UBIFS Corruption

[Reginald Perrin]

> > 
> > However, we just saw  2 corruptions within the past 48h that we can't 
>explain. 
>
> >  We've  been doing the same basic operation (in terms of 
>flashing/reading/writing 
>
> > images) for quite some time, and have reflashed our units many times  (over 
> > thousands of different hardware units).
> 
> OK, did more  happen meanwhile?


No, just these two so far

> 
> > Device #1 failure:
> > * Device was running  out of a partition mounted to /home (a 93MB partition 
>from 
>
> > a 128MB NAND  device)
> > * Our app was running normally and locked up (not sure  why).  Our code may 
>have 
>
> > been updating a sqlite database located  in that partition
> > * When we power cycled, the partition had the  corruption issue noted.
> 
> Do you still have these devices? You need to  enable UBIFS recovery
> debugging messages and send them to me, may be then I  can help.
> 

Excellent ideal.  Let me try enabling that in the kernel and updating just the 
kernel to see what we can find.

FWIW, I have downloaded a complete image of that corrupt partition.  Not sure if 
that helps me yet, but worth mentioning.

RP