Bug 1396824 "X server crash from autologin session returns to greeter, not autologin session" is related.
If the VNC server should survive a login or a logout it needs to run as root. Solutions are shown on http://askubuntu.com/questions/229989/how-to-setup-x11vnc-to-access-with-graphical-login-screen/528469#528469 and on http://wiki.ubuntuusers.de/VNC#x11vnc .
Bug 1396824 "X server crash from autologin session returns to greeter, not autologin session" is related.
If the VNC server should survive a login or a logout it needs to run as root. Solutions are shown on http:// askubuntu. com/questions/ 229989/ how-to- setup-x11vnc- to-access- with-graphical- login-screen/ 528469# 528469 and on http:// wiki.ubuntuuser s.de/VNC# x11vnc .