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Thread: How do I downgrade kernel on 12.10?

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  1. #1
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    How do I downgrade kernel on 12.10?

    I did a fresh installation of Ubuntun 12.10 (64 bit, US English) on my computer after downloading the ISO from Ubuntu.com. It comes with kernel version 3.5.0.21-generic

    In order for one of my installed programs to work, I would like to downgrade the current kernel version to 3.2.0.24-generic

    I surfed to packages.ubuntu.com/precise/kernel and found the following: linux-image-3.2.0.24-generic

    Questions:

    1. The current version of my installed kernel is 32 bit or 64 bit?

    2. linux-image-3.2.0.24-generic is a 32 bit or 64 bit kernel? (Please bear in mind that I installed the 64 bit edition of Ubuntu 12.10)

    3. If linux-image-3.2.0.24-generic is a 32 bit kernel, where can I find the 64 bit one?

    4. Is it advisable to downgrade my current kernel version to an older one?

    5. Could someone provide detailed instructions as to what specific commands I must issue at the terminal window?

    Thanks in advance for your help.

  2. #2
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    Re: How do I downgrade kernel on 12.10?

    If you want that particular kernel, do a clean installation of Ubuntu 12.04 LTS. Because Ubuntu 12.10 is not designed for that kernel.

    How-to: https://sites.google.com/site/easyli...reinstallation
    Last edited by Pjotr123; December 27th, 2012 at 10:59 PM.

  3. #3
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by Pjotr123 View Post
    If you want that particular kernel, do a clean installation of Ubuntu 12.04 LTS. Because Ubuntu 12.10 is not designed for that kernel.
    Thanks, my friend, for your advice.

    But on the official website, the version available for download is 12.04.1 LTS with a kernel version higher than 3.2.0.24.

    I don't mind installing 12.04.1 LTS but it comes with a higher kernel version number.

    What shall I do?

  4. #4
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    Re: How do I downgrade kernel on 12.10?

    The point release of 12.04 LTS (12.04.1) has indeed a higher minor kernel number, but it's only minor. Therefore it'll probably do exactly the same for you as the lower minor number that you seek.

    Minor kernel updates typically only contain bug fixes, not feature changes.
    Last edited by Pjotr123; December 27th, 2012 at 11:48 PM.

  5. #5
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by Pjotr123 View Post
    The point release of 12.04 LTS (12.04.1) has indeed a higher minor kernel number, but it's only minor. Therefore it'll probably do exactly the same for you as the lower minor number that you seek.

    Minor kernel updates typically only contain bug fixes, not feature changes.
    Hi friend,

    Ubuntu 12.04.1 has a kernel version of 3.2.0-35.40 while the version that I need is 3.2.0.24.38

    Is it considered a minor kernel update?

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    Re: How do I downgrade kernel on 12.10?

    just a minor update/patch
    before you reinstall give 3.7 a try it is in the xorg edgers ppa
    https://launchpad.net/~xorg-edgers/+archive/ppa
    Code:
    sudo apt-add-repository ppa:xorg-edgers/ppa;sudo pat-get update;sudo apt-get install linux
    if you don't want the beta drivers there, just disable the source is your software sources
    Code:
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    Laptop: ASUS A54C-NB91 (Storage: WD3200BEKT + MKNSSDCR60GB-DX); Desktop: Custom Build - Images included; rPi Server
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  7. #7
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by regency View Post
    Hi friend,

    Ubuntu 12.04.1 has a kernel version of 3.2.0-35.40 while the version that I need is 3.2.0.24.38

    Is it considered a minor kernel update?
    Yes.

  8. #8
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by regency View Post
    In order for one of my installed programs to work, I would like to downgrade the current kernel version to 3.2.0.24-generic
    Just as a matter of interest, what program is it?
    Michael

  9. #9
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by audiomick View Post
    Just as a matter of interest, what program is it?
    Sorry for the late reply.

    The program is called Symantec Antivirus For Linux (SAVFL)

  10. #10
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    Re: How do I downgrade kernel on 12.10?

    Quote Originally Posted by regency View Post
    The program is called Symantec Antivirus For Linux (SAVFL)
    You are going to a lot of trouble to install a program that is not needed in Linux and won't really do anything for you. It is a common misconception for people coming from Windows that they need to install antivirus. Please read this.

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