** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1734542
Title:
Get cpu throttling with vanilla kernels, but not with ubuntu kernels.
Status in linux package in Ubuntu:
Invalid
Bug description:
I am seeing a throttling difference about 4.13.13 kernel:
- the Artful kernel 4.13.0-18-generic, based on 4.13.13, does not
manage the cpu frequency (neither all the previous ubuntu kernels)
CPU type : Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz
Min/Max frequency : 800/3200 MHz
acpi -V
No support for device type: power_supply
No support for device type: power_supply
Cooling 0: Processor 0 of 3
Cooling 1: Processor 0 of 3
Cooling 2: LCD 0 of 100
Cooling 3: pch_skylake no state information available
Cooling 4: Processor 0 of 3
Cooling 5: Processor 0 of 3
Cooling 6: intel_powerclamp no state information available
Cooling 7: x86_pkg_temp no state information available
- The same pc also have a bionic partition, where the 4.13.13 vanilla kernel
perfectly manage the cpu dynamic frequency, so it is not related to the uefi
settings in that case.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-18-generic 4.13.0-18.21
ProcVersionSignature: Ubuntu 4.13.0-18.21-generic 4.13.13
Uname: Linux 4.13.0-18-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: oem 1438 F...m pulseaudio
/dev/snd/controlC0: oem 1438 F.... pulseaudio
CurrentDesktop: GNOME
Date: Sun Nov 26 16:15:43 2017
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=06a0e343-7443-402b-a607-1fe53f3c1ac3
IwConfig:
lo no wireless extensions.
enp2s0 no wireless extensions.
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 046d:c062 Logitech, Inc. M-UAS144 [LS1 Laser Mouse]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-18-generic
root=UUID=8a00317c-669e-447c-bc40-1e06010b49ca ro
RelatedPackageVersions:
linux-restricted-modules-4.13.0-18-generic N/A
linux-backports-modules-4.13.0-18-generic N/A
linux-firmware 1.169
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/07/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P7.00
dmi.board.name: B150M-HDV
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP7.00:bd10/07/2016:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnB150M-HDV:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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