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

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Driver conflict nvidia/Xorg

sorry for my english and my newbie in ubuntu i'm running on gnome-ubuntu 16.04LTS, i have Nvidia 9500gt with proprietary drivers installed , the problem when i plug out the gpu it won't boot into a ...
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0answers
21 views

rendering problems in kicad (Ubuntu 16.04)

Since I upgraded to Xenial, Kicad is rendering really bad. I tried Xenial with other kernel images, kicad versions stable 4.02 and PPA, and in all cases, rendering is really bad. Unusable. Any tip or ...
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0answers
90 views

Virtual GPU for Ubuntu 16.04 Clients on VirtualBox

Assuming the host OS has a GPU, can anybody tell me if Ubuntu 16.04 clients run using VirtualBox will be able to make use of the GPU through virtualization? I read that GPU virtualization is only ...
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0answers
36 views

Ubuntu 15.04 AMD APP SDK OpenCL

I'm working on Dell 7520 Inspiron with AMD 7730M GPU with 512 stream processors and 2GB RAM and I want to compute on this GPU using OpenCL. I have AMD catalyst installed via Ubuntu Additional ...
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0answers
144 views

How disable the integraded GPU (Intel HD 4000) and only use the discrete GPU (AMD Radeon HD 8870M) on Ubuntu 16.04?

Is there a way to disable my integrated GPU (Intel HD 4000) and only use the dedicated GPU (AMD Radeon HD 8870M aka R9 M270X and M370X)? This used to be possible through the proprietary drivers ...
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1answer
87 views

why is ubuntu incorrectly detecting my graphics card?

So in my ubuntu I was using the latest mesa drivers from the ppa. I also had the amdgpu and radeon xorg drivers installed. I was running a 16.04 gnome version of ubuntu. Maybe I am reading the ...
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1answer
40 views

Nvidia-361 GPU installation continual rebooting

I've got Ubuntu 15.10 installed on a new Asus Z170-AR motherboard. I've also got a Nvidia GTX 980 ti I'm trying to get working with it. I purgeed all Nvidia packages, and followed the instructions ...
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2answers
41k 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 ...
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0answers
28 views

nvidia-smi hangs. cannot be killed even by SIGKILL

I just finished carefully installing the latest nvidia drive to an new amazon g2.2xlarge ec2 instance which I would like to use to do some machine learning. Before install cuda and other packages, I ...
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0answers
62 views

How to choose to use AMD gpu instead of intel graphics - ubuntu 15.10

I have xubuntu 15.10 and I would like to know how to run a program ex. minecraft with my amd r7 m265 gpu instead of cpu graphics. Thanks!
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0answers
79 views

How to install AMD Radeon HD 6290 proprietary drivers in Ubuntu 15.10

I have been at this for days now. I have followed every guide that I can find. Purging and re-purging to get a clean start to try to reinstall once more but ultimately nothing has worked. I have tried ...
0
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1answer
171 views

The AMD fglrx driver doesn't see GPU cores in AMD APU A8-7600

I wanted to play with APU meaning to learn OpenCL and other GPGPU tricks, so I've installed the AMD APP SDK Ver 3.0 (which implements OpenCL 2.0) on my PC. This SDK documentation says I need to ...
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1answer
488 views

Ubuntu 16.04 ATI Radeon HD 5450 Graphics Support [closed]

In 16.04 LTS support for AMD proprietary drivers has been dropped. Instead there's an open source AMDGPU driver. My Question: Will the ATI Radeon HD 5450 work with the open source AMDGPU driver?
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0answers
33 views

Should blacklisted video card still show up in additional drivers?

I'm trying to get GPU passthrough working on Ubuntu, but I'm still getting no video output from the booted VM. I noticed, despite blacklisting the card and having it claimed by stuff, it still shows ...
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0answers
21 views

Ubuntu thinks my amd R7 250 is an R9 m360

I recently installed Ubuntu 14.04 on my newly built computer. My computer has an amd R7 250 GPU, but according to both the system details and amd catalyst I have an R9 m360. Is there any way to fix ...
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0answers
33 views

Graphics issue on Ubuntu 15.10 with Intel Q45/GMA4500

Currently, I have installed Ubuntu 15.10 on my Dell OptiPlex 960 MT machine with a Q6600 Intel CPU. I previously had Windows 10, but removed it because it had poor support for the Intel Q45/GMA4500. ...
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4answers
3k views

