If your mouse is also laggy might be that it's caused by X probing your video outputs. That's the cause for me when using computer with Intel Sandy Bridge gpu.
Check if opening Display properties or running xrandr causes cpu spike and mouse laggines. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/828112 Title: Password field feedback slow at times To manage notifications about this bug go to: https://bugs.launchpad.net/unity-greeter/+bug/828112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
