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
630 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
2k 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
300 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
226 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
103 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
110 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
votes
0answers
102 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
votes
0answers
434 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
187 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 ...
2
votes
0answers
451 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
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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
23 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
vote
0answers
730 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 ...
1
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0answers
122 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
52 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
34 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
25 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
89 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
24 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
0answers
275 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
vote
0answers
126 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 ...
1
vote
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) ...
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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 ...
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 ...
1
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0answers
178 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 ...
1
vote
0answers
242 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
vote
0answers
384 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
430 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
227 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
80 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
218 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
vote
0answers
167 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
vote
0answers
927 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
vote
0answers
996 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
19 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
0answers
12 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 ...
0
votes
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 ...
0
votes
0answers
8 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.
0
votes
0answers
21 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 ...
0
votes
0answers
34 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
votes
0answers
28 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
votes
0answers
76 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 ...
0
votes
0answers
44 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
votes
0answers
74 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!
0
votes
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 ...
0
votes
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. ...
0
votes
0answers
141 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
votes
0answers
146 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
votes
0answers
115 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 ...