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After I run sudo shutdown -r now to restart Ubuntu, it can't automatically start the gui. But I can still login in the command line. This is the first time I come across this problem. I have used sudo shutdown -r now for many times before. When I try to start gui sudo /etc/init.d/lightdm start. It stop here. enter image description here

And in /etc/default/grub

enter image description here

I don't know whether GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" means it will start gui automatically

And in the command line, it seems that it's tring to start nginx and postgresql automatically and stop here. * starting postgresql 9.1 database server startging nginx: nginx. speech-dispather disabled; edit /etc/default/speech-dispatcher saned disabled; edit /etc/defaultned *checking battery state I don't know if it has something to with my problem.

And my Ubuntu is installed in vmware.

What happen here?

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did you try startx? – Avinash Raj Jan 18 '14 at 3:50
did you recently install gnome-shell? It may install gdm with it and that can be a cause. – souravc Jan 18 '14 at 4:01
@AvinashRaj I have tried it. Bui it can't work and give the following error messages. Caught signal 11(segmentation fault). Server aborting Please consult the The Foundation support at for help Please also check the log file at "ar/log/xorg.0.log"for addtional information. ddxSigGiveUp: Closing log Server terminated with error (1). Closing log file. xinit: giving up xinit: unable to connect to X server: No such file or directory Xinit: Server error I install postgresql yesterday, maybe it have something to do with it. – doyoubi Jan 18 '14 at 4:28
Please post the X log file cited in the error message you put in the comment. X server can't start - this is way you do not have a graphic login. In that file you should find why. – Rmano Jan 18 '14 at 4:48
@Rmano Here are the last few lines /lib/ /usrb/xorg/modules/ /usrb/xorg/modules/ /usr/bin/X (InitExtension+0x95) /usr/bin/X (0xb75f0000+ox255d9) Segmentation fault at address oxc193303c... – doyoubi Jan 18 '14 at 5:23

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