UBIFS errors are randomly seen after reboots

[Richard Weinberger]

Chaitanya,

On Mon, Jan 16, 2017 at 6:28 AM, chaitanya vinnakota
<chaitanya.sai.v at gmail.com> wrote:
> Hi All,
>
> We are observing  UBIFS and ECC errors randomly even after safe
> reboots . We are using a 256M  spansion nand flash and the kernel
> version is 3.2.54. These errors disappear upon next reboots and appear
> again randomly.

Your log does not show ECC errors.

> [   10.428162] UBIFS error (pid 1): ubifs_check_node: bad CRC:
> calculated 0xa86e925a, read 0xd9a150bb

Hmm, a bad CRC without ECC error? Odd.

> Is the issue with UBIFS or with the nand driver ?

I'd check the driver first. Does it pass mtd and ubi tests?

-- 
Thanks,
//richard