The discrete card cannot currently put to use as the LVDS panel is connected to the integrated GPU, and the nvidia optimus design does not include a display mux. Disabling the discrete graphics saves 3-4W on this machine, so it would be nice to be able to do so.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-12-generic 3.2.0-12.21
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sforshee 1687 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf5cf8000 irq 45'
Mixer name : 'Realtek ALC269VB'
Components : 'HDA:10ec0269,1043841c,00100100'
Controls : 16
Simple ctrls : 9
Date: Thu Feb 2 11:35:01 2012
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=b25224d2-a78d-4b49-b936-5f505ceafa29
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110705.1)
MachineType: ASUSTeK Computer INC. 1215N
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic root=UUID=a4d57f60-a7b7-4e8d-ab5f-47b8ed14d3ab ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-12-generic N/A
linux-backports-modules-3.2.0-12-generic N/A
linux-firmware 1.68
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/20/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0605
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1215N
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0605:bd12/20/2010:svnASUSTeKComputerINC.:pn1215N:pvrx.x:rvnASUSTeKComputerINC.:rn1215N:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1215N
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.
Commit d099230 (nouveau: Support Optimus models for vga_switcheroo) in Linux 3.3 adds support for turning off the dGPU in this machine. I will backport this for precise.