I have the same problem sometimes after screen saver activated. I guess the problem is VirtualBox witn Win7. If last active application is VirtualBox with Win7 all keyboard stream go to in Windows but not in password field. Usually I use change user way to reactivate password field.
Also keyboard layout switcher does not work from keybord (Ctrl+Shift) complitly (I change it by mouse) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255558 Title: Can't type my password after cold boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1255558/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs