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

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3
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0answers
661 views

Can AMD A-Series APU support OpenCL?

Have spent a lot of time on this one one but can't find an answer here. Ubuntu 14.10 clean install. AMD A10-7700K APU with Radeon(TM) R7 Graphics x4. 1) Started with the xserver open-source wrapper ...
3
votes
0answers
3k views

Laptop screen goes black, but laptop still running

I have an old Asus laptop with Ubuntu 14.04 LTS. Sometimes the laptop's screen goes black, but the laptop keeps running. It happens when loading a youtube video or websites like GDrive, but not all ...
3
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0answers
302 views

Can I use Ubuntu VDI to run GPU intensive Windows video games?

I have a bunch of kids (5), and a bunch of laptops (total of 7 including mom & dads). My video games (Civ V, Xcom) run pretty slow on our laptops (AMD A quad core, 8GB RAM, 512 MB onboard ATI 512 ...
2
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0answers
323 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 (...
2
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0answers
187 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 ...
2
votes
0answers
970 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 /...
2
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0answers
113 views

Use Integrated Inted HD 4600 for X server and dedicated Nvidia GTX 970 for CUDA

I have a brand new computer and I am planning on installing Ubuntu 14.04 LTS on it. I will use it for calculations that is why it has the Cuda-enabled Nvidia GTX 970 GPU. I'd like to have this GPU ...
2
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0answers
105 views

Title bar graphic mangled on nvidia hybrid graphic system

I'm using ubuntu 13.10 and I'm currently having problems with the title bar on every window I open it looks really bad, here's a pic. Thanks in advance . The ubuntu version is 13.10 64-bit, the ...
2
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0answers
449 views

Use Intel HD graphics for X server and left nvidia for GPU computation

I have a computer running an intel CPU (with hd graphics) and a nvidia geforce display card. Since I just need the GPU for CUDA/OpenCL computation, I want to config the computer to use intel hd ...
2
votes
0answers
191 views

GPU under constant 25-30% load

Currently on a fresh install of 12.10 with Unity and the newest AMD 13.3 beta 3 catalyst driver. But even when on the desktop with no programs open it seems to be idling at 25-30% GPU usage and 47-51°...
2
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0answers
463 views

How can I make my onboard HDMI to work with my GPU?

I want to use my TV as a second monitor through HDMI in the motherboard, while use my main monitor through my graphics card since my motherboard is the only one who allows it. Ubuntu won't detect my ...
2
votes
0answers
1k views

AMD Driver not working on Ubuntu 12.04

I've just updated Ubuntu to latest version using Update Manager. It upgraded my kernel to 3.2.0-30. As always after installing new kernel I've reinstalled GPU drivers but with no success. AMD Driver ...
1
vote
0answers
29 views

My Screen doesn't look HD

I have installed lm-sensors to check my CPU temperature by using: sudo apt-get install lm-sensors after that i print the code: sudo sensors-detect it's gave me a lot of questions i answered it ...
1
vote
0answers
33 views

How to power off discrete graphics card

I installed Lubuntu 16.04 to my HP Pavilion dv6 laptop which has AMD 6770M discrete graphics card. In order to save battery I want to power off AMD card since onboard Intel HD3000 is enough for me. I ...
1
vote
0answers
42 views

Can I run virtual machines with CUDA GPU?

Is it possible? I have nVidia CUDA GT555M 2GB and I'd like to have its power in guest OSs (mainly Windows, for games). I found few topics or questions about this, but they were kinda old, so I'm not ...
1
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0answers
36 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 ...
1
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0answers
181 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?
1
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0answers
56 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). ...
1
vote
0answers
35 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 ...
1
vote
0answers
27 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 ...
1
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0answers
93 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. ...
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0answers
25 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
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0answers
284 views

how can I get ubuntu 15.04 to boot up with my Nvidia geforce 960 GPU

So I've recently installed Ubuntu as a secondary operating system on my computer alongside windows 8.1, and I've discovered that it refuses to boot up with my Nvidia 960 GPU installed. I've repeatedly ...
1
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0answers
129 views

NVIDIA GeForce GT 240M running hot on Kubuntu 64bit

I'm using a Packard Bell - EasyNote TJ65 (64bit Core) with a NVIDIA GeForce GT 240M. I know my computer is not the newest nor fastest model but until now I never had Problems running Linux Kubuntu 14....
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0answers
37 views

Interface delay with NVIDIA driver

I am experiencing a strange bug with a new installation of Ubuntu 14.10. It looks like I/O events are processed with a delay. That is, every event from either the mouse or the keyboard (both USB) ...
1
vote
0answers
46 views

Cannot boot into GUI

Cannot boot into GUI at all. Was working for awhile but I think something happened awhile back, when I plugged my TV into the HDMI port on my laptop. After trying a ton of solutions like un/re/...
1
vote
0answers
84 views

Chrubuntu 12.04 Desktop Won't Load

I'm on a Lenovo X131e Chromebook. Upon start up I am able to move the mouse pointer around a black screen with a blinking text cursor in the top corner. If I switch to a terminal and then try to ...
1
vote
0answers
27 views

Screen Garbled When Trying To Install

I'm new to Ubuntu. I'm trying to install on an HP TouchSmart 320 PC with an integrated AMD Radeon HD 6410 gpu. First I get a purple screen with Ubuntu in the middle but then it goes 'garbled/pixelated....
1
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0answers
200 views

Ubuntu Hybrid Graphics automatic switch

My notebook have an integrated gpu (intel HD) and a discrete gpu (AMD Radeon 8850M). Looking into the ubuntu documantaion here https://help.ubuntu.com/community/HybridGraphics I tried using switcheroo,...
1
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0answers
253 views

problems installing gpu driver

after running the installation of the driver i get an error that i need to install some prerequisites found in the fglrx-install.log file and there i found this NOTE: If your system has logged the ...
1
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0answers
399 views

