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Thread: Ubuntu Linux Kernel - understanding version numbers

  1. #1
    Join Date
    Nov 2009
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    48
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    Xubuntu 12.04 Precise Pangolin

    Ubuntu Linux Kernel - understanding version numbers

    Hi,
    Here are some (probably dumb) questions:

    Does kernel 2.6.32-46 include kernel 2.6.37 (i.e. everything between x.x.32 and x.x.46)?
    What is the a difference between kernel 2.6.32-46 and 2.6.37?

    Just trying to get something to work (see https://01.org/linuxgraphics/downloa...-stack-release)
    Thanks in advance.

  2. #2
    Join Date
    Jan 2007
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    6,542
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    Ubuntu 13.04 Raring Ringtail

    Re: Ubuntu Linux Kernel - understanding version numbers

    It's a newer version of the same code yes. There will be new stuff in the newer version and bugfixes. They may also have removed some code, but that would only happen for really ancient stuff that they're sure nobody uses any more.

  3. #3
    Join Date
    Sep 2012
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    Re: Ubuntu Linux Kernel - understanding version numbers

    Have you looked at the changelog?

    http://kernelnewbies.org/LinuxVersions

  4. #4
    Join Date
    Jul 2007
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    UK
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    16,844
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    Ubuntu Development Release

    Re: Ubuntu Linux Kernel - understanding version numbers

    Quote Originally Posted by D0natell0 View Post
    Hi,
    Here are some (probably dumb) questions:

    Does kernel 2.6.32-46 include kernel 2.6.37 (i.e. everything between x.x.32 and x.x.46)?
    What is the a difference between kernel 2.6.32-46 and 2.6.37?

    Just trying to get something to work (see https://01.org/linuxgraphics/downloa...-stack-release)
    Thanks in advance.
    http://en.wikipedia.org/wiki/Linux_k...sion_numbering
    This explain it.

  5. #5
    Join Date
    Jun 2010
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    London, England
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    Distro
    Ubuntu Development Release

    Re: Ubuntu Linux Kernel - understanding version numbers

    The numbers that you should focus on are the first three sets of numbers. They are the revision numbers set by the Linux organisation. The number after the dash ( - ) is a revision number provided by the Ubuntu developers to track the modifications that may make.

    So, kernel 2.6.32 is older than kernel 2.6.37. These a revised kernels from Linux organisation. To give you an example. The other day I installed Raring Ringtail. It came with kernel 3.8.0-17.27 and has been ungraded at least twice over the last few days. So, I also have 3.8.0-18.28 and 3.8.0-18.34

    They are all Linux 3.8.0 kernels but -17.27; -18.28 & -18.34 reference modifications made by Ubuntu developers to fix bugs, such as Nvidia drivers breaking Compiz. Which is what happened a few days ago. The developers cannot mess with the proprietary drivers but they can access the Linux kernel code and they put those packaging markers their so that if their changes produce their own bugs they can identify which package causes the problem.

    Anyway, the answer to your first question is, NO.

    The Linux developers have not always been systematic in their use of revision numbers. But this old post might explain things a bit better.

    http://www.linfo.org/kernel_version_numbering.html

    Regards
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


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