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Thread: HWE support LTS

  1. #1
    Join Date
    Dec 2013

    HWE support LTS

    Server Ubuntu 14.04.5 LTS (GNU/Linux 3.19.0-25-generic x86_64) (full apt update and upgrade except distro) showed on reboot:
    WARNING: Security updates for your current Hardware Enablement Stack
    ended on 2016-08-04:
    but the wiki page shows support until April 2019 with the Xenial 4.4 kernel, so as per wiki:
    sudo apt-get install --install-recommends linux-generic-lts-xenial
    Done... but inxi -Fx still showing after reboot:
    System: Host: server4 Kernel: 3.19.0-25-generic x86_64 (64 bit, gcc: 4.8.2) Console: tty 0 Distro: Ubuntu 14.04 trusty
    Any thoughts or suggestions, please
    Note: all my other servers are 16.04, but I just need this one for legacy MySQL 5.5 reasons.
    Thanks -- paul

  2. #2
    Join Date
    Aug 2016
    Xubuntu Development Release

    Re: HWE support LTS

    * You are affected if it shows a kernel with the following version: 3.16 or 3.19 or 4.2
    * You are not affected if it shows a kernel with the following version: 3.13 or 4.4

    This method does not check for a HWE graphics stack. However, you cannot get a HWE graphics stack without a corresponding HWE kernel unless you've done things manually. Note that such a combination (HWE graphics with non-HWE kernel) is not supported.

    hwe-support-status --show-all-unsupported
    Upgrading the kernel shouldn't change much for you unless you are using the AMD and fglrx drivers

    So there will be no more updates to the 3.19 kernel as 15.04 is EOL (No longer supported)

    So to upgrade the kernel I usually run this:
    sudo apt-get install linux-image-generic-lts-xenial linux-generic-lts-xenial
    sudo apt-get install linux-signed-generic-lts-xenial linux-signed-image-generic-lts-xenial
    Last edited by 1fallen; June 1st, 2017 at 04:13 PM.
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  3. #3
    Join Date
    Dec 2013

    Re: HWE support LTS

    Thank you for replying. I have tried your suggestions, which are variants of what I had already tried, but this server (14.04.5 LTS) still uses "uname -r 3.19.0-25-generic". Maybe I've traced this to grub.

    The "upgrade" to a Xenial-based 4.4 kernel does install it to /boot but gives the following:
    Replacing config file /run/grub/menu.lst with new version
    But the write to grub is failing (ignored, whatever):
    cat: /run/grub/menu.lst: No such file or directory
    I'm guessing this is a bug, there is no mention of grub in syslog or boot.log -- on a desktop you might see grub, on a rack-mount server through ssh it's invisible.
    Again thanks -- paul


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