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Thread: Mythbuntu Boot failures unless using older kernel

  1. #1
    Join Date
    Feb 2015
    Beans
    3

    Mythbuntu Boot failures unless using older kernel

    Hello:

    Long time mythbuntu user, first time poster.

    I have been running Mythbuntu 14.04 with no problems until a few days ago when I started experiencing failures on reboots. Most boots fail after the GRUB menu, with the message that it cannot find the root drive. If I use the GRUB 2 menu on boot to choose an older kernel (3.2.0-70-generic) then it boots fine every time. But if I choose the default current kernel (3.13.0-44-generic), the boot fails "most" of the time (but, strangely, it will occasionally boot just fine.) Logs are no help. I re-generated the grub.cfg file but the problem recurred.

    Does anyone have any ideas of where to start looking for the problem? Thank you for your time!

    /Greg

  2. #2
    Join Date
    Jul 2014
    Beans
    377
    Distro
    Ubuntu Mate 14.04 Trusty Tahr

    Re: Mythbuntu Boot failures unless using older kernel

    If the 3.2 kernel works for you, why not just use it? Its supported till 2017.

    Could of been a hiccup when installing the 3.13 kernel.
    3.13.0-45 is the latest kernel out. Give it a try.
    Code:
    sudo apt-get update && sudo apt-get dist-upgrade

  3. #3
    Join Date
    Feb 2015
    Beans
    3

    Re: Mythbuntu Boot failures unless using older kernel

    Thanks for the quick reply, v3.xx

    Good suggestion on trying the new kernel, so I updated to the 3.13.0-45 kernel as you suggested, there were no apparent errors on the install but it still has the same symptoms (sometimes it will boot, sometimes it won't.)

    For some reason if I boot into the 3.2 kernel my graphics card is no longer recognized. Before I dig into solving that problem I was hoping to get the current kernel working, but so far no luck. Thanks for the help!

    /Greg

  4. #4
    Join Date
    Jul 2014
    Beans
    377
    Distro
    Ubuntu Mate 14.04 Trusty Tahr

    Re: Mythbuntu Boot failures unless using older kernel

    I wonder if nomodeset would do any good.

    http://ubuntuforums.org/showthread.php?t=1613132

  5. #5
    Join Date
    Feb 2015
    Beans
    3

    Re: Mythbuntu Boot failures unless using older kernel

    Turns out the problem was not with the kernel directly, but was being caused by a bad disk drive (not my boot drive) on the SATA bus. For whatever mysterious reason, that drive was causing the boot to fail; when I took that mechanism off the SATA, boots started working fine again.

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