Re: UBIFS seeing corrupt blank pages when image flashed via u-boot

[Stefano Babic <sbabic@denx.de>]

Hi Gupta,

On 03/01/2014 13:59, Artem Bityutskiy wrote:

> Basically, "ubiformat" is the "correct" UBI-aware flasher, while
> u-boot's "nand write" seems to be a dumb flasher.

It is, it is *not* recommended for UBI volume without "ubinizing" your
image.

> I guess you have 2
> options:
> 
> 1. Teach u-boot's "nand write" to skip empty pages, or may be implement
> a separate "clever" flashing command.

You can also add (my preferred way) UBI support to your U-Boot, if it
does not yet have. Then you will have "ubi part" (corresponds to
ubiattach in Artem's MTD utilities), "ubi createvol" and "ubi writevol"
(respectively, ubiupdatevol and ubimkvol). If you use dumb nand
utilities, you have to erase the flash first with "nand erase", and this
will lose the erase counters.

Best regards,
Stefano Babic

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