** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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https://bugs.launchpad.net/bugs/1381175
Title:
vgaarb module not patched
Status in linux package in Ubuntu:
Confirmed
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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