[CentOS-devel] Broken hyperthreading on Intel Skylake and Kaby Lake processors

Fri Jun 30 02:40:41 UTC 2017
Mike Schmidt <mike.schmidt at intello.com>

On Wed, Jun 28, 2017 at 3:16 PM, Phil Perry <phil at elrepo.org> wrote:

> On 28/06/17 10:06, Laurentiu Pancescu wrote:
>
>> On 27/06/17 23:17, Tru Huynh wrote:
>>
>>> But there is this changelog from the debian team:
>>> http://metadata.ftp-master.debian.org/changelogs/non-free/i/
>>> intel-microcode/unstable_changelog
>>>
>>
>> FWIW, Fedora also updated its microcode to version 20170511 on May 23rd,
>> according to their changelog.  Not sure if it would work to just get the
>> microcode files from their package (until RH releases an updated version).
>> Disabling hyperthreading feels less experimental, at a moderate cost in
>> performance.
>>
>> Laurențiu
>>
>> [1] https://apps.fedoraproject.org/packages/microcode_ctl/
>>
>
> I have an up-to-date Fedora 25 system that is affected, and running the
perl program by Henrique Hohlschuh show that my microcode is new enough, so
I can confirm that the microcode in Fedora 25 is already corrected.


-- 

*Mike SCHMIDT*

*CTO Intello Technologies Inc.*
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