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

learn more… | top users | synonyms (1)

0
votes
1answer
9 views

Where to store calibration files for a custom Linux device driver

I've been writing a Linux device driver for some measurement devices I'm attaching to my Raspberry Pi. I've created my kernel module and an application to access the character device driver, but the ...
2
votes
1answer
1k views

Connection error for linux webcam driver for matlab

This might seem like a duplicate post, well yes it is, but I have a different problem compared with the duplicate version of it. My value for imaqhwinfo gives me: InstalledAdaptors: {'dcam' ...
0
votes
2answers
20 views

usb wifi adapter using ath9k_htc not working on linux

I have a TL-WN821N wifi adapter that is supposed to work using purely free software. It used to work when I used the Trisquel linux distribution but now when I have switched to Debian it does not ...
0
votes
0answers
15 views

Synaptic Driver not working after focaltech-dkms fix install on Mint

I'm running Mint cat /etc/*-release DISTRIB_ID=LinuxMint DISTRIB_RELEASE=17.2 DISTRIB_CODENAME=rafaela DISTRIB_DESCRIPTION="Linux Mint 17.2 Rafaela" NAME="Ubuntu" VERSION="14.04.2 LTS, Trusty Tahr" ...
7
votes
2answers
4k views

Attaching USB-Serial device with custom PID to ttyUSB0 on embedded

I'm attempting to get an FTDI USB-Serial device with a custom PID to automatically (or even manually) attach to ttyUSB%n, without much success. The device's normal VID/PID is 0403/6001. When ...
2
votes
1answer
2k views

RT3290 Wireless still not working

I've been trying to get my wireless working for two weeks now. I have 1814:3290 wireless card. I am on Linux Mint 14 64-bit. I have tried all the suggestion on here: ...
6
votes
2answers
5k views

How can I get xrandr to detect both nvidia cards: 2 x GTX480, triple-head?

I am running Linux Mint 16 (Petra) I am running the default driver nvidia-319 shipped with the distro I have 2x GTX480 cards I have 3 monitors Using the Nvidia driver, all monitors and GPUs are ...
5
votes
1answer
4k views

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 ...
0
votes
0answers
48 views

Why do SSL negotiation fail on Linux? (Asus P5S-MX) (but worked on Windows7)… FIXED, but UNRESOLVED

Can anyone tell give me hints to why the web requests fails in these wireshark/tcpdump traces ? (and perhabs hint to why a linux distro would start with SSLv3 as starting point) I a noob when it comes ...
2
votes
3answers
11k views

AMD Drivers make Linux Mint 17 Cinnamon crash

I just installed Linux Mint 17 Cinnamon on my Samsung Series 5 netbook (dual boot with Windows 8.1, which I reinstalled myself). The first boot worked fine but I then installed the package ...
0
votes
0answers
7 views

Emulate Bluetooth LE Adapter for Acceptance Testing

I'm developing an Android app that captures Bluetooth LE signals and I'm a big fan of test driven and behaviour driven development. So, I want to develop my app by using TDD and BDD. When it comes to ...
1
vote
2answers
2k views

How to Install Broadcom Corporation BCM4312 Driver onto Linux Mint

I had just recently downloaded Linux Mint onto my computer, and I downloaded a 64-bit driver for wireless, but I don't know how to install it. I've never used linux before now, and the person who ...
0
votes
0answers
3 views

usb_buffer_alloc, kmalloc, usb_alloc_coherent error writing USB Device Driver [migrated]

I'm writing a USB Device Driver for simple communication with an FPGA (UART / USB) and I intend to end this available for use in the Linux community. Introduction to the problem: I wrote my code and ...
0
votes
1answer
48 views

Driver for Broadcom 14e4:43ba chip

I just got a Macbook Pro 12,1 which comes with the Broadcom 14e4:43ba chip (output from lspci -nn -d 14e4:). What I've tried First, I built the latest kernel (4.1.6) from source. According to this ...
0
votes
1answer
38 views

[Linux Debian 8]: Driver Installation asks me to insert a disc

So I recently installed Debian 8 and am currently trying to get the software configured with my NVIDIA video card. The official Debian page instructed me to do this: Add deb ...
0
votes
0answers
26 views

Repairing Nvidia drivers on Ubuntu

So I recently installed Ubuntu onto my laptop and everything was working fine except for one thing I noticed that my games were running brutally slow, so I asked my friend for advice and he suggested ...
3
votes
2answers
11k views

Missing “version.h” when installing fglrx

I have downloaded the fglrx driver installer from the ATI drivers page. when I start the installation, everything goes smoothly until I hit an error message, telling me to check ...
48
votes
11answers
4k views

What's the philosophy behind delaying writing data to disk?

