Questions related to the the Graphics Processing Unit itself. Questions about graphics cards can be found at [tag:graphics].

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0
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1answer
16 views

gpu-manager overwrites xorg.conf

I have recently installed the NVIDIA drivers on my Xubuntu 15.10 machine but I had to remove them due to improper multi-monitor setup. Everything went fine, except for the fact that gpu-manager seems ...
2
votes
1answer
25 views

How do I know if I'm using a GPU?

How to find out in Ubuntu (14.04) whether the processor has a GPU or not? I went through a few links and the results are as given below for my system specs. $ lspci | grep VGA 00:02.0 VGA compatible ...
-1
votes
1answer
48 views

how can i install bumblebee for nouveau?

i read Ubuntu Wiki and they gave instruction for nvidia driver not for nouveau. (actually when i tried to download Nvidia proprietary driver my laptop stop working so i have to deal with nouveau ) I ...
0
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0answers
23 views

OpenCL doesn't detect GPU

I installed AMD APP SDK and here my problem. The OpenCL samples do not detect the GPU. HelloWorld give me this: [thomas@Clemence:/opt/AMDAPP/samples/opencl/bin/x86_64]$ ./HelloWorld No GPU device ...
4
votes
1answer
168 views

Ubuntu: Switch from Nvidia to Intel graphics?

By default Ubuntu has selected the nouveau drivers as i have an nvidia gpu. But I need to run my system on the Intel GPU instead, with Intel drivers etc. How can I do this?
1
vote
2answers
189 views

AMD Radeon R5 M330 drivers

Where can I find the drivers for gpu AMD Radeon R5 M330 ? At AMD site there are drivers only for windows.Maybe there is an open source driver or something like a backport?
0
votes
1answer
30 views

Problem with installing GPU

I installed my GPU two months ago in my computer and everything worked fine. All of a sudden, I noticed in the "Details" page from "System settings" that my GPU is not working anymore; I make sure it ...
0
votes
0answers
6 views

setting (or changing) GPU timeout on ubuntu

If a WebGLSL shader is way too long to compile and execute on http://shadertoy.com/ , I totally loose the control of X and linux (I cannot even switch to the console). Only the mouse move, nothing ...
0
votes
1answer
38 views

How to enable GPU mining on a spare card not used for main display?

I am using an internal (Intel) video card for my main display. This is selected as per BIOS settings. I'd like to see how the GPU mining is on a AMD card I put into my PC. It's a "Cape Verde PRO ...
1
vote
1answer
268 views

AMD Crimson Driver 14.04 LTS Installation

I new to Linux and still learning how to use it.I have a R290 GPU and I need help in installing the new Crimson Drivers from AMD. I there a step by step guide in installing the drivers? I've been ...
1
vote
0answers
151 views

New USB-C / Thunderbolt C features

A lot of new systems are going to be coming out with USB-C / Thunderbolt which allows you to use pci-e bus over it. Specifically using an external GPU over USB-C, for example the Razer Blade Stealth ...
0
votes
1answer
445 views

nvcc fatal : Unsupported gpu architecture 'compute_30'

I am trying to setup vlfeat/matconvnet on my system. But it give me error when I try to compile GPU files. I am trying their manual. I use both way of compiling, straight and forcing for cuda-6.0 ...
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0answers
7 views

Dual GPUs slower than single one, in Ubuntu 14.04

I have two GTX Titan Z gpus. However, I found that if I plugin both of them to my computer, the Ubuntu system runs much much slower than only plugin only one card. I am wondering whether there needs ...
0
votes
0answers
13 views

How do I assign differnt number of cores/threads to an user group

I have a server machine having two GPU (512 cuda cores each) and Dual Quad Core Processors having 16 Number of Threads. The system is using Ubuntu Desktop edition 14.04. I want to assign an ...
19
votes
2answers
33k views

How to measure GPU usage?

Using the top command in the terminal lists processes, sorted by their CPU usage (and you can change it to sort by another parameter) Is there an equivalent for the GPU? This fellow is asking about ...
1
vote
0answers
52 views

Does compiz use hardware acceleration by default?

How do I find out if Compiz is using my graphics card? If it's disabled how do I enable it?
0
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0answers
41 views

Why is my screen choppy when I play HD videos?

