Thank you very much, the problem is solved by setting CONFIG_YAFFS_DISABLE_TAGS_ECC.

Thanks
Xiaoguang


-----Original Message-----
From: Sujit Reddy [mailto:sujitreddy243@gmail.com] 
Sent: 2010年12月5日 22:38
To: Xiaoguang Chen
Subject: Re: [Yaffs] yaffs2 with onenand on kerenel 35 issue

I think this might help to solve your problem:
http://www.aleph1.co.uk/lurker/message/20100831.001335.8bec7562.en.html#yaffs

Thanks
Sujit


On Fri, Dec 3, 2010 at 11:39 AM, Xiaoguang Chen <chenxg@marvell.com> wrote:
>
>
> Hi
>
> We have an issue when mounting yaffs image on onenand with kernel 35, after
> mount, only “lost+found” in the mounted directory. We tried to add new files
> in the mounted directory, and checked the new file is indeed written to
> onenand flash. But after umount and mount again, the new file is lost and
> again “lost + found” is the only thing .
>
> We suspect whether it’s onenand driver’s problem or yaffs’s problem. so we
> tried to replace all yaffs files in drivers/fs/yaffs2 in kernel 35 with
> kernel 32 yaffs files, and this time the mount has no problem at all.
> Mount/umount both will succeed. So maybe it’s something that yaffs changed
> from .32 to .35,  but we didn’t noticed.
>
> Could you help with problem?
>
>
>
> Thanks
>
> Xiaoguang
>
>
>
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