I have a similar experience: System -> Lock Screen Then I close the portatil computer and open it: no password is needed!!
(i have dapper drake amd64 on a acer aspire) Sorry for my english. -- Pressing power button unlocks locked screensaver https://launchpad.net/malone/bugs/37350 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
