Like Christer, I found this thread after experiencing the same problem updating CUPS after making the switch from apparmor to selinux.
-- [hardy alpha 5] package cupsys 1.3.5-2ubuntu1 failed to install/upgrade: subprocess post-installation script returned error exit status 2 https://bugs.launchpad.net/bugs/195661 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs