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Thread: 12.04 no start

  1. #1
    Join Date
    Dec 2012
    Beans
    9

    Unhappy 12.04 no start

    I have used Ubuntu 12.04 for several months. Suddenly, today it would not start, but hangs up on a blank screen with the horizontal line cursor blinking in the upper left hand corner of the screen. I think it might have something to do with the mounting point of the home drive being wrong. I restarted U using a 12.04 live CD and it started OK, but not sure what to do to debug the problem. I considered reinstalling the OS from the live CD, but an error message: UBI - prepare failed with an exit code 126. Searching on the forum did not explain much about what this means. As a newbie, I Need HELP badly. My son has advised me to NOT reinstall the OS.

  2. #2
    Join Date
    Sep 2012
    Location
    Gnome12o4/14o4
    Beans
    Hidden!

    Re: 12.04 no start

    I have not encountered this error, but open your file manager and go to your "FileSystem" on the left, then navigate to: /var/log/syslog

    Look for related errors, may be better to start at the bottom of the list.

    And I didn't get many hits either.

    http://www.googlubuntu.com/results/?...ch&cof=FORID:9

  3. #3
    Join Date
    Jul 2012
    Beans
    14

    Re: 12.04 no start

    BudTuba's son here. I made some time to look at his computer today; I had been here just seven days ago, when we reinstalled Windows XP on another partition. This machine is a dual-boot scenario, and I reinstalled grub before I left last week. I'd confirmed we could boot either Ubuntu or XP before leaving, so naturally I was surprised/suspicious to hear Ubuntu was not booting immediately after I'd left. "There's something he's omitted," I thought.

    But today, after I've looked at it myself, I can report that after choosing the Ubuntu option from the grub menu, the screen immediately changes to a blank black text screen with a flashing underline, as BudTuba described above. And when I read the syslog, the last modification date is from last week Sunday at 22:40, when we shut down. So system logging hasn't initialized since then.

    Tonight I discovered the boot-repair tool, so I gave it a shot. I ran it on the defaults, it produced a log file http://paste.ubuntu.com/6945794/, but the problem remains.

    BTW, I have not seen "UBI - prepare failed with an exit code 126" anyplace today. Considering the lack of search results, I believe we can disregard it.

  4. #4
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,875
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: 12.04 no start

    I think it is better to continue the discussion on your own thread that you have already started : http://ubuntuforums.org/showthread.php?t=2205957

    Not a good idea to discuss the same problem at multiple places. It dilutes the efforts to help, and may confuse both the problem and the helpers.
    Varun
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