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

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23
votes
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 ...
11
votes
2answers
2k views

Reason to keep a GPU in a computer that is running Ubuntu Server

After a problem with my old motherboard, I'm switching my Ubuntu to my gaming computer. My main question is: is there any reason to keep my AMD HD 7850 running on this computer? My motherboard has ...
9
votes
2answers
13k views

GPU accelerated Chromium

I'm running a fresh install of Xubuntu 12.04 and I'd like to know how can I activate my nVidia card's GPU acceleration inside the latest stable Chromium. I wanted to play an MP4 file without the CPU ...
9
votes
2answers
8k views

How to restart GPU without reboot (softreset)?

How do I restart the GPU from command line? Using a HP DV6 laptop with Ubuntu 12.04-64 and an ATI mobile GPU. Installed the standard ATI propriety drivers suggested by Ubuntu. When I close the lid, ...
9
votes
4answers
8k views

What can I do to prevent Ubuntu from overheating my Notebook?

I have an easynote tj65 (2.1 ghz dual core with Geforce GT240M) running Ubuntu 11.10 and Windows 7 in dual-boot-mode. While Windows 7 doesn't have any comparable issues, Ubuntu is making my notebook ...
8
votes
1answer
507 views

Is there a simple, safe way to trigger a GPU lockup on a susceptible computer?

Answers to my previous question, Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?, have led me to suspect that my computer is experiencing an intermittent GPU ...
8
votes
2answers
4k views

How to set up multiple GPUs (12.04)?

I have two GPUs: one Intel i915 integrated, and one NVIDIA 560 Ti. This is NOT a hybrid setup, nor a laptop. In Windows 7, each card is connected to a different monitor, with the NVIDIA doing any ...
7
votes
4answers
795 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, ...
7
votes
4answers
8k views

Switching between Intel and NVIDIA GPU

My laptop has 2 GPUs, the Intel HD Graphics 4000, and NVIDIA GeForce FT 650M. How do I switch between GPUs? I tried installing drivers from NVIDIA, but that ruined my Ubuntu installation, and I had to ...
6
votes
3answers
13k views

browser without gpu support

Google has an Easter egg that draws 3D graph but when I tried it out on chrome it complained about no WebGL support. I've also tested it on Firefox whose WebGL support was enabled but ended up with ...
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
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: ...
5
votes
1answer
565 views

Much lower temps on Ubuntu [closed]

I've noticed that CPU temps and GPU on my laptop are much lower on Ubuntu than Windows 7. On Windows temperature is like 50 celsius to 58 and on Ubuntu 40 to 50 max. Cooling is also much cooler on ...
5
votes
1answer
3k views

How can I find the memory usage on my GPU?

Previously I was checking the memory usage on my GPU with the following command: nvidia-settings -q all | grep Memory I am processing some scientific data on my GPU with numpy and theano. I was ...
5
votes
1answer
124 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 ...
5
votes
1answer
380 views

View GPU processor activity in real time?

I wanted to know if there is such a terminal command or application that allows one to view the progress of the processes running on the GPU in real time. Basically, something like 'top' for the GPU. ...
5
votes
1answer
4k views

Can I view Nvidia GPU usage?

I know that I can view CPU usage using System Monitor: Is there such a tool for viewing GPU usage, as well?
5
votes
3answers
2k views

How to switch between GPU's on an Asus EEE1015PN

I have an Asus EEE1015PN intel N550 with two GPU's: GMA3150 and Nvidia ION2. If I use (but I don't want to) windows 7 and I want to watch a full hd movie, then it switches to the bigger GPU. If I ...
4
votes
3answers
33k 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 ...
4
votes
1answer
10k 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 ...
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 ...
4
votes
1answer
670 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 ...
4
votes
2answers
3k views

How can I compile the OpenCL module for Pyrit?

I want to use my GPU with Pyrit. I use Ubuntu 11.10, ATI Radeon HD 68xx and i7 2600K. Step done: Install latest ATI driver from manufacturer website Install AMD APP SDK When I run benchmark I ...
4
votes
1answer
1k views

Can I install Ubuntu/Lubuntu on a pc with a video card that is not supported if I add `nomodeset` in using the live cd/usb?

I have a computer with a video card that has no Linux support. I discovered this issue while trying to use a persistent usb to boot from. I found that I can boot like that if I change options and ...
4
votes
2answers
4k views

3 monitors on a GT 430?

