[Bug 1748543] Re: intel-microcode when installed on an i7-6850k based system running Artful breaks overclock

[Robert Dinse]

I will test this weekend.

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On Fri, 28 Sep 2018, Henrique de Moraes Holschuh wrote:

> Date: Fri, 28 Sep 2018 10:45:22 -0000
> From: Henrique de Moraes Holschuh <1748543 at bugs.launchpad.net>
> To: nanook at eskimo.com
> Subject: [Bug 1748543] Re: intel-microcode when installed on an i7-6850k based
>      system running Artful breaks overclock
> 
> @nanook:
>
> What we need explicit testing for is this: does the latest version of
> the intel-microcode package which is present in the latest Ubuntu
> (Cosmic Cuttlefish *or* up-to-date Bionic Beaver/18.04.01 LTS *or* up-
> to-date Xenial LTS 16.04.01) disables overclocking on the i7-6850K ?
>
> To test this, you need to install the intel-microcode package, and
> reboot.  Then, you check if overclocking is still active *while Ubuntu
> is running* (overclocking will be working in UEFI/BIOS, regardless).
>
> Removing the intel-microcode package and rebooting will undo all
> changes, so this is a safe test.
>
> Please report the contents of /proc/cpuinfo before you installed intel-
> microcode, and after you installed intel-microcode *and rebooted to
> activate it*.
>
> Thank you!
>
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1748543
>
> Title:
>  intel-microcode when installed on an i7-6850k based system running
>  Artful breaks overclock
>
> Status in intel-microcode package in Ubuntu:
>  New
>
> Bug description:
>  I have an I7-6850k machine Asus X99-A motherboard, 128GB memory with
>  Artful 17.10 installed.  The official clock speed of this processor is
>  3.6 Ghz, I have it clocked at 4.3 Ghz, however, if I install the
>  intel-microcode package, the machine ignores the BIOS settings and
>  reverts to 3.6 Ghz.  Since this package is necessary from a security
>  perspective I'm stuck with either being insecure or losing an enormous
>  amount of performance.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 17.10
>  Package: intel-microcode (not installed)
>  ProcVersionSignature: Ubuntu 4.13.0-32.35-lowlatency 4.13.13
>  Uname: Linux 4.13.0-32-lowlatency x86_64
>  ApportVersion: 2.20.7-0ubuntu3.7
>  Architecture: amd64
>  CurrentDesktop: MATE
>  Date: Fri Feb  9 13:04:14 2018
>  InstallationDate: Installed on 2017-05-05 (280 days ago)
>  InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412)
>  SourcePackage: intel-microcode
>  UpgradeStatus: Upgraded to artful on 2017-10-20 (112 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1748543/+subscriptions
>

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1748543

Title:
  intel-microcode when installed on an i7-6850k based system running
  Artful breaks overclock

Status in intel-microcode package in Ubuntu:
  New

Bug description:
  I have an I7-6850k machine Asus X99-A motherboard, 128GB memory with
  Artful 17.10 installed.  The official clock speed of this processor is
  3.6 Ghz, I have it clocked at 4.3 Ghz, however, if I install the
  intel-microcode package, the machine ignores the BIOS settings and
  reverts to 3.6 Ghz.  Since this package is necessary from a security
  perspective I'm stuck with either being insecure or losing an enormous
  amount of performance.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: intel-microcode (not installed)
  ProcVersionSignature: Ubuntu 4.13.0-32.35-lowlatency 4.13.13
  Uname: Linux 4.13.0-32-lowlatency x86_64
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Fri Feb  9 13:04:14 2018
  InstallationDate: Installed on 2017-05-05 (280 days ago)
  InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412)
  SourcePackage: intel-microcode
  UpgradeStatus: Upgraded to artful on 2017-10-20 (112 days ago)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1748543/+subscriptions