UBIFS crash (was Re: Problems with mtd_oobtest)

Artem Bityutskiy dedekind1 at gmail.com
Fri Mar 30 10:07:31 EDT 2012

On Sat, 2012-03-24 at 08:22 +0100, Matej Kupljen wrote:
> To all,
> after reading the posts on the mailing list, with similar problems,  I
> believe that
> Artem was right already in the beginning where he suggested that I am
> experiencing
> "unstable bit" issue.
> If you look at the kernel log, the dump of the empty space, clearly
> shows one bit-flip,
> where the first word is read as 0xfffffffd, instead of 0xffffffff.

The unstable bits issue is related to unclean reboots. AFAIU, you
observe problems when you do not have power cuts at all. This means you
have some issues in your driver/HW level. Did you check if your driver
corrects bit-flips in empty space?

Best Regards,
Artem Bityutskiy
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