I have got a Huawei Kunpeng 920 aarch64 cpu machine. It is running ubuntu 20.04.3 LTS, which is installed on the harddisk.
I can boot ubuntu 20.04 LTS arm 64 on it with a USB key (made with dd).
But I failed to boot with any nixos aarch64 efi iso (e.g., this one) USB key.
The grub menu appears, but any selection will not lead to further action and one more press to any key will bring me back to the grub menu.
Any idea of how I should do?