[Bug 1748543] Re: intel-microcode when installed on an i7-6850k based system running Artful breaks overclock
Henrique de Moraes Holschuh
1748543 at bugs.launchpad.net
Wed Sep 26 11:39:19 UTC 2018
@pragyan:
Ubuntu is shipping the same microcode updates as Debian, so I can answer
that.
The current version of intel-microcode in Debian and Ubuntu ships what
is inside Intel's 20180807a "Linux microcode" package as far as the
Intel x86-64 processors are concerned.
For the i7-6850K (sig: 0x406f1), that would be revision 0xb00002e.
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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)
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