Ubuntu – Bumblebee: [ERROR]Cannot access secondary GPU – error: [XORG] (EE)

bumblebeegraphicsintel graphicsnvidianvidia-geforce

There are many similar errors on here, but none quite seemed to match my issue.

[ERROR]Cannot access secondary GPU – error: [XORG] (EE)

I have PRIME running, and I can use the PRIME profile to switch between my Intel and my NVIDIA 970M successfully. I've got nvidia-375 drivers installed (latest).

The only piece of the puzzle that doesn't work is bumblebee now.

My error:

davidparks21@ghostmint ~ $ vblank_mode=0 optirun -vv /opt/VirtualGL/bin/glxspheres64 -v
[ 1011.616264] [DEBUG]Reading file: /etc/bumblebee/bumblebee.conf
[ 1011.616435] [INFO]Configured driver: nvidia
[ 1011.616528] [DEBUG]optirun version 3.2.1 starting...
[ 1011.616534] [DEBUG]Active configuration:
[ 1011.616535] [DEBUG] bumblebeed config file: /etc/bumblebee/bumblebee.conf
[ 1011.616543] [DEBUG] X display: :8
[ 1011.616547] [DEBUG] LD_LIBRARY_PATH: /usr/lib/nvidia-375:/usr/lib32/nvidia-375
[ 1011.616550] [DEBUG] Socket path: /var/run/bumblebee.socket
[ 1011.616555] [DEBUG] Accel/display bridge: auto
[ 1011.616561] [DEBUG] VGL Compression: proxy
[ 1011.616565] [DEBUG] VGLrun extra options: 
[ 1011.616569] [DEBUG] Primus LD Path: /usr/lib/x86_64-linux-gnu/primus:/usr/lib/i386-linux-gnu/primus
[ 1011.616603] [DEBUG]Using auto-detected bridge virtualgl
[ 1011.617953] [INFO]Response: No - error: [XORG] (EE) 

[ 1011.617963] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) 

[ 1011.617966] [DEBUG]Socket closed.
[ 1011.617978] [ERROR]Aborting because fallback start is disabled.
[ 1011.617984] [DEBUG]Killing all remaining processes.

My bumblebee config file:

# Configuration file for Bumblebee. Values should **not** be put between quotes

## Server options. Any change made in this section will need a server restart
# to take effect.
# The secondary Xorg server DISPLAY number
# Should the unused Xorg server be kept running? Set this to true if waiting
# for X to be ready is too long and don't need power management at all.
# The name of the Bumbleblee server group name (GID name)
# Card power state at exit. Set to false if the card shoud be ON when Bumblebee
# server exits.
# The default behavior of '-f' option on optirun. If set to "true", '-f' will
# be ignored.
# The Driver used by Bumblebee server. If this value is not set (or empty),
# auto-detection is performed. The available drivers are nvidia and nouveau
# (See also the driver-specific sections below)
# Directory with a dummy config file to pass as a -configdir to secondary X

## Client options. Will take effect on the next optirun executed.
# Acceleration/ rendering bridge, possible values are auto, virtualgl and
# primus.
# The method used for VirtualGL to transport frames between X servers.
# Possible values are proxy, jpeg, rgb, xv and yuv.
# List of paths which are searched for the primus libGL.so.1 when using
# the primus bridge
# Should the program run under optirun even if Bumblebee server or nvidia card
# is not available?

# Driver-specific settings are grouped under [driver-NAME]. The sections are
# parsed if the Driver setting in [bumblebeed] is set to NAME (or if auto-
# detection resolves to NAME).
# PMMethod: method to use for saving power by disabling the nvidia card, valid
# values are: auto - automatically detect which PM method to use
#         bbswitch - new in BB 3, recommended if available
#       switcheroo - vga_switcheroo method, use at your own risk
#             none - disable PM completely
# https://github.com/Bumblebee-Project/Bumblebee/wiki/Comparison-of-PM-methods

## Section with nvidia driver specific options, only parsed if Driver=nvidia
# Module name to load, defaults to Driver if empty or unset
# colon-separated path to the nvidia libraries
# comma-separated path of the directory containing nvidia_drv.so and the
# default Xorg modules path

## Section with nouveau driver specific options, only parsed if Driver=nouveau


Section "ServerLayout"
    Identifier  "Layout0"
    Option      "AutoAddDevices" "false"
    Option      "AutoAddGPU" "false"

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

#   If the X server does not automatically detect your VGA device,
#   you can manually set it here.
#   To get the BusID prop, run `lspci | egrep 'VGA|3D'` and input the data
#   as you see in the commented example.
#   This Setting may be needed in some platforms with more than one
#   nvidia card, which may confuse the proprietary driver (e.g.,
#   trying to take ownership of the wrong device). Also needed on Ubuntu 13.04.
BusID "PCI:01:00:0"

#   Setting ProbeAllGpus to false prevents the new proprietary driver
#   instance spawned to try to control the integrated graphics card,
#   which is already being managed outside bumblebee.
#   This option doesn't hurt and it is required on platforms running
#   more than one nvidia graphics card with the proprietary driver.
#   (E.g. Macbook Pro pre-2010 with nVidia 9400M + 9600M GT).
#   If this option is not set, the new Xorg may blacken the screen and
#   render it unusable (unless you have some way to run killall Xorg).
    Option "ProbeAllGpus" "false"

    Option "NoLogo" "true"
    Option "UseEDID" "false"
    Option "UseDisplayDevice" "none"

Verify PCI bus:

lspci -vnn | grep '\''[030[02]\]'
00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
01:00.0 3D controller [0302]: NVIDIA Corporation GM204M [GeForce GTX 970M] [10de:13d8] (rev a1)

Best Answer


The answer was finally there, uninstall xserver-xorg-legacy

sudo apt remove xserver-xorg-legacy

Here are the main resources I used to crack this:

(understand what in the !@#$ is going on here)

(this will get you 90% of the way there)

(solves a bunch of little gotchas you might have missed) Bumblebee: Cannot access secondary GPU - error: [XORG] (EE) No devices detected

(the official bumblebee troubleshooting page) https://github.com/Bumblebee-Project/Bumblebee/wiki/Troubleshooting

(the final active bug, remove xserver-org-legacy) https://github.com/Bumblebee-Project/Bumblebee/issues/749

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