Under Linux, I can simply do a:
dd if=ubuntu-14.04.1-desktop-amd64.iso of=/dev/sdb
and boot up the /dev/sdb which is a device for a flash drive. It finishes in 263 seconds.
But: If I boot up an OpenBSD 5.6 and do the same (for the same flash drive, zeroed it between the two tests):
dd if=ubuntu-14.04.1-desktop-amd64.iso of=/dev/rsd1i
It takes about half an hour to finish (using securelevel 1), but when I boot up the flash drive from it the BIOS only says:
no active partition found
Question: what am I missing?