FYI: FreeBSD-12.0-CURRENT-arm64-aarch64-20170420-r317181.raw under qemu-system-aarch64 on odroid-c2 under UbuntuMate : No valid device tree blob found!

[Andrew Turner]

> On 30 Apr 2017, at 04:29, Mark Millard <markmi at dsl-only.net> wrote:
> ...
> acpi0: <BOCHS BXPCFACP>
> acpi0: Power Button (fixed)
> acpi0: Sleep Button (fixed)

ACPI is not fully supported on arm64.

Andrew