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

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1
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3answers
9k 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
301 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
261 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
449 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
161 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 ...
2
votes
0answers
236 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
0answers
278 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
1answer
8k 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
92 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
359 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
265 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. ...
1
vote
0answers
125 views

How do I install the proprietary drivers for 650 ti BOOST

I just installed ubuntu on my newly built computer and wanted to use the proprietary drivers for my 650 ti BOOST. When I open the addtional drivers program it searches for available drivers but ...
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
587 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
102 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
925 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
38 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
1k 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
144 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
148 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
21 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 ...
1
vote
0answers
825 views

/usr/share/apport/apport-gpu-error-intel.py - Another case of this issue on 12.04 update

I am aware that this has already been reported in various places, I've searched using the forum and the 'similar questions' but I've not seen any solutions as of yet. Hopefully this question will aid ...
0
votes
1answer
988 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
0answers
654 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
150 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
857 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
294 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
144 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
479 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
576 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
97 views

Temperature soars when glxspheres is off-screen

My laptop Samsung RF511 is overheating. I noticed this problem while playing minecraft: my computer would suddenly shut down. I checked /var/log/kern.log and sure enough the system reported ...
1
vote
0answers
536 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
549 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 ...
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?
1
vote
1answer
64 views

How can I fade the screen to black?

I've got an Ubuntu setup with OpenBox, and I'm just using it to play various media using vlc and feh. When switching media I have been "fading out" by using xrandr --brightness to decrement the ...
2
votes
1answer
8k 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 ...
0
votes
1answer
435 views

Is the Atom Z2460 supported?

Couldn't find anything in the component database, I'm mostly worried about the PowerVR GPU it has. There are many Windows tablets using it and I was wondering if I could use 12.04 on it
0
votes
1answer
308 views

How do I undo and install the proprietary GPU driver?

At https://wiki.ubuntu.com/Bumblebee I did steps 1 to 3. However, instead of doing step 4, I did: sudo apt-get install --no-install-recommends bumblebee linux-headers-generic? If one day, I wanted ...
0
votes
1answer
287 views

Is this the right way to enable power saving with Bumblebee?

I am dual booting. Win7 for the occasional game, and Ubuntu 12.10 for everything else. I've got a Nvidia 680m 4GB GPU. At https://wiki.ubuntu.com/Bumblebee If I only want to install bumblebee for ...
2
votes
1answer
166 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
792 views

Does linux support Intel DVMT?

Does Linux (Ubuntu in particular) support Intel DVMT? I've Intel i5-2500K, 8GB RAM with NO graphics card. It has inbuilt 32MB dedicated graphics memory. In my Windows OS, graphics memory is ...
3
votes
1answer
524 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 ...