Difference between revisions of "Lenovo ThinkPad X220"

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(Heat issues)
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As well you could suffer of [https://bbs.archlinux.org/viewtopic.php?id=150743 Kernel Power Regressions].
 
As well you could suffer of [https://bbs.archlinux.org/viewtopic.php?id=150743 Kernel Power Regressions].
 +
 +
=== My laptop gets stuck in a reboot loop if I resume from suspend! Help! ===
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 +
This can be caused by the EFI storage getting too full. Run the following commands as root to free up some space -
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 +
{{# First clear the pstore
 +
mkdir -p /dev/pstore
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mount -t pstore pstore /dev/pstore
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ls /dev/pstore # <- Nothing important should be here, but check first anyway
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rm /dev/pstore/*
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# Next some EFI variables. These are used/created by pstore, but I've had them even though I deleted the pstore data using the above commands. YMMV.
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rm /sys/firmware/efi/efivars/dump-type0-*
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}}
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This information was taken from [http://forums.lenovo.com/t5/X-Series-ThinkPad-Laptops/x220-does-not-resume-from-sleep/m-p/1083233/highlight/false#M48825 the Lenovo forums]
  
 
==See also==
 
==See also==

Revision as of 10:37, 27 April 2013

Tango-document-new.pngThis article is a stub.Tango-document-new.png

Notes: please use the first argument of the template to provide more detailed indications. (Discuss in Talk:Lenovo ThinkPad X220#)

Setup

Graphics

The graphic card is supported by the xf86-video-intel driver package from the extra repository. The Xorg server makes use of this automatically. There's no need for a Xorg configuration file.

pacman -S xf86-video-intel

Configuration

Heat issues

According to a forum post you should set some power saving options in /etc/modprobe.d/modprobe.conf or add them to your kernel line in your menu.lst. We use rc6=7 for deepest sleep mode.

options i915 modeset=1
options i915 i915_enable_rc6=7
options i915 i915_enable_fbc=1 
options i915 lvds_downclock=1

As well you could suffer of Kernel Power Regressions.

My laptop gets stuck in a reboot loop if I resume from suspend! Help!

This can be caused by the EFI storage getting too full. Run the following commands as root to free up some space -

{{# First clear the pstore mkdir -p /dev/pstore mount -t pstore pstore /dev/pstore ls /dev/pstore # <- Nothing important should be here, but check first anyway rm /dev/pstore/*

  1. Next some EFI variables. These are used/created by pstore, but I've had them even though I deleted the pstore data using the above commands. YMMV.

rm /sys/firmware/efi/efivars/dump-type0-* }}

This information was taken from the Lenovo forums

See also