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

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0
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1answer
131 views

Why is radeontop showing 0,00% in all fields?

I'm trying to get realtime statistics about my graphics card utilization, and the program radeontop is supposed to enable that. However, as you can see in the screenshot below, it reports all the ...
1
vote
1answer
8k views

Ubuntu 14.04 doesn't detect my discrete GPU

I recently purchased a laptop with an Nvidia GeForce 860m, and have installed Ubuntu 14.04. On my old laptop I had 12.04, which automatically filled Additional Drivers with Nvidia drivers. But on ...
1
vote
0answers
59 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
1answer
2k views

How to install drivers to recognize my Intel HD 3000 graphics card? (on Ubuntu 14.04LTS)

I have tried installing the drivers from the offcial linux graphics drivers at the intel page (it was called something like Intel HD Graphics Installer 1.03) but apparently it only works for Ubuntu 13 ...
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0answers
24 views

A newbie question on overclocking [duplicate]

I would like to try my hand on overclocking. The newest NVidia drivers 337.12 (beta) for Linux is according, to Phoronix, "finally [providing] GPU overclocking support for the NVIDIA "Fermi" GPUs". ...
1
vote
1answer
1k views

NVIDIA Screen Tearing problem

Recently I freshly installed Xubuntu 14.04 on my low-end computer. Everything is working fine except that I'm experiencing screen tearing issues while I'm scrolling through a webpage. I thought I ...
2
votes
1answer
631 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
1k 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 ...
0
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1answer
413 views

Ubuntu heat up too much my computer when it uses the integrated intel graphics

My machine is a Lenovo G580 with these specifications: Processor: intel core i7 3520M Graphics: intel core HD graphics 4000 + nvidia Geforce 710M RAM: 6GB I'm on ubuntu 13.04 64 bits and I've set ...
1
vote
1answer
2k views

How to restore Intel HD GPU hardware detection after removing failed NVidia driver

I am running Ubuntu13.10 - I have a Dell Latitiude E6530 laptop, it has an Intel CPU+GPU and also an NVidia NVS 5200M GPU. After having a perfectly fine system running very nicely under the Intel HD ...
0
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1answer
133 views

Looking to change GPUs

I currently have a Radeon HD 7970 GPU installed and I am looking at buying a NVIDIA GTX770. I would like to know if the NVIDIA one is better, in particular to WINE gaming, and Blender rendering I ...
4
votes
1answer
99 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 ...
2
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0answers
93 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 ...
1
vote
1answer
1k views

Nouveau GPU lockup error while updating [closed]

Installed Ubuntu, updates installed. Clicked in the search lens, then the It hung there for about 15 minutes and then got out, :
0
votes
3answers
82 views

GPU Temp is weird?

I am not sure if this has anything to do with it but I just upgraded my kernel in Ubuntu 13.10 from 3.11.0-15 to 3.11.0-17. I never thought about temperatures before but I just decided to download a ...
0
votes
1answer
638 views

Ubuntu 13.10 Amd Radeon HD 4870 No Drivers or Fglrx tools

I recently upgraded from Ubuntu 12.04 to 13.10. I have a AMD Radeon HD 4870 Graphics Card. On 12.04 I used AMD Proprietary drivers from their website and had no problems but since switching to 13.10 ...
1
vote
1answer
4k 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
305 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
298 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
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0answers
204 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
396 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 ...
12
votes
1answer
20k 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
132 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 ...
2
votes
3answers
19k 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
368 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
321 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
456 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
172 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
276 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
3k 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
307 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
11k 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
98 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
449 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
304 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
5k 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
718 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
116 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
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 ...
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
42 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
150 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
168 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 ...