Public bug reported:
When I boot with this installed frequency scaling is no longer behaving
as expected.
It seems that with this installed, the OS loses control of the scaling.
It seems that scaling is performed, though. And very much to the purpose
of power saving.
Performance is terrible because of this. And I do mean terrible.
It makes it so that there are two governors available, powersave and
performance.
And I can seemingly switch between them, but setting performance (yes,
on all cores) doesn't seem to change to scaling behavior. The frequency
doesn't pass 800MHz.
I would like to use Intel's microcode updates, but I have to have my CPU
running at the speed for which it costs so damn much.
Any suggestions?
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: intel-microcode 3.20150121.1
ProcVersionSignature: Ubuntu 4.1.0-2.2-generic 4.1.3
Uname: Linux 4.1.0-2-generic x86_64
ApportVersion: 2.18-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Jul 31 17:56:39 2015
InstallationDate: Installed on 2010-10-12 (1753 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
SourcePackage: intel-microcode
UpgradeStatus: Upgraded to wily on 2014-11-11 (262 days ago)
** Affects: intel-microcode (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1480349
Title:
Breaks frequency scaling in Xeon® E5-2687W v3
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