kern/56891: Starting NetBSD-9.99 in a VirtualBox with ACPI disabled crashes at boot

[roland.illig%gmx.de@localhost]

>Number:         56891
>Category:       kern
>Synopsis:       Starting NetBSD-9.99 in a VirtualBox with ACPI disabled crashes at boot
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jun 19 07:25:00 +0000 2022
>Originator:     Roland Illig
>Release:        9.99.97
>Organization:
>Environment:
amd64
>Description:
Running NetBSD in a VirtualBox with ACPI enabled crashes or hangs.
See PR 56883, PR 56884, PR 56885.

Disabling ACPI requires use of the command line tool VBoxManage:

$ VBoxManage modifyvm {a72b16f9-24a6-4ac1-babf-000000999097} --acpi off
>How-To-Repeat:

>Fix: