Hi Miquel, On Tue, 23 Mar 2021 at 23:06, Miquel Raynal <miquel.ray...@bootlin.com> wrote: > > > > # nandbiterrs -i /dev/mtd1 > > incremental biterrors test > > Successfully corrected 0 bit errors per subpage > > Inserted biterror @ 0/5 > > Read reported 4 corrected bit errors > > ECC failure, invalid data despite read success > > This is not a valid behavior. There is something wrong with the way ECC > status is read/retrieved. The read should indeed report 4 corrected bit > errors, but then the data should be valid. Here it means that the > introduced error appears corrected but in fact is not. > > We need to understand what status are available and write the > appropriate vendor code.
Ok. Glad we checked then :). Before sending again I will recheck how the ECC status is read and fix that up. Thanks, Daniel