start writing mdt0! Q, K' U* g4 d% U" X8 n
dd: error writing ‘/dev/mtdblock0’: Operation not permitted ; J; u, Z5 ? V1 d1+0 records in8 u# {9 P- H" V4 `+ b X/ Z
0+0 records out! a H7 h5 T+ \+ T! D+ A
0 bytes (0 B) copied, 0.000464875 s, 0.0 kB/s2 M ?4 v4 g4 S$ H# Q2 B$ D
write mtd0 failed3 G6 d) @0 b/ ^3 D# {, W. L
什么情况