[NAND] nand driver version: 0x2 0x9 
[   46.547827] [NAND] nand driver version: 0x2 0x9 
[SCAN_ERR] search nand physical architecture parameter failed!
[   46.558152] [SCAN_ERR] search nand physical architecture parameter failed!
[NAND]init_blklayer fail 
[   46.567396] [NAND]init_blklayer fail 
modprobe: ERROR: could not insert 'sunxi_nand': Operation not permitted