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From: voidlinux-github@inbox.vuxu.org
To: ml@inbox.vuxu.org
Subject: Re: [ISSUE] [CLOSED] Whiskey Lake CPU cannot enter package states lower than PC3
Date: Fri, 04 Oct 2019 21:01:03 +0200	[thread overview]
Message-ID: <20191004190103.xJ917jCAGGICMtigqPZha33E6nuTbUXVnWFQ9qabiW0@z> (raw)
In-Reply-To: <gh-mailinglist-notifications-41a7ca26-5023-4802-975b-f1789d68868e-void-packages-15055@inbox.vuxu.org>

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Closed issue by thomas-t-w on void-packages repository

https://github.com/void-linux/void-packages/issues/15055

Description:
<!-- Don't request update of package. We have a script for that. https://alpha.de.repo.voidlinux.org/void-updates/void-updates.txt . However, a quality pull request may help. -->
### System

* xuname:  
  *output of ``xuname`` (part of xtools)*
* package:  
  *affected package(s) including the version*
All Linux Versions
### Expected behavior
Processor would get down to PC8
### Actual behavior
CPU does not get below PC3

### Steps to reproduce the behavior
1. Open powertop.
2. Press tab.
3. Notice that PC values lower than PC3 PC4 PC5 etc which indicate power savings stay at 0.
This works properly in all other distros I tried (Fedora, Arch, Ubuntu). I guess it is a missing kernel module but I am not sure which one. This does work properly with Kaby Lake R in our kernel. I tested with two Whiskey Lake machines, a 430 g6 with an i7 and a Clevo n141ZU with an i7. The Kaby Lake R machine that i tested was an elitebook 840rg4 with an i7. All machines work properly in other distros I tried but Voi gets stuck a PC3 in the two Whiskey Kake machines.

  parent reply	other threads:[~2019-10-04 19:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-04  7:13 [ISSUE] " voidlinux-github
2019-10-04  7:20 ` voidlinux-github
2019-10-04 19:01 ` voidlinux-github [this message]
2019-10-04 19:01 ` voidlinux-github

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