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33
votes
7answers
48k views

GPU usage monitoring (CUDA)

I installed CUDA toolkit on my computer and started BOINC project on GPU. In BOINC I can see that it is running on GPU, but is there a tool that can show me more details about that what is running on ...
12
votes
2answers
2k views

How to force the fan to always spin?

I am using ArchLinux on an HP Pavilion dv9000t which has overheating problems. I did all what I can do to get a better air flow in the laptop and put a better thermal paste but there is still a ...
7
votes
1answer
712 views

GPU computing without X?

I am attempting to run GPU computation software on Ubuntu Server 12.04 without X since this box is going to be a dedicated computation machine. However the last requirement "Without X" is proving to ...
7
votes
1answer
67 views

How to get the GPU execution time of a script in the shell?

I would like to display the completion time of a script, in terms of GPU time (not CPU). For the CPU, I can simply use time: francky@gimmek80s:~$ time ls -l total 8 drwxrwxr-x 3 francky francky 4096 ...
7
votes
1answer
942 views

Is it possible to use OpenCL on a minimal OS without X?

I'm looking to use OpenCL for Bitcoin mining. Obviously it is technologically possible to use a GPU and OpenCL without X; Windows machines do it all the time. I'm wondering if there is a way to use ...
6
votes
1answer
8k views

How to verify if hardware acceleration is enabled?

How can I verify whether hardware acceleration is available and whether it is enabled for my video card.
5
votes
1answer
1k views

How does X11 forwarding work?

How does X11 forwarding work? I am interested in knowing whether the processing to render graphics is done at the end of the host running the application or the host displaying the graphical ...
5
votes
1answer
43 views

Determine if a graphics card is new

The 1 GB ATI/AMD dedicated graphics card of my Dell Inspiron N5010 laptop failed recently and I got it repaired from a local laptop service center as the laptop is out of warranty. The service man ...
4
votes
1answer
1k views

Can I scale GPU frequency?

My laptop is Thinkpad T400 with Ubuntu 12.04. My GPU is ATI graphics module, if I am not mistaken. I wonder how I can scale GPU frequency? software and/or shell script are acceptable. For cpu ...
3
votes
1answer
332 views

How to assign tasks to GPU

I have found a benchmark from computerbase.de (http://www.computerbase.de/artikel/grafikkarten/2013/intel-haswell-grafik-fuer-desktop-pcs-im-test/3/ in german) where in one case a task (here video ...
3
votes
1answer
288 views

Multi Nvidia GPU overclocking for computations (CUDA)

I have seen in forums and manuals that you have to add Option "Coolbits" "value" to xorg.conf or similar files. I have been able to get this working for the first GPU, the one rendering the ...
3
votes
2answers
2k views

Upgrading OpenGL Drivers

I'm trying to learn OpenGL and most tutorials on the internet only offer guidelines for OpenGL 3.0 and higher. So I looked for my OpenGL version and glxinfo | grep OpenGL yields this: OpenGL ...
3
votes
0answers
10 views

Why I need a framebuffer size larger then monitor size when transform destination area is smaller

I tried to remove 100px left & right the top of a 1366x768 screen (as below) using xrandr transformation. But I got an error about not enough framebuffer size. $ xrandr --output LVDS1 --fb ...
3
votes
0answers
28 views

User-based GPU priority

I have a computer running Linux (Kubuntu 14.04.3 LTS x64), where I use the CUDA toolkit to perform some computations on some Nvidia GPUs. I share the computer with a few other users. How can I define ...
3
votes
0answers
229 views

Guide to set up GPU passthrough

I have been trying for several days now (had to reinstall arch twice during), with setting up GPU passthrough on my pc without success. The hardware is Asus Z97-P Intel I5-4690 AMD Radeon R9 380 ...
3
votes
1answer
219 views

X server with fglrx driver won't responce after exactly 49 accesses to X server

I have Arch linux with minimal amount of packages including xorg group and catalyst. I run X :0 and then run in infinity cycle following monitoring script: while [ true ]; do DISPLAY=:0 ...
3
votes
2answers
7k views

Video acceleration disabled in Mint Linux 15 (Olivia) on an Intel Atom processor

Recently I installed Mint Linux 15 (Olivia) 32 bit on my friends netbook. I am copy pasting the output of sudo lspci -vk 00:00.0 Host bridge: Intel Corporation Atom Processor D2xxx/N2xxx DRAM ...
2
votes
1answer
394 views

What is the GPU driver I am currently running?

I have installed latest nVidia graphic driver via this PPA "xorg-edgers/ppa". Now in Nvidia X server setting showing the driver version is 346.35. But in Ubuntu's Additional Drivers there is no such ...
2
votes
2answers
238 views

GPU computation on Linux using open source kernel drivers

Assuming freedom to choose whichever currently available GPU is most suited for the job, is it currently feasible to do GPU computation (either CUDA or OpenCL) on Linux using one of the open source ...
2
votes
0answers
210 views

Virtualbox and GPU Pass-trough: Device with host PCI address already attached to this VM

I have server with several GPUs. My idea is to attach them to different VMs in order to use that VMs in CUDA (or OpenCL) calculations. My setup: CPU: Intel Xeon E5-2670 GPUs: 1 x Radeon HD 7970 ...
2
votes
1answer
111 views

Multi GPU Supercomputer

I have a supermicro server running ubuntu server 14.04, and I would like to install a Quadro 400 (for display) a Nvidia GTX 295 and a Nvidia K80 however, when I install the driver for the K80 the ...
2
votes
0answers
1k views

How to setup 3 screens with 2 ATI GPU Debian Squeeze

I want to use 3 screens on my computers with 2 graphics card ATI Radeon HD 5450. I've installed fglrx ATI drivers. Here is the result of lspci : root@dev1:~# lspci | grep VGA 01:00.0 VGA compatible ...
1
vote
3answers
7k views

How well will the AMD Radeon HD 7950 gpu perform on Linux?

The time has come for me to upgrade my aging gpu (9800 gt). The AMD 7950 has caught my attention because of the attractive price with pleasing benchmarks. But it is common knowledge that AMD GPUs have ...
1
vote
2answers
940 views

How to get the size of GPU memory available for OpenCL?

How is it possible to get the size of the memory on a GPU, which is available for programs with use OpenCL for computations, such as darktable? I know of lspci which gives some general informations, ...
1
vote
1answer
3k views

How can I tell what version of OpenGL my machine supports on Arch Linux?

How can I tell what OpenGL versions are supported on my (Arch Linux) machine?
1
vote
2answers
517 views

Is mainline Linux kernel capable of GPGPU programming?

The question is simple, is there general purpose GPU support in the Linux kernel? Let me explain in more details since it's too broad of a topic. By the word "capable" I mean native support. That ...
1
vote
1answer
56 views

Should I use KVM or Xen ? What are the main differences? [closed]

I've spent a few hours trying to understand the differences between KVM and Xen without much succes. So both are Type 1 Hypervisors with comparable performances (source) and I don't understand what ...
1
vote
2answers
149 views

Unable to load the kernel module 'nvidia.ko'

On my system I'm unable to install the recommended graphics driver, so something must be wrong with my installation. The GPU chipset is ATI ES1000, but the recommended driver is NVIDIA NVS300 ...
1
vote
2answers
307 views

Remove nouveau driver (nvidia) without rebooting

I have a Ubuntu Version here, that is started from USB as a Live version. I do not want to install it on hdd, because it would be too much for only testing a small thing on Ubuntu. So I started ...
1
vote
1answer
221 views

Is there any way to play gpu accelerated video without X?

You can play use mplayer on fbdev, but not with the gpu. That's as close as I can find.
1
vote
1answer
23 views

Monitoring GPU memory I/O

Is there any way to monitor GPU memory I/O from the shell, with Nvidia graphic cards used with CUDA? I use nvidia-smi to see the current memory utilization, but I would prefer to see the deltas ...
1
vote
1answer
43 views

How to kill all processes using a given GPU?

I use the CUDA toolkit to perform some computations on my Nvidia GPUs. How to kill all processes that use a given GPU? (killing at once, i.e. without having to manually type the PIDs behind kill -9.) ...
1
vote
1answer
142 views

[ERROR]Cannot access secondary GPU…Failed to initialize the NVIDIA kernel module [closed]

I've installed Bumblebee with Ryan McQuen's crazybee.sh script, described here, and I'm actually able to startx successfully now (because Bumblebee uses the on-board Intel graphics by default), but ...
1
vote
2answers
477 views

Any Linux Distros that may work well with intel 965gm gpu? [closed]

My mom's laptop had ubuntu 12.04 32bit and now 13.10. But they both are extremely slow. makes windows xp look super fast. (which was on it before) on askubuntu they said the gpu is the issue. ...
1
vote
0answers
36 views

Is AMD GPU FirePro support enough for Linux's Matlab and CUDA?

