Re: [question]MTD:unstable bit issues?

hejianet
2012-10-24T08:53:12Z

Hi Thomas
Yes, we use jffs2.
How did u solve your bug? :)
On 2012-10-24 16:13, Thomas.Betker@rohde-schwarz.com wrote:
> Hello Jia:
>
>> -----------------------------------------------------
>> 2)a 4k bytes hole with all 0 in the flash file.
>> -----------------------------------------------------
>> -original-file DD AF C8 EE 57 EB 84 CE A1 7F B1 38 E7 22 51 2F
>> - 94 AE 77 5B 48 EA 61 8C 09 BB C5 74 6E B1 87 D2
>> - A9 32 8D 2A E7 7F D2 C3 DB 1A 92 E7 66 7C B8 4E
>> ......
>>
>> +file-in-flash 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>> ......
>> -----------------------------------------------------
> We have also seen this "4k zeros" issue for some time. I never found out
> was was happening because the issue was suddenly no longer reproducible.
> :-(
>
> In our case, though, we didn't have NAND flash, but JFFF2 with serial NOR
> flash. So I would guess that this is not a NAND problem.
>
> Which file system do you run? Is it JFFS2?
>
> Best regards,
> Thomas
>
>
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