I confirm that the problem exists also on a updated install from Utopic to Vivid 15.04, but Nouveau driver is working just fine.
To use Nouveau driver I did the following: sudo apt-get remove --purge nvidia-settings nvidia-349 nvidia-prime nvidia-opencl-icd-349 sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update sudo aptitude install xserver-xorg-video-nouveau System Info: Ubuntu 15.04 Linux 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Nvidia Card: GK208M [GeForce GT 740M] lspci | egrep "VGA|3D" 00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) 01:00.0 3D controller: NVIDIA Corporation GK208M [GeForce GT 740M] (rev a1) dmesg | grep vgaarb [ 0.439245] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.439247] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.439249] vgaarb: loaded [ 0.439251] vgaarb: bridge control possible 0000:00:02.0 [ 1.336800] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 29.226146] vgaarb: this pci device is not a vga device [ 29.599365] vgaarb: this pci device is not a vga device -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubuntu-drivers-common in Ubuntu. https://bugs.launchpad.net/bugs/1381175 Title: vgaarb module not patched Status in ubuntu-drivers-common package in Ubuntu: Confirmed Status in ubuntu-drivers-common package in Debian: New 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1381175/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