I need GPU with CUDA support and open-source community support for FFT computation with Matlab R2015b. I think I need to reject nVidia GPUs because of bad open-source support, here Torvalds about ...
1
vote
0answers
26 views

GPU usage per process on a Linux machine (CUDA)

I use the CUDA toolkit to perform some computations on my Nvidia GPUs. How can I see the per-process GPU usage on a Linux machine (CUDA)? nvidia-smi does list all processes for each GPU, but doesn't ...
1
vote
0answers
26 views

Per-user GPU usage on a Linux machine (CUDA)

I use the CUDA toolkit to perform some computations on my Nvidia GPUs. How can I see the per-user GPU usage on a Linux machine (CUDA)? nvidia-smi doesn't seem to contain information: I am aware I ...
1
vote
0answers
44 views

High GPU usage before starting X-Server

When starting my Debian Jessie, my GPU (ATI 5770) uses a lot of power (it is getting hot), although I am only displaying the terminal. Then, if I start an x-server, the GPU cools down again, also the ...
1
vote
0answers
67 views

How to boot Arch Linux after changing from AMD Radeon HD to Nvidia GTX video card?

After swapping video cards my PC boots into Windows 7 just fine, but Arch Linux gets stuck before entering graphical mode. /var/log/Xorg.0.log contains some message listing all the supported AMD (aka. ...
1
vote
0answers
72 views

multiseat dual gpu, can I have 2 different drivers?

I have 2 radeon 7950, set up my multiseat, everything is working fine. I use the free radeon drivers, and I'm pretty happy except for one thing, I can't test the gpu mining of bitcoins.... I'd like to ...
1
vote
0answers
184 views

How to install graphic capabilities to CoreOs?

I would like to install CoreOs as a base on my desktop machine. Then, I could launch some containers, with eventualy a graphical environnement. So I have to add all the graphic stack: GPU drivers, ...
1
vote
0answers
19 views

Booting with different X settings

My laptop has the Optimus technology. In order to save battery life I run graphics out of my CPU and only turn the GPU on on occasions using bumblebee. This works relatively well as long as I don't ...
1
vote
0answers
73 views

2 monitors on GPU, 1 monitor on integrated graphics

I am on linux mint 17.1 cinnamon. Here is my xorg.conf: http://pastebin.com/6xCncZJ5 I can move my mouse around on the 3 monitors but can not drag the windows over the borders. Cinnamon is running in ...
1
vote
1answer
2k views

My graphic card is not recognized on laptop/debian

My graphic card is not recognized on my laptop with Debian Jessie installed and a Nvidia Geforce GTX 850M. glewinfo tells me it uses Mesa DRI with Intel (OpenGL 3.0) instead of Nouveau with the ...
1
vote
0answers
152 views

Zero graphic card fan speed when no calculations are performed

I have fresh install of ubuntu 12.04.4 LTS and CUDA 5.5 with nvidia-331.20 driver. There are 4 GeForce GTX 780 on board. X runs on integrated card, while Nvidia cards are superposed to do some ...
1
vote
0answers
2k views

Issues with Fedora 20 and bumblebee

I'm experiencing several issues trying to use my Fedora 20 laptop NVIDIA Optimus technology. My system: ASUS N53S Fedora 20 x86-64 3.12.6-300.fc20.x86_64 Kernel Intel Core i7-2670QM NVIDIA Geforce ...
1
vote
0answers
148 views

GPU not listed in lspci after SysRQ reboot

I have my Ubuntu Server machine with XFX 7970 GPU in it, and sometimes, when ATI driver fails, I have to reboot it manually. When I'm trying to reboot the machine using SysRQ, the system reboots ...
0
votes
1answer
538 views

Use Linux without a GPU [closed]

Is it possible do have basic (even just console) graphics on Linux, but without using the GPU (which, in this case, is fried and not replaceable)? Or would such a computer be limited to non-graphical ...
0
votes
2answers
104 views

How to log GPU load?

I wonder how to log GPU load. I use Nvidia graphic cards with CUDA.
0
votes
1answer
73 views

Install Mesa to home folder and make applications use it from there

I'm trying to help debug an issue with Mesa and the llvm r600 shader compiler, and would prefer not to install the test compiles of these packages system wide. My question therefore is: How can I ...