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I am trying Nvidia vulkan beta driver called "nvidia-355.00.26" on my optimus laptop (intel + nvidia)

You can gen nvidia vulkan beta driver in this PPA: The driver does not create "common" modules like nvidia-current nvidia-shi etc..., but nvidia_355 nvidia_355_uvm nvidiafb

When I set /etc/bumblebee/bumblebee.conf KernelDriver=nvidia_355

I get

Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233034] [ERROR][XORG] (EE) systemd-logind: failed to get session: PID 11130 does not belong to any known session
Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233050] [WARN][XORG] (WW) "glamoregl" will not be loaded unless you've specified it to be loaded elsewhere.
Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233057] [WARN][XORG] (WW) Warning, couldn't open module nvidia355
Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233061] [ERROR][XORG] (EE) Failed to load module "nvidia355" (module does not exist, 0)
Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233068] [WARN][XORG] (WW) Warning, couldn't open module nvidia
Feb 18 14:41:07 usb-tmp bumblebeed[11115]: [13580.233072] [ERROR][XORG] (EE) Failed to load module "nvidia" (module does not exist, 0)

I did change /etc/bumblebee/xorg.conf.nvidia

Section "Device"
    Identifier  "DiscreteNvidia"
    Driver      "nvidia_355"
    VendorName  "NVIDIA Corporation"

It looks like a bug?

  • Who told you that this beta driver is/shoild/will-be/is-supposed-to-be supported by bumblebee? – Pilot6 Feb 18 '16 at 18:03
  • I didn't know that there needs to be special nvidia proprietary driver for bumblebee – gsedej Feb 18 '16 at 18:57
  • A special driver is not needed. But a supported one IS needed. – Pilot6 Feb 18 '16 at 19:01
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Looks like the userspace driver was broken, the nvidia_drm.so, some mess with alternatives. I did the purge and install

sudo apt-get purge nvidia-355*
sudo apt-get purge nvidia*
#reboot
sudo apt-get install nvidia-355
#reboot

Evrything (opengl and vulkan) works! (except glmark2 segfaults, maybe other issue?)

  • how does vulkan work? Do you need to optirun/primusrun it? Can you install the intel one together with the nvidia one? – philsegeler Mar 14 '16 at 16:27
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You could try this edit:

kernel_driver=nvidia_i355

and then run a boot-repair, and type this in the terminal:

sudo apt-add-repository ppa:yannubuntu/boot-repair/ubuntu

and then this

sudo apt-get install -y boot-repair && boot-repair 

and choose common repair, and it might work.

  • thanks. I did not have problems with booting, since intel did work ok. nvidia is just for 3D (no output) – gsedej Feb 20 '16 at 9:36

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