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Thread: How to restore or reinstall Ubuntu 14.04 stock kernels

  1. #1
    Join Date
    May 2012
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    9

    Question How to restore or reinstall Ubuntu 14.04 stock kernels

    Hello, I uninstalled all stock kernels to save space but I had installed mainline 3.15 kernel before that. Since then I'm getting 30+ boot delay and I want to restore if possible the /boot section like if i had just installed Ubuntu, if not I would like to know all the kernel packages that comes with ubuntu 14.04 and how can i install them alall via command line.

    The idea is to troubleshoot which package is the one that causes the long boot delay after uninstalled so I keep it.

    This is happening in my Asus Chromebox with Ubuntu 14.04 x64. Thanks!

    I'll post the boot logs to see if someone figure it out the long boot delay.

    boot.log
    dmesg

  2. #2
    Join Date
    Jul 2007
    Location
    UK
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    16,824
    Distro
    Ubuntu Development Release

    Re: How to restore or reinstall Ubuntu 14.04 stock kernels

    You can install linux-generic which will pull in the latest kernel and dependencies.

    There is also the package bootchart to debug the startup delay.
    Last edited by philinux; June 15th, 2014 at 07:24 PM.

  3. #3
    Join Date
    May 2012
    Beans
    9

    Re: How to restore or reinstall Ubuntu 14.04 stock kernels

    Thanks. Installed Linux generic but still same thing. I rather restore /boot partition to start fresh and troubleshoot by myself. I don't want to be in the waiting game again until a dev check this, I already have several days with this boot delay issue.

  4. #4
    Join Date
    Jul 2007
    Location
    UK
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    16,824
    Distro
    Ubuntu Development Release

    Re: How to restore or reinstall Ubuntu 14.04 stock kernels

    Devs don't normally visit the forums.

    I'd use bootchart.

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