99% of such problems are caused by some incompatability with the MTD.

Suggestions:

1) Fix the mtd. Make sure what you are using is more up to date.
2) Make sure that you configure consistent ECC policies. 

-- Charles


> -----Original Message-----
> From: yaffs-admin@stoneboat.aleph1.co.uk 
> [mailto:yaffs-admin@stoneboat.aleph1.co.uk] On Behalf Of 
> hariharan veerappan
> Sent: Thursday, 17 March 2005 3:02 a.m.
> To: yaffs@stoneboat.aleph1.co.uk
> Subject: [Yaffs] Bad block with CONFIG_YAFFS_USE_OLD_MTD
> 
> 
> Hi 
>     TRY with YAFFS MODULE for linux 2.4.18 kernel
> 
>     compiled the yaffs with CONFIG_YAFFS_USE_OLD_MTD options 
> using arm linux gcc cross compiler 2.95.3 with kernel 2.4.18 
> the module insertion and mount operations are successful.
> 
> When i copy the file in the yaffs mounted directory, DMESG 
> shows the Bad block error a below,
> 
> **>>ecc error unfixed on chunk 4775:0
> **>>Block 149 marked for retirement
> **>>ecc error unfixed on chunk 4776:0
> **>>Block 149 marked for retirement
> 
> when i keep on copying the file into mounted area, i end up 
> with flash of total bad block
> 
> please advise to fix 
> 
> Hariharan.v.
> 
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