Geforce 840M and Cuda 8.0 RC Installation

[kb.pachauri]

Hi,

I am trying to install Cuda 8.0 RC on my laptop with nvidia Geforce 840M. I know there are many threads related to nvidia driver installation, and i tried almost all but none work for me. (maybe i am doing some basic mistake). I tried Cuda 7.5 also but no success.

Kindly suggest me some fix for this.

Thank you.

Regards, Pachauri

[wolfman]

Hi @kb.pachauri,

see this guide and report back if it solves the problem for you!:

How to install graphics card drivers in Ubuntu

ATTENTION ATI/AMD GRAPHICS CARD OWNERS, IF YOU INTEND TO USE UBUNTU (MATE) 16.04, PLEASE READ THE FOLLOWING FIRST!. EDIT: POSSIBLE SOLUTION FOR SOME WHO HAVE AN AMD CARD ON THE LIST HERE: http://support.amd.com/en-us/kb-articles/Pages/AMD-Radeon-GPU-PRO-Linux-Beta-Driver%E2%80%93Release-Notes.aspx See also: https://support.amd.com/en-us/download/linux First and foremost, Intel drivers are auto installed and there is no reason to start to try installing any drivers for Intel graphics…

[kb.pachauri]

Thank you very much for your response.

As can be seen from my first snapshot, additional driver shows nvidia-361(proprietary) installed,
but when i try to check it using glxinfo | grep "OpenGL Version" it shows still intel GPU and driver is in
use.

When i run cuda devicequery it exit with mesage "nvidia_361_uvm" is not loaded and when i try to load it
it message "Required key not available". Attached snapshot for both.

Not sure whats going on.. :(.

Regards, Pachauri

[wolfman]

Hi @kb.pachauri,

try removing all the Nvidia packages and restart, then install the Nvidia drivers first, restart once more and then see it runs okay and once it is up and running; install the Cuda packages!.

Have you done a full system update?:

Ubuntu Mate Update Guide

These are my own setting preferences, use at your own risk!. AN IMPORTANT NOTE FOR LINUX BEGINNERS. WHEN YOU ARE IN RECOVERY MODE, THE KEYBOARD DEFAULTS TO US ENGLISH, IF YOU HAVE ANY OTHER LANGUAGE KEYBOARD OTHER THAN US ENGLISH, WHEN YOU TYPE "Y" (FOR "YES"), IT MIGHT SHOW UP AS A DIFFERENT LETTER, ON MY KEYBOARD I MUST PRESS THE "Z" KEY WHICH EQUATES TO "Y" AS I HAVE A GERMAN KEYBOARD, JUST PRESS "BACKSPACE" AND HIT A DIFFERENT KEY UNTIL YOU SEE THE "Y" SHOW UP!. Click on "Subscri…

[kb.pachauri]

Hi @wolfman,

Thank you, and sorry i got busy in other issues, so could not try.

First, Its fresh installation of ubuntu mate 16.04.
I tried removing and again installing, Still no success. On Window10 CUDA works fine.

Actually when i tried to install nvidia driver, after driver module is failed to load.
So i tried downloading exact GeForce840M deriver from nvidia site, but still after
installation it says it could not load module.

Thank you

[wolfman]

Hi,

how did you install and did you follow this advice?:

Burn ISO's at the slowest possible speed

Hi all, as the title suggests, some and/or many problems with your installation can be avoided by burning the ISO file at the "SLOWEST POSSIBLE SPEED", most if not all burner apps will automatically choose the fastest speed available for your disk burner drive so it is important before you commit to burn a CD/DVD that you select the menu tab which controls the burn speed and select the lowest number on offer. Your burner drive may well support a burn speed of 20 X for DVD and 60 X for CD's a…

Have you done a full system update:

Ubuntu Mate Update Guide

These are my own setting preferences, use at your own risk!. AN IMPORTANT NOTE FOR LINUX BEGINNERS. WHEN YOU ARE IN RECOVERY MODE, THE KEYBOARD DEFAULTS TO US ENGLISH, IF YOU HAVE ANY OTHER LANGUAGE KEYBOARD OTHER THAN US ENGLISH, WHEN YOU TYPE "Y" (FOR "YES"), IT MIGHT SHOW UP AS A DIFFERENT LETTER, ON MY KEYBOARD I MUST PRESS THE "Z" KEY WHICH EQUATES TO "Y" AS I HAVE A GERMAN KEYBOARD, JUST PRESS "BACKSPACE" AND HIT A DIFFERENT KEY UNTIL YOU SEE THE "Y" SHOW UP!. Click on "Subscri…

[anon42388993]

I do not run cuda, but here are my findings. First the most recent related issue.

Issue: Cannot access secondary GPU - error: Could not load GPU driver

And this about modprobe (mint was as close as I got).

https://bugs.launchpad.net/linuxmint/+bug/1404128

This is dated

Could not load nvidia-uvm

[kb.pachauri]

I made bootable USB stick using Rufus and than installed it. During installation time also, i checked network options so that all latest updates also get installed.

[wolfman]

Hi,

try running the following terminal (Ctrl + Alt + t) command and restart after running it!:

sudo apt-get update && sudo apt-get remove nvidia-361 && sudo apt-get install nvidia-361