I'm running Ubuntu in a bhyve but I can't seem to set the RAM to more than 2GB and have it reflected in the VM :
[me@bethel] ~% sudo iohyve getall ubucrashplan
Getting ubucrashplan iohyve properties...
bargs -A_-H_-P
boot 0
con nmdm2
cpu 2
description Sun Nov 6 17:25:57 PST 2016...