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Ubuntu 18.04.3 LTS Released - Switches To Using 19.04's Linux 5.0 HWE

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  • #11
    Originally posted by calc View Post
    ...maintain their own kernels...
    Sounds like inefficient proprietary behavior to me; They are all independently back porting the same ~4000 patches over 5-10 years to different versions.
    When instead they could just pull upstream to their out of tree patches (zfs/vdo/etc).



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    • #12
      Originally posted by elatllat View Post
      Sounds like inefficient proprietary behavior to me; They are all independently back porting the same ~4000 patches over 5-10 years to different versions.
      When instead they could just pull upstream to their out of tree patches (zfs/vdo/etc).
      Try to update just the kernel to current release on a LTS 10 year old system and see what happens.

      Hint: It won't work.

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      • #13
        Originally posted by calc View Post

        Try to update just the kernel to current release on a LTS 10 year old system and see what happens.

        Hint: It won't work.
        Maybe I should have been more explicit;
        kernel.org LTS time = 5 years
        ubuntu LTS time = 5 years
        they should collaborate / synchronize to make it the same 5 years, so no version change would be necessary.
        The redhat LTS time = 10 years, but it could still share the first 5.
        and because other distributions like LineageOS, dd-wrt, etc also have old kernels like redhat they should use a common 10 year LTS on kernel.org.



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        • #14
          Originally posted by elatllat View Post
          Maybe I should have been more explicit;
          kernel.org LTS time = 5 years
          ubuntu LTS time = 5 years
          they should collaborate / synchronize to make it the same 5 years, so no version change would be necessary.
          The redhat LTS time = 10 years, but it could still share the first 5.
          and because other distributions like LineageOS, dd-wrt, etc also have old kernels like redhat they should use a common 10 year LTS on kernel.org.
          Ubuntu does 10 years like RHEL, but its free for the first 5 years and paid for the last 5 years. But yea I'm not sure why they both don't try to use a LTS kernel.

          LineageOS has to use whatever Android uses, due to binary blobs, so that would be on Google if they aren't using LTS kernels.

          dd-wrt, and other router os, probably have similar issues as Android due to blobs for the hardware in question. And they often run out of tree code due to being on non-widely used arches (mips, etc)
          Last edited by calc; 08-08-2019, 03:00 PM.

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          • #15
            It's worth noting Red Hat still support a 2.6.18 kernel if you pay them enough, which is 13 years old.
            Last edited by Britoid; 08-08-2019, 04:46 PM.

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            • #16
              Get all kinds of issues with the Ubuntu kernels over the Debian LTS ones.

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              • #17
                Originally posted by calc View Post

                Ubuntu does 10 years like RHEL, but its free for the first 5 years and paid for the last 5 years. But yea I'm not sure why they both don't try to use a LTS kernel.
                Ubuntu use the latest kernel, closest to their "kernel freeze" development stage for the upcoming Ubuntu release.

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                • #18
                  Does anyone know if this will break the Rx 5700/XT support?

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                  • #19
                    Originally posted by skeevy420 View Post
                    They support 4.4 with 16.04. It'll be supported for 4 years longer than the current 4.19 LTS release.
                    Looking at the release and EOL dates of the other LTS kernels, 4.19 should be called a semi-LTS kernel.
                    He, he, semi like if with semi-info 4.19 should be called Super-LTS as it seems will be supported for a lot lot more 4.4 and 4.19 kernels are currently marked as CIP kernels or SLTS kernels (Super LTS) in translation that means 10+ maybe up to 13 years of support

                    https://wiki.linuxfoundation.org/civ...platform/start

                    Drill is like "not every LTS is an SLTS", every about 4 years they marks one longterm (LTS) kernel as super longterm (SLTS) and continue maintaince. Plan is that they ending up maintaining max 4 SLTSes at any given point of that 10-13 years period of support, etc...
                    Last edited by dungeon; 08-09-2019, 01:47 AM.

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                    • #20
                      Originally posted by elatllat View Post
                      Thanks, odd that 0 of the LTS from kernel.org are supported by Ubuntu.
                      When the time comes for Ubuntu to release a new LTS, they choose the newest kernel that's stable and compatible enough for the LTS release. They do it because there's better hardware support in the newer kernels, compared to the LTS kernels. And by doing regular updates, the users automatically get newer kernels over time, so it doesn't matter the kernels themselves are LTS or not, because Ubuntu LTS will always have a supported kernel.

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