Guru 20755 points

Hello,

I work with jffs, and hamming hw ecc.

I program the flash kernel, file-system with "nandecc hw 0".

But on boot I see the following failures:

mtd->read(0x6f8 bytes from 0x288a908) returned ECC error

Is there any reason for that ? What can we do about it ?

Regards,

Ran