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Thread: Random User Logged Off :mad:

  1. #1
    Join Date
    Dec 2010
    Location
    UK
    Beans
    6
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Exclamation Random User Logged Off :mad:

    Hi all,

    Any one else getting an issue where they are suddenly and randomly but violently logged off with no warning, loosing all and any open applications or work ?

    You then get presented with the login screen. You can then log back in ....until the next random log out event.

    Any ideas?

    Thanks,

    PC Details:
    Distributor ID: Ubuntu
    Description: Ubuntu 12.04 LTS
    Release: 12.04
    Codename: precise

    Linux 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14 16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
    Architecture: i686
    CPU op-mode(s): 32-bit, 64-bit
    Byte Order: Little Endian
    CPU(s): 4
    On-line CPU(s) list: 0-3
    Thread(s) per core: 1
    Core(s) per socket: 4
    Socket(s): 1
    Vendor ID: GenuineIntel
    CPU family: 6
    Model: 30
    Stepping: 5
    CPU MHz: 2792.856
    BogoMIPS: 5585.69
    Virtualisation: VT-x
    L1d cache: 32K
    L1i cache: 32K
    L2 cache: 256K
    L3 cache: 8192K

  2. #2
    Join Date
    Nov 2007
    Location
    Wisconsin
    Beans
    1,139

    Re: Random User Logged Off :mad:

    Quote Originally Posted by devilcode View Post
    they are suddenly and randomly but violently logged off with no warning, loosing all and any open applications or work ?

    You then get presented with the login screen. You can then log back in ....until the next random log out event.
    It's not random. And it's not common. A process called "the X server" controls the video signal. When the X server crashes (or another process terminates it), it automatically restarts. Your session is lost at the crash. The end of that restart is reloading the login screen. I've gone years without an X crash.

    There are two ways to solve the problem: 1) Get a backtrace and file a bug report, or 2) Try to isolate which process of yours is causing the crash without getting a backtrace.

    Getting a backtrace is the best way to really solve the problem permanently. The backtrace tells a developer exactly what happened and why. But it's also the most technically challenging. It's explained in https://wiki.ubuntu.com/X/Backtracing .

    If the process explained in that link is too scary, then try to narrow down the list of possibilities. What applications are you running when the crash occurs? Does it happen more often with one application? Are you running the correct drivers for your video card? Does your system run hot? When did the problem begin? Is there anything you can do that reliably causes a crash?

    Check your /var/log/syslog and /var/log/dmesg right after a crash for clues, too.

  3. #3
    Join Date
    May 2012
    Location
    UK
    Beans
    613

    Re: Random User Logged Off :mad:

    i get the same thing, only since 12.04. it doesnt happen often, so somehow i have not lost anything important when the time occurs, yet.

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