I simpled typed the stanza that I found in the GNU/Hurd wiki:
console -d vga -d pc_kbd --repeat=kbd -d generic_speaker \ -d pc_mouse --repeat=mouse --protocol=ps/2 -c /dev/cons /dev/vcs
Just to be sure: did you make the two symbolic links, as written in Xfree86 TWiki page?
Regards, ogi