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[Håkon Løvdal <hlovdal@xxxxxxxxx>]

Laptop MSI GS70 6QE, https://www.msi.com/Laptop/support/GS70-6QE-
Stealth-Pro.html.

$ grep CPU /proc/cpuinfo | head -1
model name      : Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
$ lspci | grep -E -i 'vga|nvidia'
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
01:00.0 3D controller: NVIDIA Corporation GM204M [GeForce GTX 970M] (rev a1)
$ lshw | grep -A4 BIOS
          description: BIOS
          vendor: American Megatrends Inc.
          physical id: 1
          version: E1775IMS.10E
          date: 12/02/2015
$ 

It always produces the following warnings during startup

ACPI Warning: \_SB.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20160831/nsarguments-95)
ACPI Warning: \_SB.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20160831/nsarguments-95)
ACPI Warning: \_SB.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20160831/nsarguments-95)

for all the kernel versions I have used/tested

4.8.15-300.fc25.x86_64
4.9.0+
4.9.0-rc4+
4.9.0-rc5+
4.9.0-rc8+
4.9.11-200.fc25.x86_64
4.9.13-200.fc25.x86_64
4.9.13-201.fc25.x86_64
4.9.14
4.9.14-200.fc25.x86_64
4.9.5-200.fc25.x86_64
4.9.6-200.fc25.x86_64
4.9.8-201.fc25.x86_64
4.9.9-200.fc25.x86_64
4.10.0-rc5+
4.10.5-200.fc25.x86_64
4.10.6-200.fc25.x86_64

The "examples/turn_off_gpu.sh" script (previously test_off.sh) from
https://github.com/mkottman/acpi_call returns "failed" for all cases,
but the kernel logs "kernel: acpi_call: Cannot get handle: Error:
AE_NOT_FOUND" for all cases, so probably the acpi_call kernel module is
outdated (not updated since 2013).


** Attachment added: "Result from get-acpi-info.sh"
   https://bugs.launchpad.net/lpbugreporter/+bug/752542/+attachment/4853003/+files/Micro-Star_International_Co.%2C_Ltd.-GS70_6QE.tar.gz

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https://bugs.launchpad.net/bugs/752542

Title:
  ACPI DSDT info

Status in Bumblebee:
  Confirmed
Status in bumblebee-project:
  New
Status in Launchpad Bug Reporter:
  Confirmed
Status in Ubuntu:
  Confirmed
Status in Debian:
  New
Status in Fedora:
  New
Status in Gentoo Linux:
  New
Status in openSUSE:
  Confirmed
Status in zUbuntu:
  New

Bug description:
  This is for people with a hybrid graphics configuration to be able to
  submit the DSDT information: This includes nVidia Optimus and AMD
  Hybrid Graphics.

  To gather information about the laptop model, install dmidecode. For the DSDT/SSDT
  files, install the acpidump and iasl tools:

      sudo apt-get install acpidump iasl dmidecode

  or (on Fedora):

      sudo yum install pmtools iasl dmidecode

  Then use the script from http://lekensteyn.nl/files/get-acpi-info.sh to create the
  tarball containing information about the laptop model, PCI hardware and ACPI tables.
  To do so, run the following commands in a terminal:

  
      wget http://lekensteyn.nl/files/get-acpi-info.sh
      sh get-acpi-info.sh

  This will create a tar.gz file that you can attach to the bug report. In the comment
  itself, please include a link to the product page of the model (if available).

  This information will allow the full development of hybrid graphics
  features for Linux. Thanks for your help!

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