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Subject: Re: another issue with ubifs on v3.6-rc2: attaching an formatted
 device
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Uwe =?ISO-8859-1?Q?Kleine-K=F6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 20 Aug 2012 22:11:07 +0300
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On Mon, 2012-08-20 at 18:07 +0200, Uwe Kleine-K=C3=B6nig wrote:
> [  163.714143] uncorrectable error :=20
> [  163.727597] UBI warning: ubi_io_read: error -74 (ECC error) while
> reading 64 bytes from PEB 0:0, read only 64 bytes, retry
> [  163.740737] uncorrectable error :=20
> [  163.744032] UBI warning: ubi_io_read: error -74 (ECC error) while
> reading 64 bytes from PEB 0:0, read only 64 bytes, retry
> [  163.757119] uncorrectable error :=20
> [  163.760487] UBI warning: ubi_io_read: error -74 (ECC error) while
> reading 64 bytes from PEB 0:0, read only 64 bytes, retry
> [  163.774427] uncorrectable error :=20
> [  163.777808] UBI error: ubi_io_read: error -74 (ECC error) while
> reading 64 bytes from PEB 0:0, read 64 bytes=20

This looks like your flash does not really support sub-pages while
declares that it does. Check it with MTD subpage test.

--=20
Best Regards,
Artem Bityutskiy

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