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Date: Fri, 24 Feb 2012 15:58:22 +0100
From: Matthieu CASTET <matthieu.castet@parrot.com>
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To: Patrick <kpa_info@yahoo.fr>, Linux mtd <linux-mtd@lists.infradead.org>
Subject: Re: Re : UBI: infinite error loop
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Please keep mtd ML in CC

Patrick a écrit :
> 
>>> Dear mailing-list,
>>>
>>> I am still trying to use UBI and UBIFS on my board running a 3.0.21 kernel.
>>>
>>> When I am doing an the ubiattach -p /dev/mtd4 command I have the following infinite error loop:
>>>
>>>
>>> .....
>>>
>>>
>>> I don't think it's normal that this error loop infinitely again and again...
>>>
>>> Any help is appreciated !
>>>
>>> Thanks in advance
>>>
>> What's your nand driver ?
>> What's your nand device ?
>>
>> Look like it doesn't handle subpage reading : you have ecc error when reading
>> 512 bytes at offset 512.
>>
>> Maybe you should pass -O 2048 to ubiattach
>>
> 
> Hello Matthieu,
> 
> Thanks for your answer.
> 
> I have a Micron MT29F4G08ABBDAH4 and I use the MTD_NAND driver.
But what driver is using your nand controller ?


> I have made a try with the -O 2048 flag but it's worst:
You need to use before ubiformat with the same flag.

Matthieu