`shutdown -p now` fails to power off with VirtualBox UEFI boot

[Warner Losh]

On Mon, Jun 22, 2020 at 9:40 AM Yasuhiro KIMURA <yasu at utahime.org> wrote:

> From: Warner Losh <imp at bsdimp.com>
> Subject: Re: `shutdown -p now` fails to power off with VirtualBox UEFI boot
> Date: Mon, 22 Jun 2020 08:57:24 -0600
>
> > Does setting the tunable hw.efi.poweroff=0 help you?
>
> I add it to /boot/loader.conf and then `shutdown -p now` successfully
> powers off system.
>
> Does existence of this tunable mean that there are some UEFI
> implementations that have problem with power off functionality?
> (And VirtualBox is unfortunately one of such implementations?)
>

I believe so. However, I've not dived deeply enough into this problem to
understand if it is a bug in our code or theirs.

Warner


> ---
> Yasuhiro KIMURA
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