After switching to systemd, I'm able to start gdm3 during boot. So it could be the way sysvinit is trying to start X server that is causing problems. -- പ്രവീണ് അരിമ്പ്രത്തൊടിയില് You have to keep reminding your government that you don't get your rights from them; you give them permission to rule, only so long as they follow the rules: laws and constitution.