Removing libpam-ck-connector also causes apt to remove ubuntu-desktop; I've filed this as bug 709531 [1].
[1] https://bugs.launchpad.net/ubuntu/+source/lxdm/+bug/709531 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/576073 Title: Installing libpam-ck-connector break mounting device -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs