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2
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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 ...
0
votes
2answers
689 views

ffmpeg: nvenc mit crf option - very low bitrate

I bought a new computer some time ago.. I installed nvenc for ffmpeg to encode my videos with the h264 codec. To optimize i used the -crf option but something went wrong.. I want to encode a full ...
3
votes
1answer
64 views

accelerated HTML5 video: what hardware is supported well by Linux?

After many, many, many failed attempts to get accelerated HTML5 video working on any hardware (tested about 5 machines) I came to the conclusion that accelerated HTML5 is something difficult under ...
3
votes
1answer
246 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 ...
0
votes
1answer
40 views

Driver install neccessary on ThinkPad with two GPUs?

Im not that new to Linux but just used it the last years for server and/or testing most often in VMs. Now Ive just got a new ThinkPad and I want to use debian as a native install. My notebook: Lenovo ...
0
votes
1answer
89 views

How to use the proper video driver on Scientific Linux 6 for Display Port screens?

I am working with (one of) my workstation(s) working under Scientific Linux 6, so, basically a quite old version of Red Hat Enterprise Linux. I would need to use 2 screens, but only have 2 DisplayPort ...
3
votes
0answers
75 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
65 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
301 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 (...
2
votes
0answers
277 views

nvidia-smi hangs indefinitely: what could be the issue?

I try to run nvidia-smi from the shell on a machine, but it hangs indefinitely: what could be the issue?
2
votes
0answers
393 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
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
0answers
10 views

Multi GPU Compiz?

Is it possible to enable OpenGL compositing in multi GPU setup? I have Quadro 4000 and GTX580. Atm I'm using xinerama and 4 X servers but it doesn't support Compiz. On the other hand I can't find a ...
1
vote
0answers
19 views

Attempting to use OpenCL with Nvidia on Arch Linux

I have an Nvidia Quadro 400 GPU. In order to use OpenCL, I installed the following packages: nvidia-340xx nvidia-340xx-libgl nvidia-340xx-utils opencl-nvidia-340xx ocl-icd opencl-headers pyopencl-...
1
vote
0answers
49 views

Why do interrupted processes show up in nvidia-smi?

When ‚ÄčI kill processes in terminal using C-c and run nvidia-smi, the process are still shown as "compute processes". These processes are no longer in the top resu‚Äčlts. I have to kill -9 to clean them (...
1
vote
0answers
153 views

Installing Mali Drivers? (ArchLinuxARM)

I've recently gotten hold of an ARM-based Chromebook C100P. After successfully installing ArchLinuxARM, I've struggled to enable the Mali-T764 GPU. The recommended drivers for the device, (xf86-video-...
1
vote
0answers
49 views

Why nvidia-smi's GPU so rarely reaches 100%?

I have logged the GPU utilization of my 3 GPUs (GeForce GTX Titan X) for 5 days with nvidia-smi, every 10 seconds. The GPUs were all being utilized: I count 1307 occurrences of 99 % while only 8 ...
1
vote
0answers
120 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
78 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
67 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
50 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
195 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
38 views

how to stop GPU NVIDIA calculation

I'm currently into learning using NVIDIA for parallel calculation. Sometimes I run too many tasks in parallel and my computer stops responding (I use both CPU and GPU for calculations). So, I cannot ...
1
vote
0answers
261 views

How to switch between GPUs on Mint 17.2 ASUS laptop?

I'm new at working with laptops and Linux as system for everything. I have small problem, I don't know how to check, and change if somethings is wrong, which gpu is used in games. I have NVIDIA ...
1
vote
0answers
94 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
2k views

Debian 8 Jessie and NVIDIA drivers

I am in the process of installing Debian 8.0 on a laptop with NVIDIA graphics cards. After a successful installation and reboot I use this guide to install the proprietary NVIDIA drivers; essentially ...
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
87 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
0answers
176 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
160 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
0answers
37 views

CUDA Installation only works with some programs

CUDA 7.5 on linux mint - current installation works perfectly well with MATLAB, now trying to run some GPU code from python and python can't find nvcc. CUDA is installed at: /usr/local/cuda-7.5/ ...
0
votes
0answers
19 views

Is there a way to specify gpu priority per process?

