I used similar steps of Hao-Ran Liu's and tested them in original Ubuntu 12.04.2 precise environment. The 'Lock scree' entry will occur once in 10 times. With upgrade lightdm to 1.2.3-0ubuntu2.3, I ran about 30 times but it did not happen anymore.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/951000 Title: disable guest session screen lock using gsettings Status in OEM Priority Project: In Progress Status in OEM Priority Project precise series: New Status in “lightdm” package in Ubuntu: Fix Released Status in “lightdm” source package in Precise: Fix Committed Status in “lightdm” source package in Raring: Fix Committed Bug description: * Impact: sometime screen locking doesn't get disabled in guest session * Test Case: - log into a guest session - try locking the screen screen locking should be disabled * Impact: check that screen locking is well disabled in guest sessions To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/951000/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
