FS#49260 : [linux] High power use in samsung Ative book 6 on linux 4.5.x

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FS#49260 - [linux] High power use in samsung Ative book 6 on linux 4.5.x

Attached to Project: Arch Linux
Opened by Márcio Sousa Rocha (marciosr) - Sunday, 08 May 2016, 01:51 GMT
Last edited by Tobias Powalowski (tpowa) - Friday, 24 June 2016, 10:51 GMT

Task Type	Bug Report
Category	Kernel
Status	Closed
Assigned To	Tobias Powalowski (tpowa) Thomas Bächler (brain0)
Architecture	All
Severity	Low
Priority	Normal
Reported Version
Due in Version	Undecided
Due Date	Undecided
Percent Complete
Votes	0
Private	No

Details

Description:
Using the linux kernel 4.5.x on arch linux updated is causing high use of power, 78% more than linux-lts version 4.4.9.
Observing the abrupt reduce of battery duration, I checked it using powertop utility.
I do not see a specific process with high use of cpu.
To use X11 to wayland do not change anything.

Additional info:
* package version(s)
* config and/or log files etc.

Using Samsung Ative Book 6 open powertop utility and compare linux 4.5.x with linux-lts.

Steps to reproduce: