Get error -74 (ECC error) during ubiattach

Richard Weinberger richard at nod.at
Sat Dec 20 02:02:56 PST 2014


Am 20.12.2014 um 11:00 schrieb Oleksij Rempel:
> Am 20.12.2014 um 10:27 schrieb Richard Weinberger:
>> Hi!
>>
>> Am 20.12.2014 um 04:43 schrieb t kevin:
>>> So for uncorrectable ECC error ( e.g., bad block) the only way out is
>>> to do a fresh ubiformat?
>>> For device like harddisk you get bad blocks all the time, if it is not
>>> in the critical sector things can be fixed as much as possible by fsck
>>> so I was looking for something like fsck.ubifs.
>>
>> An uncorrectable ECC error means that more bits flipped than your ECC
>> algorithm can fix.
> 
> At same time uncorrectable ECC error mean, the page was erase and there
> is no ECC sum. Something should be written to create ECC.

Which would be a driver bug and needs fixing.

Thanks,
//richard



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