I am using Xubuntu 14.04 on an ASUS X55V(i3 CPU and Nvidia 610m GPU). I installed the recommended proprietary driven in the GUI (352.63). I installed Nvidia Settings, too, and it lets me choose if I ...
0
votes
0answers
52 views

Fix GPU-manager/Graphics card related error

On running the follwing command I get the following output: user@Enigma:~$ sudo systemctl status gpu-manager.service ● gpu-manager.service - Detect the available GPUs and deal with any system ...
0
votes
1answer
49 views

Problem with Ubuntu installation - Black Screen [duplicate]

I have a problem with the installation of Ubuntu on my new desktop. I'm trying to install it from a USB and when I select try ubuntu or install ubuntu. I get to see the ubuntu loading screen, the main ...
0
votes
1answer
55 views

Screen Tearing Nvidia GT640m

I want to use my Nvidia card on my computer rather than intel hd4000. However it has a outstanding amount of tearing both vertical and horizontal, even there is god damn triangles appearing in video ...
1
vote
0answers
36 views

Ubuntu not compatible with my custom built desktop

I custom built a desktop PC today, and I'd like to run ubuntu 15.10 on it. It boots up, then right when I start to see unity desktop, I get a white, unresponsive screen (no mouse showing or anything). ...
0
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0answers
16 views

Changing Shared Memory in Ubuntu

So I just received my i7-4790k and installed it into a MSI z97 Gaming 5 motherboard. However, the shared memory is restricted to 512MB, and it seems to be possible to increase the amount in Windows, ...
0
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0answers
66 views

How can I update the driver for my Sapphire Nitro 4Gb R9 380x GPU?

I just built my first computer from scratch and updating drivers on Ubuntu is not as simple as Windows. I've installed Wine in an attempt to run the .exe off the product website to update the driver ...
4
votes
1answer
301 views

Unable to install NVidia Driver 352

I have a HP Envy 15-ae009tx laptop. Ubuntu 14.04 OS i7-5500U processor NVidia GeForce GTX 950M I tried using sudo apt-get install nvidia-352 352-updates. On reboot, the screen shows dots in the ...
1
vote
0answers
26 views

Possible override for black screen after changing the gpu?

I recently installed Ubuntu as I need to learn Fortran. Meanwhile I bought new GPU - r7 370. When I installed it into motherboard and started Ubuntu I was greeted with black screen, I think that ...
0
votes
0answers
709 views

Low fps Dota 2: Am I just out of options?

System: Ubuntu 14.04 LTS, using Gnome 3 DE at the moment. I feel as if I've tried everything to maximize my fps in Dota 2. I have an i7-3770k CPU and Radeon 7950 3GB gpu; I do believe the latter is ...
1
vote
0answers
20 views

Find GPU resource allocation on virtual server

I have been provided a virtual server, which runs Ubuntu 14.04. I'm accessing it using PuTTY. The server should have a NVIDIA GRID K2 GPU, but I'm having some issues using it in Python/C++ with the ...
0
votes
1answer
325 views

How to install GPU Ocelot in Ubuntu 14.04?

I'm using Ubuntu 14.04 and I wish to install GPU Ocelot (an open-source dynamic JIT compilation framework for GPU compute applications) in it. I have searched for suitable Ocelot versions but I could ...
0
votes
0answers
135 views

Multi monitor setup with Intel iGPU and dedicated NVIDIA card (desktop)

So I haven't found any post with a clear answer to this question. Is it possible to run both the HD4000 graphics on a 3770K and a GTX 980TI at the same time? I'm primarily a Windows user trying to ...
2
votes
1answer
6k views

Ubuntu 14.04: nvidia drivers for GeForce GTX 960M

I have Ubuntu 14.04 installed on an Asus N551JW laptop with these two graphic cards: Integrated Intel® HD Graphics 4600 NVIDIA® GeForce® GTX 960M 4G GDDR5 By default, Ubuntu recognizes the Intel ...
0
votes
0answers
49 views

Install CUDA 6.5 on Trusty Tahr without upgrading to `nvidia-352`

I am trying to install CUDA 6.5 on Trusty Tahr 14.04.3 using sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb sudo apt-get update sudo apt-get install cuda-6-5 Unfortunately, the nvidia-352 ...
0
votes
0answers
39 views

2 GPUs: 1 for monitor 1 for CUDA

I have 2 GPUs (NVIDIA QUADRO 600 and QUADRO 2000) on a Ubuntu 15.10, I am trying to set up the system so I can use the Q2000 for CUDA code while the Q600 takes care of the monitor. However I am only ...
0
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0answers
37 views

Google chrome consumes too much Vram

Recently I enabled chrome gup acceleration. ...generally I'm a really heavy google chrome user. I open up a really huge number of tabs. Now Google Chrome consumes my vram and I experience drastic ...
1
vote
0answers
73 views

Ubuntu, How to Enable Forced GPU on HP Pavilion

I recently installed Ubuntu MATE on an HP Pavilion dv6 (XG759UA#ABA) to be a dedicated Minecraft machine. MATE works perfectly, but Minecraft insists upon using integrated graphics instead of the GPU. ...
1
vote
0answers
23 views

Is a flickery screen bad?