How to find out which NVIDIA GPU I have

I'm trying to use the information in this page to optimize my GPU performance. For that, I need to know which NVIDIA GPU I have. I tried the command sudo lshw -C display and I'm getting the ...
0
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1answer
137 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 ...
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2answers
61 views

Ubuntu lagging a lot in my laptop

I just installed Ubuntu on my PC, but it lags a lot. My pc runs all other OS at high speed, only Ubuntu is really slow. System specifications: Lenovo y_40 8 GB RAM 500 GB HDD Intel® Core™ i7-4510U ...
4
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0answers
133 views

Dual GPU NVIDIA 940m + Intel Sky Lake

I'm running 14.04 on an ASUS UX303UB which features that ever so troublesome dual GPU thingy, with 'Sky Lake Integrated Graphics' for discrete graphics and 'GM108M [GeForce 940M]' for performance ...
5
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2answers
6k views

external GPU system in Linux?

Has anybody got any idea what would be needed to have a working external GPU system (eGPU) under Linux? I've just seen this post of a DIY eGPU system: ...
3
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1answer
164 views

How to update additional driver (Nvidia GPU and CPU)

Firstly i want my drivers up to date. So can you help me about that? And 1 more question, at CPU title we have 2 options like microwaves and do not use device. Which one i must use? I use that right ...
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0answers
93 views

Radeon HD8990, Ubuntu 14.04LTS, OpenCL not working after AMD SDK 3.0 install

Found some leads at this Q/A: Radeon HD 7990 in Ubuntu 12.04 and above I have a Gigabyte 990FXA-UD3, a 256GB SSD, the HD8990 (basically a 7990), DVI-VGA adapter to monitor. Power is good, IOMMU is ...
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0answers
134 views

Which drivers should I use on 16.04 with AMD HD 6490?

16.04 is coming and my GPU is no longer supported with new proprietary drivers. Even on 15.10 it was not supported with new fglrx driver, but it was fixed by patching fglrx with a wrapper. To further ...
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0answers
93 views

How can I free my GPU memory in Ubuntu 14.04?

How can I free my gpu memory as much as possible? Currently there seems 400+ MB of GPU ram to be always occupied! How can I free these ? Wed Feb 24 21:48:33 2016 ...
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2answers
50 views

How to find GPU size in Ubuntu 14.04

I found my GPU, by lspci | grep VGA and found it to be 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland XT [Radeon HD 8670 / R7 250] I couldn't find my GPU size. Can ...
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2answers
190 views

Purple Screen on Boot NVIDIA 960 and no acces to recovery mode

So I have a 960 GPU and a 650 GPU, my 650 works pretty well on ubuntu 14, and I've been trying to install my 960 the problem is that even tho I installed the drivers from the official site I can't get ...
0
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1answer
48 views

nVidia GPU is not detected

My nVidia GPU (GTX650-DC) can't be detected by my computer(OS is Ubuntu 14.04). I've searched for related discussion(Ubuntu 14.04 couldn't detect nvidia graphic card (not even detect the model of ...
0
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1answer
109 views

Ubuntu 15.10 Video card crash

ubuntu boots just fine but sometimes the display just freezes. So i'm guessing it's a GPU problem. My graphics card is a r9 390x and works just fine on windows. Is there something i can do to fix ...
0
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0answers
97 views

Can't multi GPU / mult-monitor with AMD drivers Ubuntu 15.10

I've been troubleshooting for a while and haven't found much relevant info, hopefully someone can help me. I just installed ubuntu gnome 15.10 on my computer and I got it working with the AMD ...
6
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3answers
3k views

“System program problem detected” with apport-gpu-error-intel.py

My Ubuntu 12.10 was working fine, until a week ago when a software update was installed. Now, every two minutes, the computer hangs for a couple of seconds, and then an error message pops up saying ...
0
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1answer
164 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 ...
5
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1answer
125 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 ...
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1answer
256 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 ...
4
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1answer
322 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?
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2answers
1k 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?
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1answer
38 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 ...
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0answers
142 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
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1answer
243 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
404 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 ...
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0answers
640 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 ...
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1answer
576 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
8 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 ...
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0answers
17 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 ...
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0answers
108 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?
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0answers
57 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 ...
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0answers
139 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
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1answer
101 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
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1answer
62 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 ...
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0answers
50 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). ...