5.3-RC2 xorg fails with missing /dev/io

[M. Warner Losh]

In message: <4189F3B9.5000908 at struchtrup.com>
            Sebastian Schulze Struchtrup <seb at struchtrup.com> writes:
: device          mem

Please also note that this is required for netstat -rn to work, since
it grovels in the kvm.  This surprised me :-)

Warner