I downloaded and compiled the most recent Gnome source for gnome-power- manager (version 2.23.1 in trunk), and this fixed the problem for me. So, unless this is a quirk of the build process, it seems that this bug is somehow fixed upstream. But I couldn't find any reference to it.
Also, there is a duplicate of this bug at #207553. -- [Hardy] display doesn't go to sleep after today's gnome-power-manager update https://bugs.launchpad.net/bugs/203513 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