08-15-2018, 01:30 PM
I'm getting the same errors too on my rock64. I moved my root partions to an ssd drive. So the only partition mounted is the /boot/efi directory. It's mounted on /dev/mmcblk1p6. But my error messages are happening on mmcblk0. I'm not sure why the kernel is trying to access that card at all. But there is definitely some problem with the rock64's ability to access memory cards. This appears to be hardware related, although there could well be a software fix. Maybe a timing issue? I'm not qualified to say. But there are a number of reports on this problem even though new cards are used. Mine is a new Samsung 32GB Evo.