A device driver or software driver is a computer program allowing higher-level computer programs to interact with a hardware device.

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Unable to reconnect to a WiFi network on Fedora 20?

Problem After leaving my Fedora 20 laptop running overnight, I open it back up and it prompts me to re-enter the password for my home WiFi network. The password is already typed in and censored, but ...
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VDPAU library not found

I want to try this VAAPI backend for VDPAU. I have compiled mplayer with vdpau in Gentoo Linux (amd64) but I get this error: Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object ...
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623 views

Would someone please explain lspci -vv output?

I have the following output from running lspci -vv -s 00:00 on my single board computer running Linux. 07:05.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 03) Subsystem: Adaptec ASR-2230S + ...
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How to find the best monitor resolution and put it to work? Fedora

In this question I'm asking how to install a compatible driver to a Fedora machine, but, the main problem is a bad resolution. So, how can I find the best resolution to my monitor and put it to work? ...
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1answer
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Eye-FI SD Card not working with inbuilt card reader

I am tring to get my cardreader to work with and eye-fi SD card. My System is as follow: #uname -a Linux computer 3.2.0-0.bpo.2-amd64 #1 SMP Thu Mar 15 20:46:44 UTC 2012 x86_64 GNU/Linux Debian ...
6
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1answer
426 views

Embedded linux LCD not calibrated

I have attached a new LCD to my embedded Linux device and when I run the system I found that it is shifted to the right. (the display starts from the middle of the LCD) I found 2 frame buffer drivers ...
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Xvideo extension not active with the radeon driver

On my computer running Debian squeeze with the radeon driver, the XVideo extension doesn't work (the extension itself is there but the hardware is not supported). xvinfo shows X-Video Extension ...
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2answers
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Enabling 1366x768 resolution in Debian Wheezy on Atom D525 Board

For some reason, when I try to update to a modern version of Linux from Debian 6.0.7 or Ubuntu 10.0.4, I lose most of the resolutions that were available, including the native resolution of the panel ...
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1answer
254 views

Is there a way to determine what kernel version a kernel module was compiled against?

I have recently been playing around with creating kernel modules using some crosstools for an embedded setup. It would be helpful to me in future to have the ability to identify the version of the ...
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How does libusb access kernel stuff?

From what I understand: Generally speaking, a driver runs in kernel space and can be called from user space. Only code in kernel space can call usb low level things / ioctl libusb is a library, so ...
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1answer
385 views

How are drivers for peripheral hardware installed in Linux?

I have acquired a new wireless keyboard, and I've tested it out on both a Windows and a Linux box. It worked on both, but with an initial difference - Windows took a minute or two, to look up the ...
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1answer
243 views

Writing a driver to fool *nix systems about having a GPU

I'm into something about writing a "Mock GPU driver" for *nix based systems. What I mean is that, simply I want to write a driver (Behind X-server obviously) to answer X's API calls with some ...
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2answers
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Capturing key input from events device and mapping it (toggle TouchPad key is unmapped)

I have a Lenovo IdeaPad Yoga 13 with Ubuntu 13.10 Installed. The device has a "Toggle TouchPad" button on the keyboard (F5). The keyboard's F* buttons are reversed (so to get F5, I need to press Fn + ...
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1answer
6k views

How to verify hardware acceleration settings on Nvidia GeForce 9800

How can I verify whether hardware acceleration is available and whether it is enabled for my video card. If it makes a difference I am using Ubuntu 10.04.
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2answers
256 views

What software or drivers do I need to shut off to use `flashrom`?

I have backed myself into a corner with a new system I'm building. The current BIOS is completely broken (it locks up after drawing half the screen if you enter settings during POST, locks up if any ...
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Can hardware be accessed directly from user space?

At work we have some embedded devices controlled by DOS software. I have been tasked with the responsibility of assessing the use of Linux as a replacement OS for DOS on a next generation of hardware. ...
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What's the next step in troubleshooting this wireless connection failure?