In Linux, a finished execution of a command such as cp or dd doesn't mean that the data has been written to the device. One has to, for example, call sync, or invoke the "Safely Remove" or "Eject" ...
0
votes
0answers
7 views

Registering virtual SPI master device

I need to create a virtual SPI master device. Having a proprietary solution that communicates directly with a sensor using SPI I want to move the sensor away. To do so I want to create a kernel ...
0
votes
0answers
14 views

Display Drivers in Fedora

I am using Fedora 22 and having problems with my Nvidia GeForce GTX765M driver. I cannot adjust my laptop screen brightness and cannot output video from hdmi. I did a little research here and on ...
0
votes
2answers
843 views

Realtek drivers prevent detection of eth1 interface?

Here's the situation: I had a working network setup on my Debian box, with two Ethernet interfaces being reported by ifconfig - eth0, and eth1. eth0 is an onboard Realtek NIC, and eth1 is a D-Link ...
0
votes
0answers
15 views

Troubleshooting radeon drivers in Debian vs. Trisquel vs. Ubuntu

Using an ATI 5770 on a 2560x1440 monitor. When I first install Ubuntu 14.04 I'm given the full 2560x1440 resolution. It says it's using the free drivers and that closed source ones are available. In ...
0
votes
0answers
16 views

scripts/checkpatch.pl: Warning: consider using a completion

I'm currently writing a kernel driver that involves moving large amounts data from userspace to or from a peripheral, via a ring of bounce buffers. The buffer completion callback ups a semaphore, and ...
1
vote
1answer
38 views

D3100 Dell docking station

So I got my Fedora 22 as I finally decided to switch from Fedora 20 ( been using it forever, found it kinda hard to detach ) The problem is that I bought my new docking station for multiple monitors ...
6
votes
1answer
2k views

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 ...
6
votes
2answers
3k views

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 ...
0
votes
0answers
21 views

Should I concern about Linux driver for headset?

I was thinking about buying Logitech G430 headset. However, the producer mentions windows operating system only. As my personal experience even if only windows garbage drivers(or I call them fancy ...
0
votes
1answer
16 views

How can I install my network driver on Debian from a USB media?

Here's my typical workflow for installing Ubuntu/Mint: 1) Boot from a USB stick with Live installation 2) Install, reboot 3) Use my USB network adapter which is supported by Mint to get internet 4) ...
0
votes
1answer
24 views

how to set i2c bus to soc audio codec

I'm working on an audio codec driver for cs4245 device. It's controlled by i2c. I have 2 hardwares (devel-board), one of the them has the codec attached to i2c-1 and another to i2c-2. The first one is ...
0
votes
0answers
6 views

“[unixODBC][Driver Manager]Data source name not found, and no default driver specified” When using Teradata ODBC Drivers

I am running a PHP script on a RedHat server using Teradatas ODBC drivers. <?php $conn = odbc_connect("Teradata", "username", "password"); $result = odbc_exec($conn, 'SELECT count(*) FROM ...
0
votes
0answers
46 views

“Couldn't find synaptics properties. No synaptics driver loaded?” after reboot. Scrolling doesn't work

I'm using Linux Mint 17.2 "Rafaela" - Cinnamon (64-bit) on an Acer Aspire v3-571g. I was at kernel 3.16.0-38 (3.16.7-ckt10), but updated to 3.19 trying to solve this problem without it helping. ...
0
votes
1answer
1k views

How to troubleshoot and fix Wifi driver on Wandboard DUAL?

Environment Wandboard DUAL C1 Ubuntu Trusty using these instruction Issue I was able to install Ubuntu Trusty and I am failing to get the Wifi driver to work. root@ubuntu-armhf:~# uname -a Linux ...
0
votes
0answers
57 views

module verification failed: signature and/or > required key missing - tainting kernel

I am a newbie in Linux device drivers. I got some problem after installing the driver, which was written by me. The driver is working fine in all functional aspects, but it is is giving one warning ...
0
votes
0answers
43 views

Terminal login screen after installing NVIDIA drivers

On Debian 8 Jessie I installed NVIDIA drivers according to the following article: NvidiaGraphicsDrivers: Debian 8 "Jessie" After everything finished, it told me I should reboot. OK, I rebooted. But ...
2
votes
1answer
42 views

Who decides there is mouse pointer or touch screen present?

