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

learn more… | top users | synonyms

1
vote
1answer
3k views

Haroopad not starting and prompt of “NVCtrl extension does not exist” message

I installed Haroopad on my Ubuntu GNOME 13.10 system. I had to change some symbolic links in order to make it work. However after I've closed it, I tried to run it, but I'm getting this message: ...
1
vote
1answer
2k views

GPU overheating with the open source radeon driver

I recently installed Ubuntu 13.10 on my desktop and would really like to keep using the open source drivers for my RadeonHD 6970 graphics card. However, during boot and after startup, the GPU ...
0
votes
1answer
234 views

Ubuntu Hangcheck timer elapsed… GPU hung [closed]

I am using Ubuntu 12.10 64bit on a 4 month old manufacturer constructed Gateway PC bought from best buy. The screen has gone dark and this error appears on the screen: [509156.065626] ...
1
vote
1answer
283 views

Mining feathercoins in ubuntu?

I would like to get started on mining some feathercoins but I have no idea where to start. Does anyone know a good guide on how I can set up a feathercoin wallet and then mine them with my gtx 760? ...
1
vote
0answers
188 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
1answer
1k views

Best graphics driver for HP Laptop with Switchable Graphics? [duplicate]

I'm planning to dual boot my laptop with Windows 7 and Ubuntu 13.10. I'm using an HP Pavilion DV6-6140tx laptop, which is packed with AMD 6770M 1GB GPU. For windows, I'm using a third party AMD CCC ...
2
votes
3answers
343 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 ...
0
votes
1answer
1k views

Problem with Nvidia drivers for K20, C2070 on Ubuntu 12.04

My Desktop has the following configuration, Processor: Intel Core I7-4770K 3.5 GHz Mother board: MSI Z87-G43 64GB DDR3 Intel Motherboard GPUs: NVIDIA Tesla K20, NVIDIA Tesla C2070 and with 32 GB ...
11
votes
1answer
13k 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 ...
1
vote
0answers
121 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, ...
0
votes
1answer
4k views

How to configure cgminer to mine with the CPU?

I installed the cgminer to try to get into a bitcoin mining pool, but I have no GPU. I know that mining with the CPU is not very eficient, but I want to know how to configure cgminer to mine with the ...
1
vote
1answer
3k views

GPU option is missing in Blender 2.69

I am new learner of blender3D. I installed Ubuntu two days ago, and was struggling installing my nvidia and blender on new OS. After more than 15 times fresh installation and following help forum I ...
1
vote
3answers
13k 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 ...
2
votes
0answers
326 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 ...
0
votes
1answer
287 views

Default GPU after installing Ubuntu

What GPU will ubuntu use by default? if i havent installed drivers for my nvidia card? (I have HD4000 and nvidia gt730m)
1
vote
1answer
452 views

ubuntu 13.10 radeon.dpm=1

Does radeon power management work out of the box on ubuntu 13.10 by putting radon.dpm=1 on the kernel boot parameters or do I need also to update the firmware files ?
1
vote
1answer
165 views

Graphic Card wont let me install Ubuntu

I am new to Ubuntu, never used it and wanted to try the new 13.10, I downloaded the 13.10 x64 version and made and bootable usb drive, after I boot the pc with the drive in and select try Ubuntu ...
3
votes
0answers
262 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 ...
1
vote
1answer
2k views

Can´t use Nvidia GPU?

Could somebody please explain to me how I use my 740M GPU from Nvidia instead of the HD4000 form Intel? I am using Ubuntu 13.04 on a Asus N56VB
2
votes
1answer
287 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 ...
8
votes
2answers
9k 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 ...
1
vote
2answers
96 views

Is my GPU working?

If I boot to Ubuntu and lspci shows drivers for my GPU, does this mean it's working? I have tested performance using Globs and my scores averaged around 58 FPS. I'm having issues getting it to be ...
0
votes
1answer
405 views

Brightness Control In Samsung RV 509 [duplicate]

I have recently installed Ubuntu 12.04 on my Samsung laptop RV509 with Nvidia grahics card but brightness remain unchanged. How can I make the brightness control work?
5
votes
1answer
288 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. ...
7
votes
2answers
3k 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, ...
0
votes
1answer
662 views

How do I detect my GPU after fresh install?

