内核无法启动，是nandflash的问题吗，我按照买的板子手册做的

##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !
Booting Linux ...
Copy linux kernel from 0x00200000 to 0x30008000, size = 0x00300000 ...
Bad block at 0x220000 ,will be skipped
  
Bad block at 0x240800 ,will be skipped
  
Bad block at 0x360000 ,will be skipped
  
Bad block at 0x380800 ,will be skipped
  
Bad block at 0x3e0000 ,will be skipped
  
Bad block at 0x400800 ,will be skipped
Copy Kernel to SDRAM done,Warning: this binary is not compressed linux kernel image
zImage magic = 0x00000000
NOW, Booting Linux......
我将内核与根文件系统都传过去了呀，还有开机logo，启动后就这样，新手求教，高手指点一下呢