$ grep -i acpi /boot/loader.conf
Not effective. I guess, because hw.acpi.power_button_state is a sysctl variable but not a loader tunable; acpi.
Is there a way to have the button suspend by default?
For some reason I'm trying to get FreeBSD installed on a notebook (weird, I know) and I'm having trouble getting sleep mode working right. If you run acpiconf -s 3 (or even quit X with Ctrl-Alt-Backspace) while X is running, the screen does this, and if you run it from the command line...