[Yaffs] [Yaffs-archive] RE: Help

[Stephan Linke]

Hi,

is this the reason why YAFFS (at least in my version) counts tagsEccUnfixed (about 1 for every nErasedBlocks)? What what conclutions
can I get from this value.

Regards, Stephan

> -----Original Message-----
> From: Charles Manning [mailto:manningc2@actrix.gen.nz]
> Sent: Dienstag, 10. Februar 2004 04:04
> To: david.ding; yaffs@toby-churchill.org
> Subject: Re: Help
>
>
> On Monday 09 February 2004 15:17, david.ding wrote:
> > When reading a block data  by the function  yaffs_ReadChunkFromNAND,i found
> > ECC error ,is this block  ok?
>
> The short answer is... it depends :-).
>
> If this happened during scanning on blocks which were expectedc to be erased,
> then that is fine since an erased block's ECC will not compute correctly.
>
> If this happened at other times, then it is a genuine ECC problem. If the ECC
> could fix the data then all is well, otherwise there was data corruption.
>
> -- Charles
>
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