加好友 
发短信
Post By：2018-8-1 16:22:00 [只看该作者]
黄工，新的脚本也还是不行，输出信息为：
umount: /dev/mmcblk1: not mounted
umount: /dev/mmcblk1boot0: not mounted
umount: /dev/mmcblk1boot1: not mounted
umount: /: target is busy
(In some cases useful info about processes that
use the device is found by lsof(8) or fuser(1).)
umount: /dev/mmcblk1p2: not mounted
umount: /dev/mmcblk1rpmb: not mounted
dd: error writing '/dev/mmcblk1': Operation not permitted
1+0 records in
0+0 records out
0 bytes copied, 0.003823 s, 0.0 kB/s
