This bug has not been fixed properly (as of 0.2.7-0ubuntu2). Although the X server doesn't restart, pressing the escape key is zombie- fying/restarting the lightdm process. I've attached a process list showing the zombies (1 for each 'ESC' keypress!).
peter@thor:~$ dpkg -l unity-greeter .... ii unity-greeter 0.2.7-0ubuntu2 Unity Greeter ** Attachment added: "Output of 'ps aux'" https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/962932/+attachment/3059054/+files/lightdm_zombies.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/962932 Title: Pressing escape key on lightdm greeter restarts xserver To manage notifications about this bug go to: https://bugs.launchpad.net/unity-greeter/+bug/962932/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs