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cannot boot from microSD card on aarch64 machine
From: |
Ricardo Wurmus |
Subject: |
cannot boot from microSD card on aarch64 machine |
Date: |
Wed, 02 Mar 2022 12:37:53 +0100 |
User-agent: |
mu4e 1.6.10; emacs 28.0.50 |
Hi,
I got myself a rockpro64 board. I put armbian
(Armbian_21.08.1_Rockpro64_bullseye_current_5.10.60.img) on a microSD
card to check that it’s all working correctly. Then I downloaded the
latest Guix System image for a pinebook pro and dd’d it to a USB drive.
With the armbian microSD card inserted (which contains an old version of
u-boot) I can boot from USB into Guix System.
So I then decided to build my own system and install a new u-boot onto
the microSD card. Here’s the system I built:
--8<---------------cut here---------------start------------->8---
(operating-system
(host-name "foo")
(timezone "Europe/Berlin")
(locale "en_US.utf8")
(bootloader (bootloader-configuration
(bootloader u-boot-rockpro64-rk3399-bootloader)
;; SD card/eMMC (SD priority) storage
(target "/dev/mmcblk1")))
(kernel linux-libre)
(kernel-arguments
(list "console=ttyS2")) ; UART2 connected on the Pi2 bus
(file-systems (cons (file-system
(device "my-root")
(title 'label)
(mount-point "/")
(type "ext4"))
%base-file-systems))
...)
--8<---------------cut here---------------end--------------->8---
The actual system also has one more initrd module, which I can’t
remember now, but that shouldn’t matter.
I mounted the target disk (an SSD) at /mnt, made sure that the microSD
card was inserted, unmounted, and available at /dev/mmcblk1, and then
ran
guix system init config.scm /mnt
This was successful.
Unfortunately, rebooting failed. There is seemingly no activity at all
when I power on the board, so something’s not right with how u-boot was
installed on the microSD card.
Does it perhaps install the u-boot files at the wrong offsets? How
would I begin to debug this?
I’d appreciate any hints.
--
Ricardo
- cannot boot from microSD card on aarch64 machine,
Ricardo Wurmus <=