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[Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>]

@Carl, I burrowed a Precision 5520 and seems to be normal. Not sure what
happened on your system...

--- TLP 0.8 --------------------------------------------

+++ Processor
CPU Model      = Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz

/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu2/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu3/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu4/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu4/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu5/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu5/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu5/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu5/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu6/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu6/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu6/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu6/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/cpu7/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu7/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu7/cpufreq/scaling_min_freq  =   800000 [kHz]
/sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq  =  3900000 [kHz]

/sys/devices/system/cpu/intel_pstate/min_perf_pct      = 20
/sys/devices/system/cpu/intel_pstate/max_perf_pct      = 100
/sys/devices/system/cpu/intel_pstate/no_turbo          = 0

x86_energy_perf_policy.cpu0                            = powersave
x86_energy_perf_policy.cpu1                            = powersave
x86_energy_perf_policy.cpu2                            = powersave
x86_energy_perf_policy.cpu3                            = powersave
x86_energy_perf_policy.cpu4                            = powersave
x86_energy_perf_policy.cpu5                            = powersave
x86_energy_perf_policy.cpu6                            = powersave
x86_energy_perf_policy.cpu7                            = powersave

/proc/sys/kernel/nmi_watchdog                          = 0

+++ Undervolting
PHC kernel not available.


** Changed in: linux (Ubuntu)
       Status: Incomplete => Fix Released

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You received this bug notification because you are a member of नेपाली
भाषा समायोजकहरुको समूह, which is subscribed to Xenial.
Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1672439

Title:
  No C-State Deeper than C3 utilized by Kaby Lake 7820HQ in Precision
  5520

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  My processor does not appear to be utilizing and idling states deeper
  than C3.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-66-generic 4.4.0-66.87
  ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
  Uname: Linux 4.4.0-66-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  carl       2446 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Mar 13 08:57:06 2017
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  HibernationDevice: RESUME=UUID=65474558-ead3-4d66-85e5-b55f81978b88
  InstallationDate: Installed on 2017-03-09 (3 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
  IwConfig:
   lo        no wireless extensions.
   
   wlp2s0    no wireless extensions.
  MachineType: Dell Inc. Precision 5520
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-66-generic.efi.signed root=UUID=d19efcb8-515b-494c-a236-ee0da23f2393 ro acpi_rev_override locale=C quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-66-generic N/A
   linux-backports-modules-4.4.0-66-generic  N/A
   linux-firmware                            1.157.8
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/18/2017
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.1.3
  dmi.board.name: 0X41RR
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.1.3:bd01/18/2017:svnDellInc.:pnPrecision5520:pvr:rvnDellInc.:rn0X41RR:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.name: Precision 5520
  dmi.sys.vendor: Dell Inc.

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