Low level format也开了，还这样？什么情况？Skip block ？有物理坏块了吗？
NAND Low-level formating...
NAND Low-level formatted...
Superboot-210
Ver: 1.16(20130204)
CPU: S5PV210 1GHz
RAM: 512MB
NAND: 4GB(MLC2) ID:ECD7947A
Touch Device: 1-wire
LCD Type: H43(Auto)
USB Mode: Waiting...
USB Mode: Connected
NAND Low-level formating...
NAND Low-level formatted.
Installing bootloader...
Installing bootloader succeed
Installing kernel...
Skip block 0x00000004
Skip block 0x00000005
Installing kernel succeed
Updating Linux/Android Command Line...
Linux/Android Command Line Saved
Installing yaffs2-image...
Skip block 0x00000010
Skip block 0x00000011
Installing yaffs2-image succeed
