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发表于 2019-10-12 10:25:11
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特权模式下,第一步就不行了,然后ls -l /dev/mtd* 可以看到) _8 s1 U! B$ @
crw------- 1 root root 90, 0 Jan 1 08:00 /dev/mtd0
, i# } |+ _1 X1 \3 ]/ q3 Zcrw------- 1 root root 90, 1 Jan 1 08:00 /dev/mtd0ro 7 K1 I2 i! R0 i) U. r2 \9 ]
crw------- 1 root root 90, 2 Jan 1 08:00 /dev/mtd1
, s0 b5 @6 ]2 u Bcrw------- 1 root root 90, 3 Jan 1 08:00 /dev/mtd1ro
8 E) L" U. ?7 g* G1 Z3 G, ^- f) L1 rcrw------- 1 root root 90, 4 Jan 1 08:00 /dev/mtd2
: r5 z4 |' x8 Y* ?3 Kcrw------- 1 root root 90, 5 Jan 1 08:00 /dev/mtd2ro
: a% C* j) x- Dcrw------- 1 root root 90, 6 Jan 1 08:00 /dev/mtd3
9 ] b7 J G1 N3 Gcrw------- 1 root root 90, 7 Jan 1 08:00 /dev/mtd3ro : Y+ Z2 a; b- v* r! I3 \5 E; `
brw------- 1 root root 31, 0 Jan 1 08:00 /dev/mtdblock0
2 x' a1 U4 b6 q# L; G( g. v+ V; Ubrw------- 1 root root 31, 1 Jan 1 08:00 /dev/mtdblock1 . c1 L. t; u# Y
brw------- 1 root root 31, 2 Jan 1 08:00 /dev/mtdblock2 $ a5 T7 S8 e9 J0 C0 c' s
brw------- 1 root root 31, 3 Jan 1 08:00 /dev/mtdblock3
I& B& m- B, r9 M4 r. t但是执行有如下错误
6 X3 k; P. m: b- i( v7 bsh-4.3# dd if=fullcat.bin of=/dev/mtd0 & _ [7 Q$ p& M* \( N
dd: writing to '/dev/mtd0': No space left on device
! v( g3 q; h. B" a4 S1601+0 records in 7 G% h8 F. V$ {, N0 V$ o) M
1600+0 records out 1 R" F/ B$ t4 x# W
819200 bytes (819 kB, 800 KiB) copied, 1.40157 s, 584 kB/s
2 `5 _; w: X4 ~/ Ssh-4.3# dd if=fullcat.bin of=/dev/mtd0ro % Z& D) e1 D$ W: [; ?. i
dd: failed to open '/dev/mtd0ro': Permission denied + Z2 M: B! `" {" E5 n: i6 r
sh-4.3# chmod 777 /dev/mtd0ro ; x/ a! Q9 A! W4 M; a
sh-4.3# dd if=fullcat.bin of=/dev/mtd0ro
' c' [) R5 i9 e9 V3 Wdd: failed to open '/dev/mtd0ro': Permission denied 1 ]( A6 ]" t) {
sh-4.3# % H7 X- l+ r( o: ?6 v/ h& z. W3 |; ]
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