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I'm trying to install bumblebee on my laptop but i've some problem after the installation.i'm still unable to run something with primusrun.

primusrun glxgears -info

/usr/bin/primusrun: riga 41: attenzione: command substitution: ignored null byte in input
primus: fatal: Bumblebee daemon reported: error: [XORG] (EE) Failed to load module "nvidia" (module does not exist, 0)

systemctl status bumblebeed

● bumblebeed.service - Bumblebee C Daemon
 Loaded: loaded (/lib/systemd/system/bumblebeed.service; enabled; vendor preset: enabled)
 Active: active (running) since Sun 2018-12-09 03:22:16 CET; 13s ago
 Main PID: 1992 (bumblebeed)
 Tasks: 1 (limit: 4915)
 CGroup: /system.slice/bumblebeed.service
 └─1992 /usr/sbin/bumblebeed

dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480850] [WARN][XORG] (WW) Warning, couldn't open module nvidia
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480863] [ERROR][XORG] (EE) Failed to load module "nvidia" (module does not exist, 0)
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480869] [ERROR][XORG] (EE) No drivers available.
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480872] [ERROR][XORG] (EE)
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480875] [ERROR][XORG] (EE) no screens found(EE)
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480877] [ERROR][XORG] (EE)
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480880] [ERROR][XORG] (EE) Please also check the log file at "/var/log/Xorg.8.log" for a
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480884] [ERROR][XORG] (EE)
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480887] [ERROR][XORG] (EE) Server terminated with error (1). Closing log file.
dic 09 03:22:27 msi bumblebeed[1992]: [ 1596.480889] [ERROR]X did not start properly

xorg.conf.nvidia

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

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"
EndSection

bumblebee.conf

# 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.
[bumblebeed]
# The secondary Xorg server DISPLAY number
VirtualDisplay=:8
# 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.
KeepUnusedXServer=false
# The name of the Bumbleblee server group name (GID name)
ServerGroup=bumblebee
# Card power state at exit. Set to false if the card shoud be ON when Bumblebee
# server exits.
TurnCardOffAtExit=false
# The default behavior of '-f' option on optirun. If set to "true", '-f' will
# be ignored.
NoEcoModeOverride=false
# 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)
Driver=nvidia
# Directory with a dummy config file to pass as a -configdir to secondary X
XorgConfDir=/etc/bumblebee/xorg.conf.d
# Xorg binary to run
XorgBinary=/usr/lib/xorg/Xorg

## Client options. Will take effect on the next optirun executed.
[optirun]
# Acceleration/ rendering bridge, possible values are auto, virtualgl and
# primus.
Bridge=auto
# The method used for VirtualGL to transport frames between X servers.
# Possible values are proxy, jpeg, rgb, xv and yuv.
VGLTransport=proxy
# List of paths which are searched for the primus libGL.so.1 when using
# the primus bridge
PrimusLibraryPath=/usr/lib/x86_64-linux-gnu/primus:/usr/lib/i386-linux-gnu/primus:/usr/lib/primus:/usr/lib32/primus
# Should the program run under optirun even if Bumblebee server or nvidia card
# is not available?
AllowFallbackToIGC=false


# 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
[driver-nvidia]
# Module name to load, defaults to Driver if empty or unset
KernelDriver=nvidia-current
PMMethod=auto
# colon-separated path to the nvidia libraries
LibraryPath=/usr/lib/x86_64-linux-gnu/nvidia:/usr/lib/i386-linux-gnu/nvidia:/usr/lib/nvidia
# comma-separated path of the directory containing nvidia_drv.so and the
# default Xorg modules path
XorgModulePath=/usr/lib/nvidia/nvidia,/usr/lib/xorg/modules
XorgConfFile=/etc/bumblebee/xorg.conf.nvidia

## Section with nouveau driver specific options, only parsed if Driver=nouveau
[driver-nouveau]
KernelDriver=nouveau
PMMethod=auto
XorgConfFile=/etc/bumblebee/xorg.conf.nouveau

dpkg -l | grep nvidia

ii bumblebee-nvidia 3.2.1-14 amd64 NVIDIA Optimus support using the proprietary NVIDIA driver
ii glx-alternative-nvidia 0.8.3~deb9u1 amd64 allows the selection of NVIDIA as GLX provider
ii nvidia-alternative 384.130-1 amd64 allows the selection of NVIDIA as GLX provider
ii nvidia-installer-cleanup 20151021+4 amd64 cleanup after driver installation with the nvidia-installer
ii nvidia-kernel-common 20151021+4 amd64 NVIDIA binary kernel module support files
ii nvidia-kernel-dkms 384.130-1 amd64 NVIDIA binary kernel module DKMS source
ii nvidia-kernel-support 384.130-1 amd64 NVIDIA binary kernel module support files
ii nvidia-legacy-check 384.130-1 amd64 check for NVIDIA GPUs requiring a legacy driver
ii nvidia-modprobe 384.111-2~deb9u1 amd64 utility to load NVIDIA kernel modules and create device nodes

dpkg -l | grep bumblebee

ii bumblebee 3.2.1-14 amd64 NVIDIA Optimus support for Linux
ii bumblebee-nvidia 3.2.1-14 amd64 NVIDIA Optimus support using the proprietary NVIDIA driver

Looks like the nvidia module is not loaded

1. 
   

   Run the following to check you have the module installed

   
   
   

   lsmod | grep nvidia

   
   


2. 
   

   Blacklist nouveau in /etc/modprobe.d/blacklist.conf by adding the line

   
   
   

   blacklist nouveau