Re: UBIFS node corruption issue

[Richard Weinberger <richard@sigma-star.at>]

Am Freitag, 1. Juni 2018, 14:23:05 CEST schrieb Sourabh Jain (R&D - Telecom):
> >> What can be the problem?
> >
> > Well, UBIFS' index tree seems to reference a LEB (or part of a LEB)
> > which is empty.
> > This can have tons of reasons. Starting from MTD drivers bugs to UBIFS bugs.
> 
> There is one observation, i have read all the VID header from the PEB
> and there is
> no header having LEB number 328, which causing problem.
> Why there is mapping for LEB Number 328 in index tree?

Depends. Maybe the PEB behind the LEB was erased by mistake.
I have seen such driver bugs.
 
> 
> >> How we can resolve this issue?
> >>
> >> Please suggest us necessary action to be taken. Also, please inform us
> >> if any further input is required from us.
> >
> > Are you facing this problem on more than one target, and is it reproducible?
> 
> We are facing this problem in some boards.
> there is another problem in which the root file system become read
> only but actually it is r/w.

Do you face this issues also on a recent kernel?

Thanks,
//richard

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