XG-1540/1 - wrong console type breaks single-user mode
Single-user mode is not accessible on the XG-1540 and XG-1541 because single-user mode is trying to use the first console boot option which is comconsole rather than vidconsole.
/boot/loader.conf has console defined like so:
flipping these values allows access to single-user mode:
This was tested with 2.3.2 and 2.3.3 using the standard factory memstick image.