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

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9
votes
4answers
7k 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
439 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 ...
7
votes
1answer
6k 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 ...
7
votes
2answers
2k 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, ...
7
votes
2answers
2k 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 ...
6
votes
2answers
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
465 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
234 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
3k 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
2answers
2k 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
2answers
3k 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
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
5k 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
838 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
1answer
77 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
1k 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
1k 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
2answers
3k 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
3answers
8k 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 ...
3
votes
2answers
18k 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
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
1answer
3k 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 ...
3
votes
4answers
5k 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
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 ...
3
votes
2answers
5k 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
3k 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
2k 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. ...
3
votes
0answers
58 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
1answer
92 views

Can r600g drive 3D displays?

Can open-source Radeon (r600g) driver output stereoscopic image to displays that support it? Is it not mentioned in Radeon feature matrix (currently down, archive link) and I couldn't find any info ...
3
votes
0answers
391 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 ...
3
votes
1answer
476 views

Graphics issues nvidia GTX 560 Ti

I have a Asrock z77 Extreme 4 with a nvidia GTX 560 Ti video graphics card and I recently bought built it about six months ago. I have installed Ubuntu 12.10 64-bit on it (I installed the 32-bit ...
3
votes
4answers
4k 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 ...
2
votes
3answers
224 views

No visible performance increase with Radeon 5450 and OSource drivers

I have been running my machine without GPU for a while with decent results (no lag for a decent internet use, videos read smoothly and 2D gaming is OK). But I decided to see what I could get with an ...
2
votes
3answers
1k views

Temperature and other statistics from Radeon Open Source Drivers?

How can I see GPU % usage, temperature, fan speed, etc, with Radeon Open Source Drivers?
2
votes
1answer
7k 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 ...
2
votes
1answer
856 views

Display cuts off launcher, everything's blurry, Hulu choppy, system slower than Vista [closed]

Just installed 12.10 64bit. Display cuts off launcher, every thing's blurry, Hulu choppy, overall the system is slower than Vista. I'm guessing it's a GPU problem? I have a GeForce 9300M, but the ...
2
votes
1answer
176 views

Do I need to update my GPU drivers?

I have the following system running Ubuntu 12.04 with Wine 5.8: AMD Phenom I x4 2.8 Ghz XFX GTs 250 1GB 3GB DDR 2 Ram I have tried the 2 drivers in the additional drivers program and both have the ...
2
votes
1answer
688 views

Nvidia not showing both video cards

Im running Ubuntu 11.10. I installed the nvidia drivers version "current version" and they are installed correctly and currently in use - this is what the Additional Drivers program tells me. I go ...
2
votes
1answer
8k views

How to disable Ubuntu 13.04 Unity fancy visual effects?

Unity works very fast but pretty unstable on my PC (with Intel GMA X4500HD video card). For example the Ubuntu purple-black splash screen is stuck as the desktop background (changing it in the ...
2
votes
1answer
154 views

How do I prevent my HDMI-audio-only connected GPU from powering off itself?

I have a PC running Ubuntu and XBMC with the following specifications: CPU - AMD A6-3500 APU - Radeon(tm) HD Graphics integrated discrete graphics card: AMD HD6400 I got the HD6400 just to have ...
2
votes
1answer
2k views

How do I turn off nVidia high performance mode?

I am new to Ubuntu 11.10 and never touched linux until today. I installed Ubuntu alongside with Windows 7. I have an issue with my laptop overheating and freezing when it uses the high performance GPU ...
2
votes
1answer
364 views

AMD Catalyst Control Center Displaying Unknown Discrete Graphics Card

I have a HP Pavilion g6 - 2301AX laptop. It has an A8 APU with AMD Radeon HD 7640 + 7670M Dual graphics. I recently installed Ubuntu 14.04 64bit and after installing latest AMD Catalyst, in the ...
2
votes
1answer
434 views

Chromium display is remanent since 14.04 upgrade with gpu acceleration enabled

Since I updated ubuntu to 14.04, I have some issue with chromium, the display is remanent when switching virtual desktop or appear when the application is minimized. I found that the issue is ...
2
votes
0answers
70 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
287 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
205 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
votes
0answers
275 views

Radeon HD 7990 in Ubuntu 12.04 and above

I suppose this is a simple question... Will a Radeon HD 7990 dual gpu card work properly in Ubuntu 12.04 and above? I've tried searching the net to no avail unfortunately. The price of the top of ...
2
votes
2answers
2k views

Screen brightness stuck on max setting, FN+down only brings it down one level

EDIT: Updating to Ubuntu 13.10 solved this issue for me out of the box. I'm trying to get some control over the brightness of my Samsung QX411 (Integrated Intel graphics) on Ubuntu 3.04 (though I ...
2
votes
0answers
133 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 ...