boot.log

when pixiecore was started by systemd-unit:

<<< NixOS Stage 1 >>>

loading module virtio_balloon...
loading module virtio_console...
loading module virtio_rng...
loading module loop...
loading module overlay...
loading module dm_mod...
running udev...
kbd_mode: KDSKBMODE: Inappropriate ioctl for device
starting device mapper and LVM...
waiting for device /dev/disk/by-label/nixos to appear.......................
Timed out waiting for device /dev/disk/by-label/nixos, trying to mount anyway.
mounting /dev/disk/by-label/nixos on /...
mounting ../nix-store.squashfs on /nix/.ro-store...
mounting tmpfs on /nix/.rw-store...
mounting overlay on /nix/store...
stage 2 init script (/mnt-root//init) not found

An error occurred in stage 1 of the boot process, which must mount the
root filesystem on `/mnt-root' and then start stage 2.  Press one
of the following keys:

  r) to reboot immediately
  *) to ignore the error and continue

when pixiecore was started by root in a shell:

<<< NixOS Stage 1 >>>

loading module virtio_balloon...
loading module virtio_console...
loading module virtio_rng...
loading module loop...
loading module overlay...
loading module dm_mod...
running udev...
kbd_mode: KDSKBMODE: Inappropriate ioctl for device
starting device mapper and LVM...
waiting for device /dev/disk/by-label/nixos to appear.......................
Timed out waiting for device /dev/disk/by-label/nixos, trying to mount anyway.
mounting /dev/disk/by-label/nixos on /...
mounting ../nix-store.squashfs on /nix/.ro-store...
mounting tmpfs on /nix/.rw-store...
mounting overlay on /nix/store...

<<< NixOS Stage 2 >>>

running activation script...
setting up /etc...
starting systemd...

Welcome to NixOS 20.03 (Markhor)!

[  OK  ] Created slice system-getty.slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
[  OK  ] Created slice User and Session Slice.
[  OK  ] Started Dispatch Password …ts to Console Directory Watch.
[  OK  ] Started Forward Password R…uests to Wall Directory Watch.
[  OK  ] Reached target Containers.
[  OK  ] Reached target Paths.
[  OK  ] Reached target Remote File Systems.
[  OK  ] Reached target Slices.
[  OK  ] Reached target Swap.