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Subject: Re: JFFS2 crash in linux-2.6.30
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Cc: Manoj <manoj23@gmail.com>, linux-mtd@lists.infradead.org
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linux newbie wrote:
> I tried this patch, after which I am not getting crash, but instead it shows
> cp: input/output error. and this is not consistent. somtimes, file
> copying is perfect and some times its not.

You get this when you write to a dnode whose previous data resides
in a NAND block that has gone bad.

Have you set CONFIG_JFFS2_FS_WBUF_VERIFY?