the fact that dialog was not displayed has nothing to do with unity, it's pkexec which requires a config file allowing to keep the display for the command being run, the bug was in gnome-system-log
the fact that unity doesn't display command line errors in a graphical way when an application fails to start is another issue which got reported and is already being tracked in another ticket -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/957641 Title: unity does not display authentication window for pkexec To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/957641/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs