I've got the same problem in Ubuntu 13.04. After login, I get a blank screen for about a second, then it goes back to lightdm. Removing either .ICEauthority or .Xauthority solves the problem. The problem reappears (to me) seemingly random, so not necessarily after each successful login.
I've got the same problem in Ubuntu 13.04. After login, I get a blank screen for about a second, then it goes back to lightdm. Removing either .ICEauthority or .Xauthority solves the problem. The problem reappears (to me) seemingly random, so not necessarily after each successful login.