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Thread: Kernel panic in Ubuntu 12.10

  1. #1
    Join Date
    Oct 2006
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    111

    Kernel panic in Ubuntu 12.10

    Hello

    I just installed 12.10 on my PC, no problems with the installation and it seemed fine. For a while... At intervals, I get a "kernel panic" and the system reboots after 30 seconds, after which is is fine until next time. There doesn't seem to be any pattern to this, and I can't identify anything that triggers it.

    I did a google search and found some suggestions that it might be a memory problem, so I ran the Memtest86 utility that is accessed from the grub menu. Once it got to test #7, it started giving lots of red error messages. So I thought that's it, I have some bad memory. However, I ran other versions of Memtest86 (from various Ubuntu alternate install discs, openSuse liveCDs, even the standalone version, no memory errors detected.

    I've attached a photo of the error message (not very good, taken with phone, but legible I think).

    Any thoughts?

    TIA

    Andrew
    Attached Images Attached Images
    Last edited by AndrewS; January 6th, 2013 at 08:48 PM. Reason: Added image of error message

  2. #2
    Join Date
    Jul 2010
    Location
    ozarks, Arkansas, USA
    Beans
    6,134
    Distro
    Lubuntu 14.04 Trusty Tahr

    Re: Kernel panic in Ubuntu 12.10

    AndrewS; Hi !

    I do not claim to be the sharpest tack in the box; But, if this were me I would start by examining my log files (get familiar with how they look):
    Then I would blow the dust out of my box(do not forget to hold your fan blades from spinning):
    then I would reseat my ram chips.

    See what haps and look at the log files once more for any difference.


    my 2 pounds worth <== BDQ

  3. #3
    Join Date
    Oct 2006
    Beans
    111

    Re: Kernel panic in Ubuntu 12.10

    Thanks, I'll give that a try, although I've never delved into log files before...

    Andrew

  4. #4
    Join Date
    Jul 2010
    Location
    ozarks, Arkansas, USA
    Beans
    6,134
    Distro
    Lubuntu 14.04 Trusty Tahr

    Re: Kernel panic in Ubuntu 12.10

    AndrewS;

    Reading log files, pretty straight forward. The logs just relate what is going on. If there is a serious problem you will recognize it. Google is your friend; DuckDuckGo is pretty likeable too.

    Most of the logs are located in /var/log/. The utility "log file viewer" is the easiest method to view the logs or the tool "less":
    Code:
    less /var/log/syslog
    see the manual page for full disclosure:
    Code:
    man less
    just try'n to help <== BDQ

  5. #5
    Join Date
    Feb 2007
    Location
    West Hills CA
    Beans
    7,932
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Kernel panic in Ubuntu 12.10

    Keep a terminal open with:

    Code:
     tail -f /var/log/syslog
    That will keep a running log that may show what is going on just before the panic.

    Keep that window visible while you run other tasks so you can catch the crash.

    Clean out the machine and reseat the cables and cards. Also check the voltages in your power supply, either with a voltmeter or through the BIOS.
    -------------------------------------
    Oooh Shiny: PopularPages

    Unumquodque potest reparantur. Patientia sit virtus.

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