Comment 9 for bug 1748543

      Last time I queried Asus they told me their Microcode was not vulnerable
but the test script says it is.

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On Tue, 25 Sep 2018, Henrique de Moraes Holschuh wrote:

> Date: Tue, 25 Sep 2018 17:31:19 -0000
> From: Henrique de Moraes Holschuh <email address hidden>
> To: <email address hidden>
> Subject: Re: [Bug 1748543] Re: intel-microcode when installed on an i7-6850k
> based system running Artful breaks overclock
>
> On Mon, 24 Sep 2018, Robert Dinse wrote:
>> Not sure why that would be as expected, Intel specifically sold the
>> 'K' part to have unlocked multiplier. Any firmware upgrades ought to retain
>> the features people paid for.
>
> Well, it was reported to happen on Linux, and it is the sort of issue
> that is not related to the operating system.
>
> So, *as expected*, it was also going to trigger on Microsoft Windows.
>
> All it took was for the microcode update to start being distributed more
> widely [by Microsoft] to Windows users for it to show up on several news
> outlets.
>
> I am not personally sure Intel is really to blame here, it depends
> entirely on the motherboard vendor not doing *anything* unsupported [by
> Intel] to further enhance the overclocking capabilities of the
> motherboard.
>
> So, you'd need to ask your motherboard vendor *and* Intel about it, to
> know the full story...
>
> --
> Henrique Holschuh
>
> --
> 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
>