Gnome login problem


I’m having a problem signing in as main user. I’m using Gnome 3.6 and I can log in with another user. But if I want to log in with my main user account some sort of message “Oh no! Something went wrong!” comes up. The problem first occurred after installing fglrx following SDB:AMD fglrx legacy - openSUSE
What I tried so far:

  1. removing .gnome2 + .gconf + .gconfd in my home dir
  2. removing .local/share/gnome-*
    Nothing solved the problem. Any ideas what I could do?

Edit: Logging in with IceWM works just fine