Re: No ConOut(Dev) on ASUS PRIME Z590M-PLUS UEFI

From: Warner Losh <imp_at_bsdimp.com> Date: Tue, 5 Oct 2021 21:20:03 -0600

On Tue, Oct 5, 2021, 12:17 PM Ruben van Staveren via freebsd-stable <
freebsd-stable_at_freebsd.org> wrote:

> Hi list,
>
> I’m a bit puzzled on what happens on my Asus Prime Z590M-PLUS motherboard
> as it has no video console with UEFI booting. After scanning some of the
> source code I’ve learned that apparently ConOut/ConOutDev is required but
> this motherboard doesn’t show them. Otherwise I’m fine with a working
> serial console
>
> $ sudo efivar | grep -- -Con
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConInDev
>

Can you pipe this through '| carbs sudo efivar --devicepath' please?

Warner

A FreeBSD bhyve vm using UEFI boot shows this instead
>
> $ sudo efivar | grep -- -Con
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConInDev
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOutDev
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOut
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn
>
> Best regards,
>     Ruben
>
>
>