UBI/UBIFS: md5sum of files go bad while running (no powercut)

[Richard Weinberger]

On Thu, Dec 17, 2015 at 12:07 PM, Michal Suchanek <hramrach at gmail.com> wrote:
> Hello,
>
> On 17 December 2015 at 11:03, Ralph Erdmann <rerdmann at bittailors.com> wrote:
>> Dear all,
>> we encounter the following problem on some of our embedded boards in the field:
>> Some files "go bad" during runtime, which causes our application to crash.
>> A reboot "heals" this error.
>
> Is it possible that these libraries being used all the time by the
> application get cached in memory, get never evicted, and only the
> cached in-memory copy is bitrotten?

I'd also go in that direction.
Maybe something is corrupting your memory.
Does writing 2 to vm.drop_caches help?

-- 
Thanks,
//richard