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
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/restartin g 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