I do not think it is power-manager as the only update I see in the last couple of days that would affect power management is this:
Commit Log for Sun Mar 16 15:16:34 2008 Upgraded the following packages: acpi-support (0.105) to 0.106 -- Backlight on laptop not working https://bugs.launchpad.net/bugs/203720 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