hw.vga.acpi_ignore_no_vga=1 for installation media

Sun Mar 17 12:56:12 UTC 2019

Sound's like solid idea.

A lot of systems out there lack propper ACPI description for VGA and it
would definitly make the installation on such a system much more easy.

As far as I can tell it doesn't seam to break other things and even low
power system without VGA (like a pcengines apu2) don't seam to suffer.

On 17.03.19 13:00, FreeBSD-stable-request at freebsd.org wrote:
> Date: Sun, 17 Mar 2019 02:59:12 +0700
> From: Eugene Grosbein <eugen at grosbein.net>
> To: FreeBSD stable <freebsd-stable at freebsd.org>
> Subject: hw.vga.acpi_ignore_no_vga=1 for installation media
> Message-ID: <912fc95d-5a5e-012b-7385-0f43f50dca65 at grosbein.net>
> Content-Type: text/plain; charset=koi8-r
>
> Hi!
>
> Since 11.2-RELESE, default console driver vt(4) checks ACPI table for presence of VGA in the system.
> It does not initialize console (no input, no output) if ACPI states there is no VGA adapter.
>
> There are PRs describing many cases when VGA is present but ACPI lies
> and we have a regression compared with 11.1 and earlier:
> FreeBSD cannot be installed interactively onto such a system, leaving aside serial console.
>
> vt(4) has loader knob to restore pre-11.2 behaviour and ignore ACPI:
>
> hw.vga.acpi_ignore_no_vga=1
>
> Should we add this unconditionally to the installation media designed for interactive VGA-based installation?
>
>
> ------------------------------
>

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