Hi, On Fri, Jan 3, 2014 at 6:29 PM, Artem Bityutskiy <artem.bityuts...@linux.intel.com> wrote: > > Hi Pekon, > > On Fri, 2014-01-03 at 11:45 +0000, Gupta, Pekon wrote: > > *_Case-1_ Flashing UBIFS image from u-boot using 'nand write' utility* > > > > For a partially written erased-block.. > > (a) 1st page is written with 'erase-header' > > (b) 2nd page is written with 'volume-header' > > (c) '3rd page' is written with 'some data' > > (d) '4th to last-page of block' should be left blank, but they are written > > with 0xFF. > > As a effect of (d), the ECC calculated for (all 0xff data) is written to > > OOB area of all pages from 4th-page till last-page of the PEB. > > Yup. >
If the 4th to last-page are left blank and not covered with ECC, what will happen in case of bit flips on the blank pages? There was an issue reported some time back. http://lists.infradead.org/pipermail/linux-mtd/2012-January/039256.html Does UBI/UBIFS take care of this now? Thanks, Calvin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
