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[kanibalv <kanibalv@xxxxxxxxx>]

Public bug reported:

Basically, vga cannot detect NVIDIA cards as "VGA compatible
controller", this is tested on a Optimus System.

dmesg indicates thatit not a valid vga device:

:~$ dmesg | grep vgaar
[    0.202410] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[    0.202413] vgaarb: loaded
[    0.202414] vgaarb: bridge control possible 0000:00:02.0
[    0.936062] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[  532.414245] vgaarb: this pci device is not a vga device
[  533.778296] vgaarb: this pci device is not a vga device


system:~$ uname -a
Linux  3.16.0-10-generic #15-Ubuntu SMP Thu Aug 21 16:26:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
system:~$ lspci -nn
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
01:00.0 3D controller [0302]: NVIDIA Corporation GK208M [GeForce GT 735M] [10de:1291] (rev ff)

According to this:

https://github.com/Bumblebee-Project/Bumblebee/issues/159

there is a patch fot vgaarb thtat is on 14.04 but not in 14.10

more info:
https://bugzilla.kernel.org/show_bug.cgi?id=63641

previous patch is on: http://pastebin.com/wpmFi38k

Thanks.

** Affects: ubuntu-drivers-common (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1381175

Title:
  vgaarb module not patched

Status in “ubuntu-drivers-common” package in Ubuntu:
  New

Bug description:
  Basically, vga cannot detect NVIDIA cards as "VGA compatible
  controller", this is tested on a Optimus System.

  dmesg indicates thatit not a valid vga device:

  :~$ dmesg | grep vgaar
  [    0.202410] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
  [    0.202413] vgaarb: loaded
  [    0.202414] vgaarb: bridge control possible 0000:00:02.0
  [    0.936062] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
  [  532.414245] vgaarb: this pci device is not a vga device
  [  533.778296] vgaarb: this pci device is not a vga device


  system:~$ uname -a
  Linux  3.16.0-10-generic #15-Ubuntu SMP Thu Aug 21 16:26:44 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  system:~$ lspci -nn
  00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
  01:00.0 3D controller [0302]: NVIDIA Corporation GK208M [GeForce GT 735M] [10de:1291] (rev ff)

  According to this:

  https://github.com/Bumblebee-Project/Bumblebee/issues/159

  there is a patch fot vgaarb thtat is on 14.04 but not in 14.10

  more info:
  https://bugzilla.kernel.org/show_bug.cgi?id=63641

  previous patch is on: http://pastebin.com/wpmFi38k

  Thanks.

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