Will a card like the GT 430 which has 1x dvi, 1x vga, and 1x hdmi ports allow me to connect 3 monitors to it giving me a large desktop spanning 3 screens? Assuming I have 3 vga monitors and get the ...
4
votes
1answer
310 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?
4
votes
1answer
3k views

On 12.10 & 13.04 with i915 Detected a hung GPU, disabling acceleration

My system has been stable for about 3 months then without warning I started to get a freeze of the display and then a problem report saying GPU hung. I have update the graphics driver as per How to ...
4
votes
1answer
9k views

Why are embedded flash videos (like youtube) so heavy on the GPU?

I have noticed (in psensor, and listening to the fan) that my GPU is terribly hot when playing youtube videos. What happens at that point? Is this related to Flash in Ubuntu? Youtube in Firefox and ...
4
votes
1answer
3k views

Am I using integrated or discrete graphics?

My work station is a Macbook Pro which has... integrated graphics: Intel HD 3000 discrete graphics: Radeon XXXX... I have installed drivers for the discrete graphics right after installation. ...
4
votes
1answer
1k views

discrete GPU not working after update

I updated Ubuntu few days ago and my discrete GPU stopped working. When I start laptop I get some errors starting with unable to handle kernel paging request at ...some gibberish(probably some kind ...
4
votes
0answers
120 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 ...
4
votes
1answer
122 views

How do I profile (and possibly control) demands on my GPU?

My GPU gets ungodly hot very quickly and I would like to see what is pushing it, how hard it is being pushed and then make an informed choice about upgrade, adding cooling or reconfiguring. How do I ...
4
votes
1answer
2k views

AMD/AMD GPU Switching

I have two GPU's in my laptop, both of which are AMD. Whenever I use the Catalyst Control Centre to change the GPU, nothing changes after reboot. In fact, when I do the fglrxinfo command the ...
4
votes
1answer
2k views

VLC with hardware acceleration crashes if launched from the Unity Dash [closed]

Background I'm running Ubuntu 11.10 (64-bit) on a computer with an AMD E-450 APU. This chip has an integrated Radeon HD6320 graphics processor. I successfully installed the latest proprietary driver ...
3
votes
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 ...
3
votes
2answers
21k views

How do I turn off the Radeon GPU ono my HP Pavilion DM4?

I have a HP DM4 Beats Edition running Ubuntu 11.10. The HP Pavillion runs on-board Intel graphics as well as Radeon GPU. From what I have read it appears that the Radeon GPU is draining my battery ...
3
votes
2answers
49 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 ...
3
votes
1answer
4k views

Can't detect GPU ATI temperature sensor

I've an ATi Mobility HD4650 and I'd like to detect its sensor. I've installed lm-sensors, xsensors and the Hardware Sensors Indicator, but I can't find my GPU sensor. Here are some screenshots: ...
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 ...
3
votes
1answer
3k views

How to enable Discrete Graphics Card on Ubuntu 14.04

I can't activate my gpu when running Ubuntu 14.04. I've tried to follow the steps here but without any luck. ...
3
votes
1answer
12k views

How do I determine whether bumblebee is working as expected?

I followed the instructions at https://wiki.ubuntu.com/Bumblebee sudo add-apt-repository ppa:bumblebee/stable sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update Instead of ...
3
votes
2answers
6k views

How to downgrade Flash from 11.x to 10.3

Ubuntu v11.10 Adobe stripped gpu hardware acceleration from flash 11 due to security concerns. That's great, but I'd like to the accelerated video that Flash 10.3 affords on my nettop. The problem ...
3
votes
2answers
4k views

Hybrid graphics Intel/Radeon HD 6630M

I bought a Dell Vostro 3450 with hybrid GPU and I don't know how to configure properly, I think the fan is running at full speed, also I'm really new in this OS, so I would appreciate all the help you ...
3
votes
1answer
5k views

Ubuntu 14.04 GTX 970 [closed]

Okay a guy on a forum told me that its issues installing the drivers for the 970. Can anyone confirm that its doable from additional drivers? Also is the 290 easier to deal with? (except drivers ...
3
votes
2answers
186 views

How to toggle easily between the AMD Catalyst driver and the open-source Radeon driver?

I've got an AMD Radeon R9 270X that works very well with the open-source Radeon driver. However, I am going to occasionally be using an OpenCL application that requires the proprietary Catalyst ...
3
votes
0answers
617 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
1answer
422 views

How to configure Multiple Mult-Headed GPU Cards?

I have a late 2011 Alienware Aurora R4 with two video cards: GeForce GTX 590 Driving three 27" HP2711 monitors GeForce GT 520 Driving one 32" Sharp AQUOS About a year ago I attempted to install ...
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
votes
1answer
201 views

Switching on and off integrated GPU

I have a elitebook 8570w and use it to for both graphically heavy applications as well as normal stuff. I would like to be able to switch between the dedicated and the intergrated GPU. I know about ...
3
votes
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 ...