Comment 3 for bug 1404486

* enable proposed repository & install unity package.

$ LANG=C apt-cache policy unity libunity-core-6.0-9 unity-services
unity:
  Installed: 7.2.4+14.04.20150316-0ubuntu1
  Candidate: 7.2.4+14.04.20150316-0ubuntu1
  Version table:
 *** 7.2.4+14.04.20150316-0ubuntu1 0
        400 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     7.2.4+14.04.20141217-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-updates/main i386 Packages
     7.2.2+14.04.20140714-0ubuntu1.1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-security/main i386 Packages
     7.2.0+14.04.20140416-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty/main i386 Packages

libunity-core-6.0-9:
  Installed: 7.2.4+14.04.20150316-0ubuntu1
  Candidate: 7.2.4+14.04.20150316-0ubuntu1
  Version table:
 *** 7.2.4+14.04.20150316-0ubuntu1 0
        400 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     7.2.4+14.04.20141217-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-updates/main i386 Packages
     7.2.2+14.04.20140714-0ubuntu1.1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-security/main i386 Packages
     7.2.0+14.04.20140416-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty/main i386 Packages

unity-services:
  Installed: 7.2.4+14.04.20150316-0ubuntu1
  Candidate: 7.2.4+14.04.20150316-0ubuntu1
  Version table:
 *** 7.2.4+14.04.20150316-0ubuntu1 0
        400 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     7.2.4+14.04.20141217-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-updates/main i386 Packages
     7.2.2+14.04.20140714-0ubuntu1.1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty-security/main i386 Packages
     7.2.0+14.04.20140416-0ubuntu1 0
        500 http://ftp.jaist.ac.jp/pub/Linux/ubuntu/ trusty/main i386 Packages

[CHECK: TEST CASE]
(1) open an application (eg. Firefix) and make it fullscreen (F11)
(2) press the power button or choose Shut Down... from the Session indicator menu.
(3) The Session (shutdown/restart) dialog should appear and be interactive.

---> The Session dialog appear (lockscreen, suspend, hibernate etc... function OK)