I just installed Ubuntu 10.04.3 to dual-boot with Windows. I can connect to the Internet using a wired connection, but not through wireless. The first time I booted, the wireless notification bar ...
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1answer
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Choose at GRUB menu whether NVidia driver should be used

For some games, I need the nvidia-current driver, but when it's enabled, I can't get my work done as it messes up everything. So is there a way I can get two options in my GRUB menu? One wich will ...
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2answers
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ZONE_NORMAL and it's association with Kernel/User-pages?

Above is presented a case where I have only 512 MB of physical memory. What I have read up so far, is that ZONE_NORMAL is mapped to the kernel virtual address space as shown. Essentially I have a ...
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2answers
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Ubuntu 14.04 Nvidia proprietary drivers installation

I require some Help and Guidance in installing NVIDIA drivers on my system with a Dual Intel/Nvidia Graphics Processors. I am currently running Ubuntu 14.04 and i am aware that the OS is in its ...
5
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1answer
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Cinnamon 2.0.14 crashing when a second monitor is enabled with NVIDIA drivers (Mint 16)

Here's the set-up: 2x identical GTX460 cards 1x BenQ 144hz monitor (1920x1080) 1x Asus 60hz monitor (1920x1080) I was told to avoid installing the NVIDIA driver myself and use the ...
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1answer
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Unclaimed device in lshw

I have added in my computer a PCI Express controler card with 2 USB3 ports and 2 sata3 ports. (http://www.ldlc.be/fiche/PB00121886.html). The USB ports are working correctly but the HDD plugged in ...
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1answer
964 views

What's the difference between the drivers r8169 and r8168?

Realtek provides the source code for the r8168 driver which is based on the r8169 driver from the kernel tree if I may believe their source: /* * This driver is modified from r8169.c in Linux kernel ...
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1answer
394 views

Blacklisting Drivers

What does it mean to blacklist a driver in Linux/Unix? How do you go about doing it?
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1answer
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USB 3.0 ports not working

I have a Sager NP8130 notebook with two USB 3.0 ports which I cannot get to work in any linux distros I've tried. The distros I've tried so far are the latest 64-bit (where available) versions of the ...
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1answer
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Usage of inb, inl, inw to access kernel space from user space

What are some user space examples of using inb, inl, and inw to access kernel space in Linux?
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3answers
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Make OpenGL GLX work with Steam client on Debian jessie

I'm trying to install Steam Client on Debian 8 (Jessie) 64-bit because the instructions ask me to (and because I've tried without them and it fails... read on!). In following the instruction I've ...
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2answers
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Ricoh Aficio SP 100su E

After installing a Ricoh Aficio SP 100su E printer (it does scanning as well), I've tried a tenth of the GDI and PCL (5e/6) generic and Ricoh drivers without any success. I've learned from Ricoh that ...
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1answer
642 views

getting an old logitech webcam to work in Linux

I'm trying to get an old Logitech QuickCam Web to work in Linux. There's a kernel module, but the last time it was updated was in 2006 and it doesn't compile against a recent kernel anymore. In ...
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1answer
76 views

Do all devices under Linux have a device node?

I know that each device on Linux is either a char or block or network device. Do all physical devices that exist on Linux have a device node under the /dev directory? I'm not talking here about ...
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1answer
134 views

How can I get this proprietary low-vision camera working in Linux?

I am a visually impaired Computer Science student, and use a special USB camera to zoom in on the board/projector during lectures. The camera only officially supports Windows, and I've been using it ...
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GNOME 3 fails to load (old ATI graphic card driver problem)

I'm delighted to find this version of StackExchange as I normally lurk in the GIS board. I would greatly appreciate help with the following problem (which seems to be quite common - but I am just ...
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What is the state of open-source Poulsbo/GMA 500 drivers?

