Problems with "who"

[astaude%silas.cc.monash.edu.au@localhost (AS)]

For some reason when I do a 'who' it doesn't respond with anything.

The utmp file seems to always be empty. What is up? Any ideas?

----------------------------------
/home/anthony> ls -l /var/run/utmp
-rw-rw-r--  1 root  utmp  0 Jun  5 20:12 /var/run/utmp  
          _   _
         ( \-/ )_.-'"``-._                  "My Cat, Wolfy"
          o o `| -._    )-;-,_`)
        =(v_,)=  _  )--\\  ``-'      astaude%silas.cc.monash.edu.au@localhost
        _.- _..-_/ / ((_/                   (Anthony Staude)
      ((_.-'   ((_/