Hello, I answer to me for archive and help others.
My problem is effectively related to ECC strength used. I try the configuration and the patch proposed by the following thread and it solve my problem. https://community.nxp.com/thread/443085 thanks Jonathan 2017-03-31 16:45 GMT-04:00 Jonathan Poulin <jopou...@gmail.com>: > Hello, > > I built an image for a imx6-dual custom board using yocto krogoth with > meta-fsl-arm. I used u-boot-fslc_2016.07 and linux-fslc-imx_4.1-1.0.x. > > I successfully burnt u-boot and the kernel to nand with mfgtool. But when > I tried to boot it; u-boot got an error in accessing the kernel partition. > > ---- > NAND read: device 0 offset 0x500000, size 0x1e00000 > NAND read from offset 500000 failed -74 > 0 bytes read: ERROR > ----- > > If I write the kernel from u-boot then I can boot the kernel correctly. > > I also tried to erase and write the kernel from the kernel with > flash_ereae and nand_write. Then I couldn't reboot and got the same error. > > I suspect an incompatibility in the ECC encoding protocol used by kernel > and u-boot. > > The NAND chip used is MT29F8G08ABABAWP. > > > Do anyone have a solution or a clue about this ? > > thanks > Jonathan > >
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