Help needed with MTD on AT91SAM9263-EK please.

Richard Genoud richard.genoud at gmail.com
Thu May 29 02:41:05 EDT 2008


> Just out of interest, I did the same over 10 pages.
> $ ./flash_eraseall /dev/mtd0
> $ dd if=/dev/urandom bs=2k count=10 of=/dev/mtd0
> $ nanddump -p -l20480 /dev/mtd0 1> /dev/null
> ECC failed: 3
> ECC corrected: 0
> Number of bad blocks: 0
> Number of bbt blocks: 0
> Block size 131072, page size 2048, OOB size 64
> Dumping data starting at 0x00000000 and ending at 0x00005000...
> ECC: 1 uncorrectable bitflip(s) at offset 0x00003800
>
> Foobar!
>
> Regards,
> James.
ok, so this must be a hardware problem...

richard.



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