We have niceness value on Linux, which ~means CPU priority (PR = 20 + NI). We can increase niceness for heavy task, decrease it for main task etc. But is there an analogue of niceness, but for GPU?
0
votes
0answers
161 views

GPU Passthrough with qemu - no video output (AMD 7970)

I am trying to setup GPU passthrough on Arch. I followed the PCI passthrough via OVMF wiki along with some other resources online. I substituted a few steps as needed, for example I am using systemd-...
0
votes
0answers
66 views

Debian Switch between gpu

I'm not very expert in Linux. Trying to use Linux for everyday use instead of windows to learn it more. I'm using Debian jessi and primarily use integrated GPU. But Sometimes I need to connect a ...
0
votes
0answers
61 views

Building Mali kernel modules on mainline Linux

Suppose we have an ARM board running a mainline Linux kernel. The system works otherwise, but has no GPU acceleration available. Is there something that would prevent me from building and modprobing ...
0
votes
0answers
22 views

Possibilty of DisplayPort over PCIe

I'm trying to figure out if it would be possible to add a DisplayPort to my Linux PC using a PCIe slot. I have found cards like http://www.ebay.com/itm/PCI-E-1x-Express-to-USB-3-1-Type-C-Dual-Port-...
0
votes
0answers
15 views

Linux Mint & t420s

I have installed Linux mint 4.3 64bit and it seems to run without problems out of the box. I notice a highly increasing of temperature while watching movie via youtube or some website where it has to ...
0
votes
0answers
66 views

OpenCL with NVIDIA - Segmentation Fault

I've been struggling to get OpenCL working on my Linux Mint x64 machine. Specifically, any OpenCL program that I write or use seems to encounter a "segmentation fault" during certain methods that come ...
0
votes
0answers
29 views

List the GPU utilizations for each screen

How can I list all screens launched with screen along with their GPU utilizations? (screen -ls gives the lists of screens but not their GPU utilization) By GPU utilization of a screen, I mean the sum ...
0
votes
0answers
15 views

Can I start a service with optirun?

I have a laptop with two GPUs (Intel and NVidia) so I have to use Bumblebee (via optirun) to use my NVidia GPU with some applications. I would like a service, which can be found in /etc/init.d, to ...
0
votes
0answers
61 views

Zorin OS 9 (potentially) not detecting my GPU and monitor stopped displaying 1080p

I recently installed Zorin OS 9, which is based off of Ubuntu 14.04 LTS. I also have an PowerColor Radeon R9 270 TurboDuo installed. When I first got the PC to work, the monitor displayed 16:9 1080p ...
0
votes
0answers
62 views

Lubuntu: fullscreen image moved to the left

If I run DOSBox or LTris fulscreen on Lubuntu, the image is moved to the left. This happens both with open-source drivers and NVIDIA drivers. My GPU is: Gigabyte Geforce 8500GT What could be wrong? ...
0
votes
0answers
44 views

Gpu rig, possibilities

My plan is to buy old and cheap graphic cards on the internet and build a gpu rig for password cracking. I have been playing around for some while with OpenMPI and I love the fact that its possible ...
0
votes
0answers
432 views

Dual Monitor with integrated and discrete GPU on Debian

I've got an Asrock Extreme 3 motherboard and a Nvidia 660ti GPU. I was trying to configure dual monitor on debian 7 connecting one monitor to the mb and the other to the GPU. This configuration works ...
0
votes
0answers
471 views

server is going to hung state

We are using a Linux server which is hanging. From the log files we found the following error. Sep 30 21:15:41 hdfcdb kernel: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung ...