About /dev/mmcblk3rpmb operation

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About /dev/mmcblk3rpmb operation

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jason_rsmgnu
Contributor II

How Can I operate the eMMC RPMB partition?  When I mount this patition,the information is below:

root@imx6qsabresd:/dev# mount /dev/mmcblk3rpmb /mnt/
[ 458.812486] EXT4-fs (mmcblk3rpmb): unable to read superblock
[ 458.818792] EXT3-fs (mmcblk3rpmb): error: unable to read superblock
[ 458.825612] EXT2-fs (mmcblk3rpmb): error: unable to read superblock
[ 458.832345] FAT-fs (mmcblk3rpmb): unable to read boot sector
[ 458.847143] EXT3-fs (mmcblk3rpmb): error: unable to read superblock
[ 458.853665] EXT2-fs (mmcblk3rpmb): error: unable to read superblock
[ 458.860122] EXT4-fs (mmcblk3rpmb): unable to read superblock
[ 458.865996] FAT-fs (mmcblk3rpmb): unable to read boot sector
mount: mounting /dev/mmcblk3rpmb on /mnt/ failed: Invalid argument
root@imx6qsabresd:/dev# @

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Yuri
NXP Employee
NXP Employee

Hello,

  Please try using mmc-utils for RPMB operations.

Boot from eMMC mmcblk3boot0 or mmcblk3boot1. 

Have a great day,
Yuri

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