Hi Mirzak,
you’re correct, the checksum returned by mender-artifact read don’t match with the sha256 of the /dev/hda2 partition (I’m on qemu) I’m investigation why at boot something on the filesystem change (I have “read-only-rootfs” feature enable), and I confirm that /dev/hda3 have the correct checksum. I will keep you posted.
Thank you,
Mauro