|
|
发表于 2019-10-12 10:25:11
|
显示全部楼层
! l$ e5 K$ i! K5 _! G0 z特权模式下，第一步就不行了，然后ls -l /dev/mtd* 可以看到: i) G Y- Q4 I1 w+ B& O
crw------- 1 root root 90, 0 Jan 1 08:00 /dev/mtd0
" B2 w) T6 q* H6 O) N8 t/ Z {+ Vcrw------- 1 root root 90, 1 Jan 1 08:00 /dev/mtd0ro , {1 z4 b+ T3 [
crw------- 1 root root 90, 2 Jan 1 08:00 /dev/mtd1 6 K+ D7 n/ D x' W3 f
crw------- 1 root root 90, 3 Jan 1 08:00 /dev/mtd1ro ( P6 T7 \$ Y o* u
crw------- 1 root root 90, 4 Jan 1 08:00 /dev/mtd2
" _+ ~+ b, X7 _% l; L5 `crw------- 1 root root 90, 5 Jan 1 08:00 /dev/mtd2ro
" I( E: h: |( V" r0 C! y7 X0 ]" Dcrw------- 1 root root 90, 6 Jan 1 08:00 /dev/mtd3 ( q" m1 }( l$ d/ A
crw------- 1 root root 90, 7 Jan 1 08:00 /dev/mtd3ro * ]' {2 P. e7 | w* s
brw------- 1 root root 31, 0 Jan 1 08:00 /dev/mtdblock0 $ F- n& D& W, x) z( e; f& [
brw------- 1 root root 31, 1 Jan 1 08:00 /dev/mtdblock1
0 I- m2 h% u7 v; `0 h% @/ hbrw------- 1 root root 31, 2 Jan 1 08:00 /dev/mtdblock2
2 C$ ]& C, ~% x5 kbrw------- 1 root root 31, 3 Jan 1 08:00 /dev/mtdblock3 ; s! t8 }0 ]0 A1 e1 g C
但是执行有如下错误
1 X; R6 k1 u$ S# f2 d8 g& tsh-4.3# dd if=fullcat.bin of=/dev/mtd0
( u3 b5 b) k: r# @7 f6 q7 mdd: writing to '/dev/mtd0': No space left on device
& ]3 L8 L& \+ y5 A j$ ?. m1601+0 records in
8 A; V. \0 A T4 k' ^- A1600+0 records out
5 H# a* Q" W' d8 N: r819200 bytes (819 kB, 800 KiB) copied, 1.40157 s, 584 kB/s # i' {+ R& E# L( f- T
sh-4.3# dd if=fullcat.bin of=/dev/mtd0ro 0 x$ s; p9 {- O) K
dd: failed to open '/dev/mtd0ro': Permission denied
9 l3 O' }1 L6 t" p( i/ f0 hsh-4.3# chmod 777 /dev/mtd0ro
4 |) t9 k1 X( W& {, l: Osh-4.3# dd if=fullcat.bin of=/dev/mtd0ro
9 Y" U- F- R, a/ ]4 ]dd: failed to open '/dev/mtd0ro': Permission denied
$ d0 c" Z! e% g: Gsh-4.3# ! _; m8 |" X5 {8 u
|
|
楼主: tymfl
|Archiver|手机版|小黑屋|矿渣社区
( 黔ICP备2024020525号-1 )