Detected a hung GPU, disabling acceleration

on lubutnu 14.04 im getting a gpu hang on lubuntu and when i checked the system log it said [ 2303.921] (EE) intel(0): Detected a hung GPU, disabling acceleration. [ 2303.922] (EE) intel(0): When ...
1
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0answers
446 views

Ubuntu 14.04 Switchable Graphics ATI Lenovo G510

Sorry if my question sound stupid, but I'm not very clever with linux yet I'm facing well known problem around here namely switchableGraphics. In --here-- you can find information that in linux ...
1
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0answers
231 views

Hardware acceleration in video playback

I have ubuntu system with amd apu a6 llano. when I play hd videos on ubuntu using vlc or some other media player it takes so much cpu usage but when I play same video on windows 7 it takes just 5% cpu ...
1
vote
0answers
82 views

dual GPUs? Both ATI and NVidia

I'd like to install both an NVidia GPU and an ATI GPU. Since I'm using OpenCL, I need the proprietary drivers for each. I've had troubles updrading to proprietary drivers and doing it successfully ...
1
vote
0answers
222 views

Is the Radeon HD 7790 supported in Ubuntu?

I have an MSI Radeon HD 7790 graphics card and I cannot figure out whether it's supported in Ubuntu or not, and to what extent (2D, 3D accel., VDPAU, etc). I tried asking on a few forums but got ...
1
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0answers
169 views

Cannot install on computer with multiple GPUs?

Background. I got a problem installing (K)ubuntu yesterday. It started well with the Kubuntu 13.04 installer recognizing my 3 screens out of the box for the splash screen: pic1. However, after that, ...
1
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0answers
934 views

ATI Hybrid Graphics Over Heat. Intel GPU not working!

I just followed this guide (http://ubuntuforums.org/showthread.php?t=1930450) and installed the proprietary ATI drivers on my laptop which have ATI Hybrid Graphics (ATI Radeon HD 6770 M GPU). It ...
1
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0answers
999 views

Lowering GPU temperature on Radeon 6850 with open source driver

I read and tried this and it doesn't work for me! when I type echo "mid" > /sys/class/drm/card0/device/power_profile I see what this value really changed (needs the chmod was applied before, ...
0
votes
0answers
21 views

GPU boost/overclock AMD HD 6290 or new driver to run 1080p?

I know my gfx card should be able to run 1080p (it supports gpu boost and overclocking) but I can't figure out how to make them work. I just installed Xubuntu 16.04.1 and I have the radeon driver ...
0
votes
0answers
14 views

Can I run GPU Programs

I have to run code for a huge no. of floating point iterations. lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09) 08:00.0 VGA compatible ...
0
votes
0answers
28 views

AMDGPU Pro driver not working on Xubuntu 16.04

I recently upgraded to Xubuntu 16.04 and would like to install the AMDGPU Pro driver. The first time installing the driver, my secondary DVI monitor did not receive signal. The second attempt, not ...
0
votes
0answers
19 views

Intel Sofia (Atom x3) with Mali GPU compatibility

Does Ubuntu desktop version (I mean the standard x86 desktop edition) support the Intel Sofia CPU with Mali-450 GPUs? I just need 2D graphics and USB to work... no other stuff like 3G, Bluetooth, Wifi ...
0
votes
0answers
41 views

How to know the utilization of intel GPU in ubuntu?

In case of nvidia GPU, if we use the command nvidia-smi --loop-ms=1000, it will show Here in processes ./ImageMagick has been added, which is my program. Thus my program runs in GPU. In similar way,...
0
votes
0answers
27 views

What are the gpu accelerated video converters available other than FFMpeg?

I need some free gpu accelerated cross-platform video converters available for ubuntu 14.04 other than ffmpeg. ffmpeg supports all formats. But still i need to know whether ffmpeg is comparatively ...
0
votes
0answers
27 views

How to install ACS override and i915 VGA patch?

When using arch linux you can just install the "linux-vfio-lts" kernel using a single program, called pacaur. However I am attempting to try use GPU pass through using Ubuntu Server 16.04 LTS and I am ...
0
votes
0answers
32 views

KVM GPU Passthrough with PCI-stub

I am trying to passthrough GPU onto my client machine using pci-stub. My requirements are: Xubuntu 16.04 Lenovo g510 with i7 4800MQ upgraded from i7 4700MQ (for Vt-d support) [AMD/ATI] Mars [Radeon ...
0
votes
0answers
66 views

:Why is the operating system blocking access to the NVIDIA GPU?

I am using an AWS gpu instance with 1 NVIDIA gpu. I recently installed nvidia drivers and the toolkit using ./cuda_7.5.18_linux.run. I rebooted the instance and when I tried running nvidia-smi I got ...
0
votes
0answers
12 views

How to force the GPU do the display rendering?

I've installed 2 NVIDIA QUADRO K620 cards. But fullscreen video is sluggish, missing frames. one CPU core (of the 12, it's a 6-core Hyperthreading) is running 100% for xorg. I tried the nouveau and ...
0
votes
0answers
19 views

Ubuntu 14.04 doesn't recognize Nvidia Gpu

I installed GPU driver by sudo apt-get install nvidia-352. The system recognizes GPU as a "3D controller" and I can't find /dev/nvidia* or /proc/driver/nvidia/. 04:00.0 3D controller: NVIDIA ...
0
votes
0answers
51 views

TensorFlow GPU installation

While installing cuda 7.5 from [NVIDIA developer] (https://developer.nvidia.com/cuda-downloads) on my ubuntu 14.04 instance on google cloud, I am encountering the following error: Installing the ...