Hello, I am trying to build a nerves system for the Logic Supply CL210G-10 . The technical constraints are: boots only from a UEFI partition x86 architecture internal eMMC So far I can only boot my nerves firmware from a USB drive. When I burn the firmware via fwup to the eMMC the firmware hangs…

I saw that you changed the disk signature from 0x04030201 to 0x01234567 in the diff. You also need to change it in the grub.cfg to match. I’m actually not sure how the USB drive boot worked for you, so I’m ignoring that piece of information for now. The key line in your picture is “Waiting for root…

I tried updating the PARTUUID in the grub.cfg without any success and reverted the change at all. Is was a desperate try anyway. Unfortunately the approach with using /dev/sda3 as the root partition did not work either. I installed a xubuntu on the eMMC which boots fine. Here is the kernel config

It is finally booting, I was missing the driver for the mmc controller after all. Thanks for your help

Elixir Programming Language Forum

X86 system with UEFI boot from eMMC memory

Questions & Help Questions

ConnorRigby September 14, 2018, 3:19pm 2

Do you have a kernel defconfig that is known to boot off of your emmc?