[U-Boot] UBIFS Problems with U-boot 2018.1 & 4.14 Linux

[Otto Blom]

Thanks a lot for your help Richard & Heiko !  I appreciate it

I agree, this does not look u-boot or ubifs related anymore

/Otto

On Tue, May 22, 2018 at 2:31 AM, Heiko Schocher <hs at denx.de> wrote:
> Hello Otto,
>
> Am 22.05.2018 um 08:24 schrieb Richard Weinberger:
>>
>> Otto,
>>
>> Am Dienstag, 22. Mai 2018, 03:30:04 CEST schrieb Otto Blom:
>>>
>>> Hi Richard !
>>>
>>> To summarize the observations from the last few days.
>>>
>>> * Linux 4.9 & U-boot 2018 behave the same when attempting to read from
>>> a ubifs file system
>>> * Whenever Linux 4.14 writes to a ubifs there is some form of
>>> incompatibility introduced
>>> causing assorted errors when the file system is read in Linux 4.9 or
>>> U-boot. However
>>> the files can still be read in Linux 4.14.
>>>
>>> This lead me to suspect a problem with the OOB data. So I copied over
>>> a 16MB textfile to
>>> a freshly minted no-compression ubifs partition (running 4.14) and ran
>>> a nanddump both from
>>> Linux 4.9 and 4.14 and the contents are different - Bit errors are
>>> present in the 4.9-dump..
>>
>>
>> This smells like a problem on MTD/NAND-Level.
>> Decompression might fail because bits changes but didn't get fixed by your
>> driver.
>
>
> +1 from my side ...
>
>
> bye,
> Heiko
> --
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