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I understand from reading Kernel/OEMKernel that the linux-oem kernel package is supposed to be a more up-to-date kernel package, that includes additional hardware compatibility tweaks for supported devices on top of the standard kernel (linux-generic?). I'm currently running Ubuntu 19.04 and I note that in addition, the package repositories also contain a linux-oem-osp1 metapackage.

Also, the version number of the kernel associated with the linux-oem package appears to suggest it is older than the kernel for linux-generic, which seems contrary to the description in the linked documentation above.

For Ubuntu Desktop 19.04, as of 2019-10-19, the versions appear as follows:

  • linux-generic - 5.0.0.32.33
  • linux-oem - 4.15.0.1056.60
  • linux-oem-osp1 - 5.0.0.1024.27

So, my questions are:

  1. What's the difference between linux-oem and linux-oem-osp1?
  2. How are both of these packages versioned (in particular, why does linux-oem appear to be based on an older kernel than linux-generic)?
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  • Interesting, i flipped may pages still no tail to hold. no description on package page neither in source code, also a question there about meaning of osp1 just expired.
    – user.dz
    Oct 24 '20 at 15:31
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Obviously the "osp1"-package has a later build number, that let's one assume that "sp1" may be a label for "service pack one" or something like that.

However, since the is no official info in the wiki about any regulations how such service releases are made, I would recommend to ask the kernel devs directly via the mailing-list here.

HTH

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  • 2
    Good suggestion. Since the question is a bit old (although it looks like the OP may be active), perhaps, if you feel like it, you could ask on the mailing list yourself and update your answer if you get a response.
    – Zanna
    Nov 18 '20 at 13:27

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