Probably seeing the same here on an Thinkpad X230 with Ubuntu 14.04. Didn't have this issue until recently. The keyboard input doesn't work until I interact with the icons in the top-bar. Just clicking and dismissing the cog menu is enough to make keyboard input work again.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1295837 Title: keyboard doesnt work after hibernation lockscreen Status in “lightdm” package in Ubuntu: Confirmed Bug description: when i open the lid to my laptop the keybaord doesnt work in the lockscreen unless i go up to the power cog and go to switch account then i can log back in just fine it only happens when my laptop lid has been shut for more then 5 mins... This is for ubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1295837/+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