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Here are the symptoms:

On reboot of my Fedora 14 system, I get to the Fedora loading screen progress bar. The system seems to progress normally, then the nvidia logo flashes, a wait cursor shows, then it kicks back to Fedora loading bar. This flashes across the screen about 4 or 5 more times before kicking me back to the completed fedora progress bar. At this point it does NOT start the GUI.

What I can do:

I can ctrl+alt+F2 (or F3 to F6) to get to a login shell. In the login shell I can run the startx command and I get to my GUI, but with limited functionality (I.e. my network devices are not initialized)

What I think I broke:

I had mistakenly deleted the /tmp/.X0-lock file on experiencing some other odd behavior with my X server (odd behavior = starting a gnome gui program and receiving an error I cant recall now about the X server not being valid and the program never starting)

Question

This is now occurring on every reboot. How can I troubleshoot the X initialization and fix it so that the Fedora GUI starts auto-magically as it did before?

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3  
It seems unlikely that deleting something in /tmp has caused your problem, as these are temporary files, and deleted on reboot anyway. Did you change anything else? If you can run startx directly, as least X is not broken. –  Faheem Mitha Dec 17 '11 at 22:07
3  
Deleting a file in /tmp shouldn't cause any harm. Some systems even delete all the contents of /tmp at boot time, or store /tmp in volatile memory. It is important not to have files with bad permissions though; what does ls -ld /tmp /tmp/.X* /tmp/.X*/* show? More generally, there is probably a clue in the X log file. This file is at /var/log/Xorg.0.log on Debian, might be in a different place on Fedora. Please post the contents of that file if you find it. –  Gilles Dec 17 '11 at 22:18

1 Answer 1

Thank your for the comments. The logs were found, but I decided to take a more drastic option and reinstall X. From one of the login shell's I did a yum reinstall xorg-x11-server-Xorg.x86_64 and after a reboot, that seemed to fix the issue. I know that wasnt exactly fixing the problem, but it worked for me.

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