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Ubuntu 12.04 LTS Will Try For Intel RC6 By Default

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  • Ubuntu 12.04 LTS Will Try For Intel RC6 By Default

    Phoronix: Ubuntu 12.04 LTS Will Try For Intel RC6 By Default

    It seems that the Ubuntu Kernel Team is indeed taking power management serious for Ubuntu 12.04 LTS. The kernel team announced this weekend that they will be attempting to enable Intel RC6 power-savings by default within the Precise Pangolin kernel...

    http://www.phoronix.com/vr.php?view=MTA1OTI

  • #2
    I put a 3.2.0-17 kernel in the kanotix repo yesterday (with added aufs3 + ndiswrapper). not that many snb users tried it, one needed the i915.i915_enable_rc6=0 override - not sure if a bios update could fix that or not (not everybody likes bios updates). Will be really interesting when more ppl try that - my guess is that it will be reverted.

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    • #3
      Originally posted by Kano View Post
      I put a 3.2.0-17 kernel in the kanotix repo yesterday (with added aufs3 + ndiswrapper). not that many snb users tried it, one needed the i915.i915_enable_rc6=0 override - not sure if a bios update could fix that or not (not everybody likes bios updates). Will be really interesting when more ppl try that - my guess is that it will be reverted.
      But Ubuntu is backporting the changes made in 3.4 about rc6 to 3.2, so your users will not see that much improvement, I guess.

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      • #4
        What logic is that when i use the same code (with just 2 additional modules)? Btw. the rc6 changes you can simply see there:

        http://kernel.ubuntu.com/git?p=ubunt...tu-precise.git

        it does not include the newer patch you can see here:

        http://cgit.freedesktop.org/~eugeni/kernel/log/?h=rc6

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        • #5
          Originally posted by phoronix View Post
          It seems that the Ubuntu Kernel Team is indeed taking power management serious for Ubuntu 12.04 LTS.
          seriously

          10char

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          • #6
            Btw. bios updates can fix issues with intel rc6. Asrock Z68 Pro3-M with 1.00 did not work correct, 1.60 fixed that. but a bit time consuming to to do a "guided" bios update...

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            • #7
              Originally posted by phoronix View Post
              Phoronix: Ubuntu 12.04 LTS Will Try For Intel RC6 By Default
              RC6 is quite good since it allows bringing down the graphics core to consuming 0V when allowed and it's also capable of boosting the system's graphics performance, as Phoronix tests have shown.

              http://www.phoronix.com/vr.php?view=MTA1OTI
              0V? That doesn't make engineering sense. I think you meant 0W.

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              • #8
                RC6 call for testing

                Originally posted by phoronix View Post
                Phoronix: Ubuntu 12.04 LTS Will Try For Intel RC6 By Default

                It seems that the Ubuntu Kernel Team is indeed taking power management serious for Ubuntu 12.04 LTS. The kernel team announced this weekend that they will be attempting to enable Intel RC6 power-savings by default within the Precise Pangolin kernel...

                http://www.phoronix.com/vr.php?view=MTA1OTI
                We encourage users to participate in the RC6 call for testing. This way we can identify any i915 RC6 related issues and try to get these resolved.

                https://wiki.ubuntu.com/Kernel/PowerManagementRC6

                Thanks!

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