UBI ECC errors on kernel 3.16.2

[Angelo Dureghello]

Dear Pekon,


> (1) mkfs.ubifs  -m (min-io-size=2048)   [-s (subpage-size=2048)]
> (2) ubinize     -m (min-io-size=2048)
> (3) ubiformat   -O 2048  (indicates that offset of volume-ID header 
> from start of block)
>
Yes, this is the configuration i alwaus used. But with this last kernel 
was not working.
>> 2) So how does it works this subpages-write support if the nand flash
>> does not
>> supports subpages write ?
>>
> You can disable sub-page write by adding following in your driver probe.
> +    chip->options |= NAND_NO_SUBPAGE_WRITE
>
Thansk, this is much more elegant.
Anyway, mtd probe should be able to detect that my flash (mt28f1g08abb) 
does not support
sub-pages.

I opened a bug.

https://bugzilla.kernel.org/show_bug.cgi?id=85481

Many thanks
Angelo