I am running 14.04 with the 4.3 kernel (recently updated due to driver issues) and I've noticed a lot of flickery screen things going on. Usually when I scroll or when things update quickly I get a ...
1
vote
1answer
50 views

Blender GPU rendering works from command line but not in crontab [duplicate]

I would like to schedule blender renderings with GPU support. I have created a bash file rendering.sh to do the job. I have scheduled it with sudo crontab -e. * * * * * sleep 0 ; sudo ...
0
votes
0answers
61 views

How to control a Case Fan-header according to video card tempreatures?

I have a free 4-pin Case Fan-header on my motherboard and I want to add additional cooling for my video card. There is a free space for a case fan in local proximity to the PCIe-slots, which I would ...
0
votes
1answer
115 views

Ubuntu 15.10 driver AMD A10-5750M

I opened additional drivers section and I can see that I have something that I don't understand. Can you help me what would you select if you have CPU AMD A10-5750M with built in graphic card. I am ...
0
votes
0answers
30 views

GPU information location

I am trying to find out how to add information to GPU information output. I use this command: lspci | grep VGA to get the GPU info. Where does this command pull its information from? I want to edit ...
0
votes
0answers
153 views

Screen tearing in videos on Ubuntu 15.04 with Nvidia GeForce GT 630M

My Ubuntu 15.04 shows a lot of Screen Tearing during vídeo, mainly when is in HTML5, and I already have tried the "TearFree" command for the GPU but with no results, I hope get the right fix for this ...
0
votes
1answer
82 views

Ubuntu 15.04 with GPU tesla k20 and GT610 Graphics card

Can anyone tell me how to get drivers for these GPU and Graphics card?
7
votes
4answers
697 views

How to know the manufacturer of a graphic card?

I recently discovered, in a brief discussion with kos, that Nvidia does not produce its own graphic cards (apart from Quadro series), but other manufacturers are producing and selling them (Zotac, ...
0
votes
1answer
949 views

Default Ubuntu 15.04 radeon driver

I have installed Ubuntu 15 and my GPU HD7870 worked just fine, but I have tried if it will work better with proprietary driver. It didn't, so I wanted to revert it back to open-source. I used guide ...
0
votes
0answers
55 views

How to use GPU for OpenCL from command line remote login

I use OpenCL accelerated math on my workstation which I can only access remotely via command line from Windows. I have no desire to have a VNC desktop or tunnel X through ssh. When I am not logged in ...
0
votes
2answers
625 views

Ubuntu 12.04 Installation problem

I have a GTX580 and I installed Ubuntu 12.04 using the nomodeset option. Now when I start the PC, in the login screen I can't move my mouse and then a black screen appears and the following message ...
0
votes
1answer
56 views

14.04 - Power button that shows usage of external graphics card is always on

I have selected NVIDIA binary driver version 346.96 from the additional drivers - as it is shown below. But the power button that shows that usage of external graphics card is always on. Does it mean ...
0
votes
1answer
438 views

Can I enable crossfire on Ubuntu 14.04?

How can I enable crossfire mode on Ubuntu 14? Graphics: 2 x AMD Radeon HD7790. Mainboard ASUS P5KC. OS: KUbuntu 14.04 x64. aticonfig reports: aticonfig --lscs Candidate Combination: ...
0
votes
0answers
45 views

Login loop after removing dedicated gpu

I'm dual booting windows 10 and Ubuntu 14.04 LTS, and I have a gtx760 with the proprietary drivers installed in Ubuntu. The problem is when I remove the dedicated gpu and try to login with the intel ...
3
votes
4answers
6k views

Getting gnome-shell working on nvidia optimus notebook

what i need is to enable the lamest hardware acceleration to get gnome-shell or unity 3d working. i know about bumblebee/ironhide/bumblebee-project. but i didn't understand how to use it directly ...
1
vote
1answer
91 views

Black Screen With Loading Circle on Boot [DEAD]

I recently updated my graphics driver to a newer one available on AMD's website, but it was beta and it broke stuff. Initially when I booted it would give me the message that X failed to load. Then I ...