I have installed a touch screen film which is connected via USB and it is recognized as a mouse device. Hence, I can not swipe on a web page. It clicks and selects or clicks and drags something on ...
0
votes
0answers
16 views

Generic PCL 5 printer prints garbage on first page

I have an RPi hooked up to my Dell 1720 printer, with a Generic PCL 5 Printer - CUPS+Gutenprint v5.2.9 driver running the thing. When I go to print, nine times out of ten the first page is garbage. It ...
2
votes
1answer
1k views

Debian stable dual monitor problem

I installed Debian wheezy with XFCE 4.8 on my new laptop, updated the kernel to 3.13 from backports. When I connect the laptop to my monitor, I can see only a part of the screen on the monitor with a ...
1
vote
0answers
29 views

WiFi connectivity keeps dropping

When using the internet, especially on sustained downloads, my internet connection keeps dropping, while my WiFi does stay connected. In dmesg I can see a lot of this: [ 3583.785369] brcmsmac ...
0
votes
2answers
2k views

Installing AMD Radeon HD 7400M series fedora 20

I just installed fedora 20 on my second pc and its running pretty hot, I found a driver on the site http://support.amd.com/en-us/download/desktop?os=Linux%20x86_64. And i unpack it and i try sh sudo ...
0
votes
0answers
28 views

Acer Aspire touchpad not detected

I have been searching for days and can only find threads about the touchpad not working or not being enabled but it seems Kali cannot find it all. I have both Windows and Mint and the touchpad works ...
0
votes
0answers
21 views

Can't adjust screen brightness on ThinkPad W530

I can't adjust screen brightness using keyboard (Fn+F8 and Fn+F9) on ThinkPad W530 when I'm using integrated graphics card. When I switch back (in BIOS) to Discrete graphics card, which is Nvidia ...
1
vote
1answer
611 views

Determine whether kernel built-in driver supports a device

I'm trying to find a way to accurately determine whether all the hardware on some system has a valid driver installed either via a kernel module or built-in to the kernel. I'm working with RHEL 5.5 ...
1
vote
0answers
54 views

How to get the Adaptec 1200A to work under Linux at UDMA/100 (instead of 66)

A while ago, I got myself a used Adaptec 1200A controller card to keep my onboard slots free for easier connect/disconnect of drives and now I am wondering why this card will only operate at UDMA 66. ...
0
votes
1answer
41 views

Linux Userspace PCI driver options? (uio_pci_generic)

I have a Xilinx FPGA PCIe end-point on the PCI Bus. Linux picks up the device just fine and everything in lspci looks perfect. My question is about PCI access options from user-space and what would ...
0
votes
0answers
46 views

Wifi driver on Kernel 4.x

I've upgrade my kernel from 3.19 to 4.1.5 but the Wifi driver don't work. Does anyone know how I can make it work? I've tried a few methods but it doesn't work. First method I've tried was to try ...
1
vote
2answers
14k views

Cinnamon crashed after nvidia drivers installation

I have installed Linux Mint 15 Cinnamon and I have installed Nvidia drivers using this question. After rebooting the system this message appeared: Cinnamon just crashed. You are currently running ...
0
votes
0answers
14 views

How to compile a third party driver in to the kernal? [duplicate]

I am using Linux Mint 17.2 on Toshiba c640. As my LAN driver is no more functional, I am using a USB to LAN converter which was provided with some driver installation files. Every time i want to use ...
1
vote
0answers
65 views

How to compile a third party driver into the kernel?

I am using Linux Mint 17.2 on Toshiba c640. As my LAN driver is no more functional, I am using a USB to LAN converter which was provided with some driver installation files. Every time i want to use ...
2
votes
1answer
246 views

Webcam Device Driver to support H.264

I have a Creative Live Cam Connect HD (id: 041e:4093) and this webcam has an on-board H.264 encoder. Unfortunately v4l2 only inputs the feed as MJPG. $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT ...
0
votes
2answers
46 views

Debian on a brix. LAN card drivers

Im trying to install debian(debian-live-8.1.0-amd64-gnome-desktop+nonfree.iso) on a brix(gb-xm12-3227). Gigabyte GB-XM12-3227 BRIX / Ultra Compact PC kit Debian AMD64 ISO Using Rufus i ...