Android P 上 remount of the / superblock failed: Permission denied

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现象:

$ adb root
restarting adbd as root
$ adb remount
remount of the / superblock failed: Permission denied
remount failed

原因:

Android P 版本后 google 启用 avb(Android Verified Boot)2.0,verified boot and DM-verity 默认启用策略发生了变化。

多调用一次 "adb disable-verity" 就行。

解决:

$ adb root
$ adb disable-verity
$ adb reboot
$ adb root
$ adb remount

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转载自blog.csdn.net/afei__/article/details/83058933