Now,I now using L2.6.35_10.12.01_SDK, compiled kernel version 2.6.35 of the kernel image and modules and tools I use Mfgtools in rootfs.tar.bz2 burned into NANDFLSH modules in the package is 2.6.31 , I now use 2.6.35 to replace the modules, but the last programmed into the system will not boot