Comment 4 for bug 1277058

it works on my multi-gpu desktop system too:

:~$ ls /var/log/upstart/ | grep amd

:~$ sudo initctl status amd-config
amd-config stop/waiting

:~$ cat /var/log/amd-xconfig.log
multi gpu system with amd(s) detected

:~$ apt-cache policy fglrx-pxpress
fglrx-pxpress:
  Installed: 0.6~hybrid0.0.2
  Candidate: 0.6~hybrid0.0.2
  Version table:
 *** 0.6~hybrid0.0.2 0
        400 http://archive.ubuntu.com/ubuntu/ precise-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     0.6~hybrid0.0.1 0
        500 http://archive.ubuntu.com/ubuntu/ precise-updates/universe amd64 Packages