Currently, a causal browse through a number of Linux distros show spotty Poulsbo drivers at best. Has any headway been made recently towards either convincing Intel to coax the driver source out of ...
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Switchable graphics drivers installation on Linux Mint [closed]

Firstly, sorry if there is something unclear in my question but English is not my native language and I will correct the question if needed. Here is my problem: I have a notebook with ATI RADEON ...
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2answers
399 views

Problem when trying to cross-compile an ethernet driver on an old Linux kernel

I'm currently trying to cross-compile a network driver against an old Linux kernel, in version 2.6.27.7 but the compilation fails and prints: make[1]: entering directory « ...
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1answer
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Getting my Smart Card reader to work on Linux

I got a Smart Card reader, that I ripped from a Laptop the other day. It is an internal Smart Card reader, though it uses USB, so making a cable for it, was no problem. It seems it's recognized by ...
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640 views

How to get infrared image data with sane on an epson v700 scanner?

I have read a number of posts on the topic and it seems that for now it is not possible to use sane to read infrared data (second pass) with my Epson Perfection V700 scanner out of the box. But are ...
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How do I display the name of my audio card driver from the command line in Lubuntu 11.10?

I am running Lubuntu 11.10 and I want to display my Audio / Sound Card Driver from the command line.
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4answers
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Linux on a tegra tablet for programming

I would like to use a tablet for some mobile programming. It would be nice to read a pdf and immediately try the code on the same device. I've found various videos and tutorials how to get Ubuntu ...
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2answers
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How to create .ko files in Linux

I have written one driver for one device in Linux. How can I create (using gcc) a .ko file so that I can insert it into the kernel?
4
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4answers
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Cannot create “Hello World” module (and NVIDIA, and VirtualBox)

First off, the details. BEFORE: kernel: 3.2.0-2-amd64, nvidia driver: 295.59 AFTER: kernel: 3.2.0-3-amd64, nvidia driver: 302.17-3 My Debian wheezy is kept recent at all times. Actually, doing ...
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4answers
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I have an ATI Radeon HD 6300 series video card; what do I use, radeon or radeonhd driver?

I want to install the correct driver for my video card under Debian and I don't know which to install, xserver-xorg-video-radeon or xserver-xorg-video-radeonhd? I've also read some of the ...
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1answer
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Which driver is handling my touchpad?

I would like to know how to determine which driver (out of those below) is handling my touchpad: appletouch.ko.gz, cyapa.ko.gz, sermouse.ko.gz, synaptics_usb.ko.gz, bcm5974.ko.gz, psmouse.ko.gz, ...
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votes
3answers
919 views

How to list all hardware supported by kernel

I want to see all hardware supported by the kernel in use. For example, if I have the 3.8.x.x version of the Linux kernel, how will I know what hardware is supported there. Tools like lspci, lshw, ...
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2answers
139 views

Why do some drivers still require firmware?

There are a ton of reverse-engineered drivers in the Linux kernel tree. Yet some drivers, especially wireless drivers, require firmware binary blobs to run properly. What prevents someone from ...
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Difficulty with mobile broadband device being recognized (registered as CD ROM)

I am running Ubuntu 10.04 LTS on a Samsung n150 netbook. I have bought a vodafone pay-as-you-go mobile broadband dongle. It is a Huawei device. I have *usb_modeswitch* installed. I installed betavine ...
4
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1answer
352 views

Changes to input_get_keycode function in linux kernel (input/input.c)

I'm working on building a kernel module for an input device, and I noticed that in the module source, there's a couple calls to input_get_keycode(data->input_dev, scancode, &keycode); When I ...
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2answers
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Ideas how to get my usb audio interface to work with Linux?

PulseAudio does not appear to recognize the Focusrite Scarlett 6i6 USB audio interface. The 2i2, however, is properly recognized and it works as expected. I can't seem to get the 6i6 to work on the ...
4
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1answer
147 views

Error compiling custom kernel with a new usb serial driver

I have tried compile a driver for my kernel 3.13.0-40-generic. I have also tried compile a custom kernel with this driver but both have failed. The name of the driver is vizzini for Linux ...
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3answers
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How can I find out what kind of wireless card I have from output of lspci

I am trying to install a wireless driver for a new laptop running ubuntu 12.04. If I run lspci I do not see any human readable mention of a wireless card. $ lspci 00:00.0 Host bridge: Intel ...