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[Bug 1421793] Re: intel_pstate is always reported to be set to 'performance'

 

** Attachment added: "i7z console"
   https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1421793/+attachment/4318922/+files/Screenshot%20from%202015-02-13%2014%3A17%3A23.png

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https://bugs.launchpad.net/bugs/1421793

Title:
  intel_pstate is always reported to be set to 'performance'

Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  as in - 
  cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver 
  intel_pstate

  cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
  performance
  performance
  performance
  performance
  performance
  performance
  performance
  performance

  cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq
  2400000
  2400187
  2400093
  2394468
  2397281
  2400000
  2400093
  2401125

  In 15.04 it is reported at performance at login, then switches to
  powersave after a min. or so

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 [modified: boot/vmlinuz-3.16.0-30-generic]
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Feb 13 14:13:57 2015
  InstallationDate: Installed on 2015-02-08 (5 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150203.2)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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