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From: twebb <taliaferro62@gmail.com>
To: dedekind1@gmail.com
Cc: linux-mtd@lists.infradead.org
Subject: Re: ubiformat image verification
Date: Sun, 31 Jan 2010 19:50:16 -0500	[thread overview]
Message-ID: <dbdb2ea61001311650v136a002v3a8e261e91d4a457@mail.gmail.com> (raw)
In-Reply-To: <dbdb2ea61001311517o730595b3j1c32bc8327908f43@mail.gmail.com>

>>> Can the image that is written to NAND using ubiformat be read back
>>> (using nanddump) and compared identically to the original image file?
>>> I want to somehow verify that the image was written error-free to NAND
>>> flash.
>>
>> It can. But it is simpler to add a --check option to ubiformat and teach
>> it to read stuff back and verify.
>>
>
> Yes, a --check or --verify option would be nice.  Does it matter
> whether the underlying NAND flash is erased or not prior to the
> ubiformat?
>

I'm finding that it does matter whether the NAND is erased or not
first.  If erased, the comparison after read back is successful.  If
not erased in advance, the comparison fails.  Can you confirm that
this is accurate?

Thanks,
twebb

  reply	other threads:[~2010-02-01  0:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-29 19:18 ubiformat image verification twebb
2010-01-29 20:21 ` Artem Bityutskiy
2010-01-31 23:17   ` twebb
2010-02-01  0:50     ` twebb [this message]
2010-02-01  4:33       ` Artem Bityutskiy

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