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 12:02, Mark Millard <markmi at dsl-only.net> wrote:
> 
> On 2017-Apr-30, at 1:57 AM, Andrew Turner <andrew at fubar.geek.nz> wrote:
> 
>>> 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.
> 
> Good to know. Thanks.
> 
> But the messages:
> 
> No valid device tree blob found!
> WARNING! Trying to fire up the kernel, but no device tree blob found!
> 
> were well before the acpi0 messages so I'd expect
> that the lack of a "device tree blob" is a separate,
> earlier issue, likely to do with the content of:
> 
> FreeBSD-12.0-CURRENT-arm64-aarch64-20170420-r317181.raw

No, the device tree blob comes from UEFI. It seems the current UEFI only provides the ACPI tables, and not a DTB.

Andrew