Troubleshooting Hardware Shutdown and Power Off

If a firewall device does not automatically power itself off, this is typically a case of FreeBSD and ACPI not working well together on a particular hardware combination.

As a test, enter this at the CLI then attempt a power-down:

sysctl hw.acpi.disable_on_reboot=1

For a more permanent solution, add an entry under System > Advanced on the Tunables tab to set: