kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.0 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc2-vivid/

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

Title:
  vgaarb module not patched

Status in linux package in Ubuntu:
  Incomplete

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

  dmesg indicates that it's 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

  it's look like the patch for vgaarb is 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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