Sorry if this has been asked already, I've checked all over but didn't find anything related to my problem (at least specifically, also, I'm a newbie). Anyway, here goes, I recently had to reinstall ...
3
votes
1answer
112 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 ...
4
votes
1answer
968 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 ...
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 ...
0
votes
1answer
41 views

How to get rif of GPU hangups?

My Ubuntu os shows always GPU hangup i dont know to slove this??? Can anybody help me?? I am using Ubuntu 12.10 OS. My computer configuration is I5 and 4GB RAM.
2
votes
1answer
9k 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 ...
0
votes
2answers
2k views

Sound doesnt work, after installing GPU Ubuntu 13.04

I had a Radeon 4670 that I replaced, with an Nvidea GeForce gtx460. Now My sound doesn't work. I figure it was a driver issue, so I installed the manufacturers recommended driver, but it still ...
0
votes
1answer
148 views

Gnome 3.4 partially or totally freeze [duplicate]

I'm using an Ubuntu 12.04 LTS. Since, I discovered that there are other desktops on Ubuntu, rather than Unity, I installed Gnome 3.4. But it freezes time by time, when I run many applications or ...
2
votes
0answers
157 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 ...
0
votes
0answers
22 views

Installing Drivers from ATI Website? [duplicate]

When I click About This Computer -> Graphics, it shows none. Also the fan of my Laptop is always on even though CPU usage is below 5%, hence it is wasting tremendous amount of electricity because the ...
0
votes
1answer
1k views

GPU lockup on nvidia GeForce 8200m G

I have recently installed 12.04 LTS on an old Toshiba Satellite A215 which works just fine. I am attempting to load Ubuntu on an MSI CR600 with a GeForce 8200m G video controller (I am trying to dump ...
5
votes
1answer
921 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 ...
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 ...
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 ...
1
vote
0answers
157 views

limitations when computing on CUDA GPU, Ubuntu shut down

I have created project in C++ for CUDA GPU. it runs OK, I tried for 1 000 000 paths for 512 european options, then I increased the number so loop took longer and longer (but still few seconds), but ...
1
vote
2answers
877 views

Ubuntu 12.04 + Intel GPU: random freezes

I have a ThinkPad T420 with Intel Graphics, and an external monitor through DisplayPort. I was running 12.10 with no problems, but 2 days ago, after an update, my system started to crash with no ...
2
votes
0answers
315 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 ...
1
vote
0answers
23 views

Ubuntu 12.04 not recognizing the graphic card [duplicate]

I just installed an Ubuntu 12.04 64bit on my laptop which has this graphic card: Nvidia Geforce 610M 2GB but the output of lspci | grep VGA is this: 00:02.0 VGA compatible controller: Intel ...
0
votes
1answer
155 views

What does it mean that my GPU is running 0 ops per second

I am currently running an Ubuntu 12.04 laptop built by System76. I fired up powertop, which I do frequently because my battery life on this machine is attrocious, and I noticed a line at the top ...
0
votes
0answers
30 views

GPU Driver Problem [duplicate]

I installed wubi 12.04 LTS. After restart, ubuntu says its starting for the firts time and gives an error: "stopping system v runlevel compatibility[OK]". Then monitor starts to go black and come back ...
1
vote
1answer
487 views

ubuntu 12.10 high temperature

i have an hp g6 with ubuntu 12.10 (64), when i watch a flash in full screen or play even a small ubuntu game like chess, the temperature goes to 80-90 degrees, normal browsing temperatures 64-70, i ...
0
votes
2answers
592 views

Ubuntu 12.04 Installation problem

I have a GTX580 and I installed Ubuntu 12.04 using the nomodeset option. Now when I start the PC, in the login screen I can't move my mouse and then a black screen appears and the following message ...
1
vote
0answers
567 views

How to fix “gpu lockup” error, Ubuntu froze after install [closed]

I installed Ubuntu dual-booting alongside Windows XP. After completing the install and rebooting, the machine froze, with this error message: GPU lockup- switching to software fbcon Failed to idle ...
0
votes
1answer
571 views

GPU fan spins like crazy in 12.10 on HD 6870

I installed Ubuntu 12.10 yesterday on my computer and everything is working fine apart from my GPU fan. For some reason, it spins to what sounds like 100% and just stays there no matter what I do. I ...
0
votes
1answer
24 views

How do I prevent Ubuntu from upgrading?

I've been struggling with this bug the whole day. I've managed to install following the first workaround proposed, but after I install the nvidia-current drivers I end up in a small 640x480 screen and ...