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

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0answers
7 views

two gpu two x servers, move mouse from one x server to the other

and xinerama sucks.. So I thought I might use two x servers.. but I do not understand how I move the mouse courser from one screen to the other. Thanks.
4
votes
4answers
34k views

How to find out what graphics driver is installed?

I installed Xubuntu 13.04 two months ago. But I don't know to find out which driver is installed for my GPU ( I mean graphic card driver ) or is it installed? I'm feeling something is wrong with my pc ...
0
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0answers
16 views

Select a low performance gpu Readeon HD 7640G + HD 7470M on 16.04 for cooler

I using 16.04lts. In 14.04lts I can use 'sudo amdcccle' to switch it. But 16.04 can not to do like that. It is so important because high performance gpu make my notebook very hot. Thank you. $ ...
5
votes
2answers
258 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 ...
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2answers
3k views

Can't use nvidia GPU optimization (libcublas.so)

I have a Nvidia 750Ti on a dedicated server I'm trying to install cuda in order to use GPU optimization in Theano. I did several cuda 7 installations (on ubuntu server x86_64 12.04, ubuntu server ...
0
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0answers
30 views

Ubuntu 14.04 GPU passthrough problem with IOMMU

i have a problem with my gpu passthrough on ubuntu 14.04, i checked my hard ware and my cpu is i7-2600 which supports VT-x in kvm and i try to passthrough my GTX 960. i did everything exactly as in ...
0
votes
1answer
46 views

Issues with QEMU GPU passthrough on ubuntu 14.04 LTS

I am following a tutorial on how to run a VM that can use my GPU and I have run into a problem. Here are links to the tutorials https://www.youtube.com/watch?v=w-hOr44oBAI ...
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0answers
14 views

Boot Ubuntu on a specific GPU in a multi-GPU environment (no laptop)

My home computer has a Radeon HD6970 plus a Geforce GT 740 video card. I use the more powerful Radeon under Windows for gaming, while the Geforce is there for some OpenCL and Vulkan stuff I plan to ...
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0answers
16 views

GPU plus default graphics card - ubuntu X desktop does not start

situation is as follows I have a server with a matrox GMA200, I installed a titan X, then: sudo service lightdm stop installed nvidia drivers created xorg.conf ... forced display to run with the old ...
-1
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0answers
27 views

New person looking for help with GPU Passthrough please?

I'm really new to linux, and I will just start off saying that I'd much rather use Ubuntu Cinnamon or Mate, I highly dislike the original Ubuntu desktop. That being said, I'm looking for help with ...
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0answers
10 views

GPU vram extended with system ram

Is it possible to virtually increase the usable GPU memory RAM through the system RAM or an SSD? Background of the question is a program that requires a bigger than available GPU RAM.
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1answer
168 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 ...
0
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2answers
280 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 ...
0
votes
0answers
23 views

How can I make a program go fullscreen and use the whole gpu

I have an android virtual machine (using Genymotion which works on top of virtual box). I get frame drops because I have lots of programs open. I press F11 to go fullscreen but it's no difference. I ...
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0answers
35 views

Set up CUDA 6.5 on Xenial for a GT240 GPU

I am having a difficult time trying to figure out which packages to install for the Nvidia CUDA toolkit on the latest Ubuntu 16.04 distro that work with my old GT240 card. I know that the latest ...
0
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0answers
31 views

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 ...
0
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0answers
90 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 ...
2
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0answers
237 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 ...
1
vote
1answer
113 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 ...
0
votes
1answer
48 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 ...
23
votes
2answers
43k 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 ...
0
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0answers
48 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 ...
0
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0answers
79 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!
2
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0answers
107 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
211 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 ...
0
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1answer
687 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
43 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 ...
1
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0answers
25 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 ...
0
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0answers
35 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. ...
4
votes
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
172 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 ...
0
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2answers
75 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 ...
5
votes
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
votes
1answer
177 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 ...
0
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0answers
154 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 ...
0
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0answers
147 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 ...
0
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0answers
123 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
52 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 ...
1
vote
2answers
203 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
votes
1answer
59 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
votes
1answer
124 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
votes
0answers
103 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
votes
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 ...
5
votes
1answer
147 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
299 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
votes
1answer
406 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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vote
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?
0
votes
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 ...
0
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0answers
145 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
263 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 ...