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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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" ...
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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 ...
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6 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 ...
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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 ...
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1answer
35 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 ...
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23 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 ...
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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 ...
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13 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 ...
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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 ...
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14 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 ...
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15 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 ...
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1answer
36 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 ...
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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 ...
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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) ...
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5 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 ...
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11answers
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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" ...
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45 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. ...
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1answer
23 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 ...
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53 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 ...
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42 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 ...
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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 ...
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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 ...
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1answer
41 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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1answer
24 views

wpa_supplicant unable to set essid and other parameters from config file

I'm not able to use wpa_supplicant to set the essid and other parameters on the wireless interface. Using -Dwext throws ioctl[SIOCSIWENCODEEXT] $ sudo wpa_supplicant -B -i wlan0 -Dwext -c ...
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1answer
39 views

How does Linux kernel know that collisions occurred in Ethernet collision domain?

Let's say that I have a following network topology: Theoretical total(Tx + Rx) bandwidth for all four hosts in total is 100Mbps. Now if I execute Iperf in UDP mode in all four hosts simultaneously ...
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1answer
54 views

steam opengl glx extension not supported by this display nvidia drivers

So this is a story of me being dumb. I got a used desktop from work and wanted to put debian on it.I did and then I wanted to install Steam.I did that. Now here is where the dumb part starts. I have ...
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1answer
25 views

Left-Click not working in OpenSUSE

I just installed OpenSUSE on a dual boot setup with Windows, and it works absolutely perfectly. All devices work out of the box, except for the touchpad. Left-Clicking doesn't work but tapping does. I ...
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1answer
52 views

Installing Windows Logitech drivers for Logitech Gaming Software on Linux Mint

I ran the official installer on Windows. I switched to Mint and I can easily open the LCore.exe with wine: wine LCore.exe It opens the software, but it's obviously just saying 'No devices detected'. I ...
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1answer
62 views

Problem with touch pad in linux

I have a Lenovo g500 laptop and I recently installed Ubuntu 14.04 in it. The problem is that the touchpad in not being dectected. I ran Ubuntu in live mode before installation and the touchpad worked ...
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34 views

Installing drivers for the ASUS AC-51 Network Adapter

I'm not very good at installing drivers for these 3rd party devices manually. The provided instructions in the "readme" have poor grammar and I'm not experienced enough to fully interpret exactly what ...
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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 ...
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153 views

Black screen after installation of Nvidia driver

$ uname -r 4.1.3-200.fc22.x86_64 This is the latest kernel available at the stable repository. Now I want to install the Nvidia drivers for my GTS430 from the rpmfusion repository. I followed the ...
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1answer
56 views

Why is my WiFi card unclaimed by drivers in UbuntuMATE?

The title says the main issue, my Realtek 802.11n WiFi card isn't being claimed by the drivers from here. I installed led the drivers using the install.sh script given in the decompressed tar.gz. ...
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1answer
48 views

How can I replace the stock driver module inside a Linux ISO?

In particular, I want to replace the stock network drivers (r8169) with something else (r8168) in the installation ISO. Is this possible? Currently, I have to install Ubuntu/Debian/CentOS (same ...
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0answers
23 views

How do I install and configure Graphics drivers on SliTaz Linux

How can I install graphics and other driver on linux slitaz lspci | grep VGA Result 00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics ...
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1answer
22 views

Double width 2D content when using the (proprietary) nvidia driver with Intel graphics in dual monitor setup

I've been going around this for ages and can't seem to get it working under Ubuntu. I have a Dell Latitude E6420 with integrated Intel/Nvidia graphics. I can use each monitor independently or connect ...
0
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0answers
29 views

How to read write PCI Memory Base Address Registers, without using DMA?

Currently I am developing a PCI driver in which I need to validate the functionality. I want to test memory transfer without using DMA. Let me know if there is any API I could use. I am also new to ...
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What is the Linux scsi mid-layer

In the Linux storage stack there are 3 levels: upper, mid and lower. Therefore, I know what it is in that sense. What I'm hoping someone will know is, what files in the Linux source tree actually ...
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2answers
46 views

How to get the name of USB driver in use in linux

I'm running Ubuntu 14.04 on my laptop. I'm having USB related issues in my laptop. It works sometimes and sometimes doesn't. I thought of fixing the issue myself. So, I wanted to know if there is a ...
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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 ...
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0answers
54 views

Magnetic stripe reader on Debian

I have recently aquired a USB magnetic stripe card reader. When used on Windows, I swipe a card, it acts as a keyboard and types out whatever is on the magstripe. However when used on Linux (Ubuntu ...
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173 views

Realtek RTL8111 Network card not working on Ubuntu 14.04

I'm trying to install an Ethernet Card into my Ubuntu 14.04 desktop computer. Here is my lspci output (First one is my new ethernet card): 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. ...
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0answers
64 views

Ubuntu - Ethernet Card Driver Installation: asm/linkage.h file not found

I'm trying to install an Ethernet Card into my ubuntu 14.04 desktop computer. Here is my lspci output (Second one is my new ethernet card): 03:00.0 Ethernet controller: Marvell Technology Group Ltd. ...
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55 views

atheros driver on arch-linux won't start access point [closed]

Can't create access point on arch % lspci -k | grep -A 3 -i network 06:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01) Subsystem: Dell Device 020c ...