MNT Reform

f0 respawning
With a default arm64 system, error messages like this will appear both on the default  in the system log: Id "f0" respawning too fast: disabled for 5 minutes

To get rid of those, edit the  at  and remove or comment out the last line, that looks something like this:

Then, restart the system.

Clock loses time on reboot
The Reform has two Real-time clocks installed in the system - a battery backed up  and an on-CPU. The  clock is powered by the same rail as the   CPU and will reset together with the system. By default, the  is using, which might be the wrong clock.

To fix this issue, either remove the  kernel driver, or edit the following line in

Check which RTC has been assigned to which device by looking at the kernel ring buffer:

In the above example, the  is the only RTC and it is assigned to.

Boot from (internal) eMMC using initrd
At some point you will probably want to be able to start the laptop without having an SD card inserted. Also, if you are booting from an encrypted disk, which really you should, you will need a mechanism to open the disk at startup. This chapter will explain how you can achieve both of these goals.