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发表于 2019-10-12 10:25:11
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4 H ]4 N0 Z2 v4 I" C0 d; N特权模式下,第一步就不行了,然后ls -l /dev/mtd* 可以看到
7 d9 I4 f( j9 V, _$ e8 D* Lcrw------- 1 root root 90, 0 Jan 1 08:00 /dev/mtd0 " @' e/ o+ F# U
crw------- 1 root root 90, 1 Jan 1 08:00 /dev/mtd0ro , e# H! `4 N9 {6 X/ {. Q4 @5 U7 D4 q
crw------- 1 root root 90, 2 Jan 1 08:00 /dev/mtd1
# h. L6 ]) E* U1 l7 ocrw------- 1 root root 90, 3 Jan 1 08:00 /dev/mtd1ro
, A0 Z1 a5 u- W, d5 q1 c/ hcrw------- 1 root root 90, 4 Jan 1 08:00 /dev/mtd2
9 L! k2 w% v C& f# acrw------- 1 root root 90, 5 Jan 1 08:00 /dev/mtd2ro
5 B! M. F& K9 ~% C. g# z5 Q" acrw------- 1 root root 90, 6 Jan 1 08:00 /dev/mtd3
3 @# d$ D, x0 `) W9 {. h3 ~* Ecrw------- 1 root root 90, 7 Jan 1 08:00 /dev/mtd3ro
2 @" e6 C: u# G( c, `! Vbrw------- 1 root root 31, 0 Jan 1 08:00 /dev/mtdblock0
5 n7 } Y) } @brw------- 1 root root 31, 1 Jan 1 08:00 /dev/mtdblock1 ' q- K, ]* q9 z0 Y4 a: Q9 j
brw------- 1 root root 31, 2 Jan 1 08:00 /dev/mtdblock2
. a) d* g2 k+ \. z2 @" F6 b$ nbrw------- 1 root root 31, 3 Jan 1 08:00 /dev/mtdblock3 6 o1 ^' X! j- B; c5 }- F. ^
但是执行有如下错误
* _: w7 V0 N, v" ^ J0 F- L3 v! h; zsh-4.3# dd if=fullcat.bin of=/dev/mtd0 8 L1 K) U- N# h; |* U! K
dd: writing to '/dev/mtd0': No space left on device
3 ]/ j* s% `6 x7 H, P) i Q1 V2 E% g1601+0 records in
E* @7 b& \! O0 a, y1600+0 records out
! E' D/ K; V8 h3 M) a' v819200 bytes (819 kB, 800 KiB) copied, 1.40157 s, 584 kB/s
: n) R. w+ \# f4 m" e! @sh-4.3# dd if=fullcat.bin of=/dev/mtd0ro
5 {( Q, L4 V/ _; gdd: failed to open '/dev/mtd0ro': Permission denied
/ J- y) i. u2 x2 ^sh-4.3# chmod 777 /dev/mtd0ro 5 [2 x" I: V& t% ]0 {0 v7 a; Q6 C, ~
sh-4.3# dd if=fullcat.bin of=/dev/mtd0ro
/ o" O. K5 \; M) Hdd: failed to open '/dev/mtd0ro': Permission denied 1 P3 d. T4 y& ?" ^, z; V
sh-4.3#
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