Unity 7.2.4+14.04.20141217-0ubuntu1 is now available on trusty-update, after some tests I confirmed this issue has been fixed.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity in Ubuntu. https://bugs.launchpad.net/bugs/1398287 Title: Unity 14.04 Lock button sometimes takes 30~60s to enter lock screen Status in Unity: In Progress Status in Unity 7.2 series: Triaged Status in unity package in Ubuntu: Fix Released Bug description: When the power button is pressed, the shutdown dialog will be displayed. Then clicks the 'Lock' button on the HUD and it sometimes takes about 30~60s to lock screen. This happens on many Intel-only platforms. PS: If user moves the cursor out of the dialog window after clicking the 'Lock' button, it will switch to lock screen immediately. To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1398287/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp