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[Lekensteyn <700646@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I've recentely purchased a new (custom build) laptop with a nVIDIA GT425M graphics card and i5-460M processor.
This card supports Optimus, which Ubuntu (and Linux) does not support (I can live with that).
But I can't get this GT425M to work, the only gpu being used is the integrated GPU in the i5 processor.

It seems that Ubuntu does not detect the nVIDIA card at all:
$ dmesg|grep -i nouveau
[    3.468455] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    4.625468] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    4.625480] nouveau 0000:01:00.0: enabling device (0104 -> 0107)
[    4.625487] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[    4.625491] nouveau 0000:01:00.0: setting latency timer to 64
[    4.629190] [drm] nouveau 0000:01:00.0: Unsupported chipset 0x0c1800a1
[    4.629270] nouveau 0000:01:00.0: PCI INT A disabled
[    4.629275] nouveau: probe of 0000:01:00.0 failed with error -22

$ dmesg|grep 0000:01:00
[    1.562570] pci 0000:01:00.0: reg 10: [mem 0xfb000000-0xfbffffff]
[    1.562577] pci 0000:01:00.0: reg 14: [mem 0xf0000000-0xf7ffffff 64bit pref]
[    1.562585] pci 0000:01:00.0: reg 1c: [mem 0xf8000000-0xf9ffffff 64bit pref]
[    1.562589] pci 0000:01:00.0: reg 24: [io  0x2000-0x207f]
[    1.562593] pci 0000:01:00.0: reg 30: [mem 0x00000000-0x0007ffff pref]
[    1.632909] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=none,locks=none
[    1.691332] pci 0000:01:00.0: BAR 6: can't assign mem pref (size 0x80000)
[    3.259174] vgaarb: transferring owner from PCI:0000:00:02.0 to PCI:0000:01:00.0
[    3.468455] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    4.625468] nouveau 0000:01:00.0: power state changed by ACPI to D0
[    4.625480] nouveau 0000:01:00.0: enabling device (0104 -> 0107)
[    4.625487] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[    4.625491] nouveau 0000:01:00.0: setting latency timer to 64
[    4.629190] [drm] nouveau 0000:01:00.0: Unsupported chipset 0x0c1800a1
[    4.629270] nouveau 0000:01:00.0: PCI INT A disabled
[    4.629275] nouveau: probe of 0000:01:00.0 failed with error -22

# lshw -c video
  *-display UNCLAIMED     
       description: VGA compatible controller
       product: nVidia Corporation
       vendor: nVidia Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller cap_list
       configuration: latency=0
       resources: memory:fb000000-fbffffff memory:f0000000-f7ffffff memory:f8000000-f9ffffff ioport:2000(size=128)
  *-display
       description: VGA compatible controller
       product: Core Processor Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:45 memory:fd000000-fd3fffff memory:d0000000-dfffffff ioport:1800(size=8)

$ lspci|grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation Device 0df0 (rev a1)

lspci part about motherboard and BIOS:
     *-firmware
          description: BIOS
          vendor: Phoenix Technologies LTD
          physical id: 0
          version: 6.00 (08/27/2010)
          size: 116KiB
          capacity: 4032KiB
          capabilities: pnp upgrade shadowing escd cdboot bootselect int9keyboard int10video acpi usb agp smartbattery biosbootspecification
     *-board UNCLAIMED
          description: Mother Board
          product: B7130
          vendor: CLEVO CO.
          physical id: 2
          version: Not Applicable
          serial: Not Applicable
          slot: Not Applicable

This machine is based on
http://www.clevo.com.tw/en/products/prodinfo_2.asp?productid=300

./test_off.sh from http://linux-hybrid-graphics.blogspot.com/2010/07
/using-acpicall-module-to-switch-onoff.html yields "failed" for
everything.

The nVIDIA properitary driver was a disaster, it would left me without a
X server and after uninstalling it, I had to reinstall libgl1-mesa-glx
and run sudo update-initramfs -u. Not sure if it helped, but I removed
newer files (touched by nvidia installer) in /lib/modules/$(uname -r)
and reinstalled linux-image-$(uname -r) too (which took care of updating
initramfs as well)

I've seen this thread as well:
http://ubuntuforums.org/showthread.php?t=1657660, so I quited with
trying to get the properietary driver to work. The BIOS does not provide
me an option for switching/disabling Optimus or video cards (Phoenis
SecureCore)

Running Kubuntu 10.10 64bits on a laptop.

** Affects: xserver-xorg-video-nv (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/700646

Title:
  nVIDIA 425M (with Optimus) is not detected