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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241 views

Why does a device show up as hidraw instead of hiddev?

I read the kernel documentation for hidraw and hiddev, and I understand the differences, but I am wondering how the kernel decides whether or not a device should show up as /dev/hidraw* or ...
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613 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 ...
3
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669 views

nVidia fail after update

I have a 64-bit computer with Ubuntu 14.04, Gnome and nVidia. I had the official drivers from nVidia installed, all working perfectly, even Steam games. I did a reboot after a recent update and the ...
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651 views

Debian driver needed for Intel ICH7M SouthBridge I/O controller

I am using a motherboard based on this architecture. http://www.intel.com/content/www/us/en/intelligent-systems/navy-pier/embedded-intel-atom-n270-with-mobile-intel-945gse-express-chipset.html I ...
3
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0answers
421 views

Enabling GPIO in kernel not working

I have tried to enable the GPIO pins for my system through the Kernel but I am not able to get them to work. When I try this: echo 1 > /sys/class/gpio/export The terminal window just closes. ...
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511 views

USB mouse not working

Every time I plug in any wired mouse recently, I get similar to the below on VCS1: [1443270.286164] usb 6-1: new low-speed USB device number 15 using uhci_hcd [1443270.454270] usb 6-1: New USB ...
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0answers
464 views

How do I go about making a wrapper for a driver to be used on FreeBSD?

The situation: I found myself in need of an additional NIC for my pfSense router/firewall. I had a few choices... shell out over $100 for a dual port gigabit card buy a new motherboard that has ...
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310 views

How to know the event by looking at /dev/input/by-id

I want to access the keyboard device driver. I usually accesses it by looking at /dev/input/by-name but the event provided by it gets changed every time I log in. After searchin on the Net, I found ...
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699 views

Pinguy OS 11.04 WiFi and Wired Networking is not working

I was attempting to install Pinguy OS from a YUMI created USB thumb drive, with the computer wired to my router. The internet, however, was not working. After the install, it still is not working. ...
2
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56 views

USB to UART converter is lagging

I have a USB to UART converter with CH341A chip on it. This device can be used as a USB to UART converter, as a 24/25 chip programmer and as a USB to PARALLEL converter. The problem is with the UART ...
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144 views

Problem setting-up RPi as WiFi hostspot with Ralink RT3070

I am trying to set-up my RPi as a wireless hotspot so I can control it wirelessly from my laptop. There are many guides around that are referred to in these forums as well however I keep on having the ...
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73 views

Wifi not working on compaq 6715b running ubuntu 14.04

I'm trying to get WIFI running on an old compaq 6715b laptop. It does not show up in iwconfig, so I assume that I need to install drivers. I've tried using ndiswrapper, and tried "sudo apt-get install ...
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0answers
759 views

Install rtl8188etv/rtl8188eu driver on Orange-Pi

I'm trying to install the wifi driver on Orange-Pi board. The real chip is rtl8188etv but the driver is the same. I have compiled 3.4.105+ Kernel to have the headers: mkdir ...
2
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0answers
89 views

Elementary os reboot error iMac late 2009

I need help installing Elementary OS on my (late 2009) iMac 11.1. I am booting from an external USB and in when presented with a GRUB menu, I choose "Install Elementary OS" and then press e key to ...
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819 views

Install usb wifi tl-wn823n on Debian

I need help installing my TP Link USB dongle on Debian Wheezy. I already tried a bunch of different things and nothing seemed to work. Here is the result of some commands: $ lsusb Bus 002 Device ...
2
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599 views

Elementary OS ATI Graphics

I have an Acer Aspire 4820TG. It has an integrated and a dedicated graphics card, the latter is an ATI Mobility Radeon HD 5650. The installation of Elementary OS (Luna) went fine but I needed ...
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136 views

Unable to load a USB keyboard driver on Debian machine

I have a pretty simple driver for USB keyboard: #include <linux/module.h> #include <linux/kernel.h> #include <linux/usb.h> #include <linux/usb/input.h> #include ...
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202 views

Change color balance on Intel Graphics

My laptop has some screen or cable problem, because of which the screen is all pink colour. In Windows I use my Graphic Card configuration software to change the screen colours mixing colour channels ...
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239 views

Canon network printer: Unable to open the initial device, quitting

I have a up-to-date Arch Linux and Canon drivers installed from the AUR (cndrvcups-lb). At work I have a Canon iR-ADV C5235 printer, that I want to get working. I added the printer via the cups ...
2
votes
0answers
56 views

Driver not showing in /sys/bus tree

I'm trying to bind the "rt3572sta" to a USB device that previously had the "rt2800usb" driver bound to it. I ran this: $ sudo sh -c "echo [device-bus-id] > /sys/bus/usb/drivers/rt2800usb/unbind" ...
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171 views

How can I automatically include all firmware needed by selected Linux kernel modules

I have certain modules which I need compiled into the kernel. Some of these modules require firmware, which used to be automatically included from /usr/src/linux/firmware/. However, no new firmware ...
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717 views

Can't install Linux Mint Cinnamon nor Ubuntu while switchable graphics turned on

I've got Lenovo G500 intel i5 with switchable graphics (Intel and AMD Radeon HD 8579M). When I try to install Linux Mint Petra Cinnamon, when switchable graphics are on by the bios, live CD can't ...
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370 views

After installing VirtualBox to Fedora 17 the system won't boot (NVidia drivers)

My luck I had couple of older kernels, which work. The new kernel, probably somehow patched by VirtualBox fails to load. What fails is X-server, when it tries to start, here's the log: [ 14.284] ...
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223 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 ...
2
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329 views

How to configure buildroot to add a sound device?

I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
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0answers
2k views

How to setup GParted video mode in Oracle Virtualbox?

I'm trying to boot GParted live 0.14.1-6 within Oracle Virtualbox 4.2.6 r82870 (Extension Pack installed). The host OS is Windows 7, the physical graphic card is an AMD Radeon HD 6900. The physical ...
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votes
0answers
364 views

A problem with mknod when logged in as root

I am trying to load a char device driver written by myself. To achieve this I use a modified bash script published on this site: http://www.makelinux.net/ldd3/chp-3-sect-2. Here is my version of the ...
2
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0answers
906 views

USB keyboard won't work with usbhid driver

I have an HP thin client (model t5325) which runs Debian Linux (kernel 2.6.22.18-1-armel). We are testing some kiosk keyboards from Operator Interface Technology which are presenting themselves to ...
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0answers
37 views

How to diagnose display issues in linux?

I have recently upgraded my system to Debian Jessie (testing) and everything went smoothly, except the occasional distortion when the screen is updating. When a part of the screen needs to update, ...
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17 views

Plugged mouse increases boot time

I was going through the output of dmesg -e and found that my logitech mouse is increasing boot time by around 7 seconds and my total boot time is around 45 seconds. [ +7.334661] usb 1-1: new ...
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46 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. ...
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0answers
1k views

How to install Realtek RTL8723BE wireless driver on debian?

I installed Debian Wheezy 7.8 on a Lenovo G50-70 x64, it seems that I don't have the driver for my wireless card installed, the output of iwconfig: lo no wireless extensions. eth0 ...
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0answers
92 views

How to use kmod-nvidia drivers for boot

I have Fedora 21 on a computer that I built with a NVIDIA GeForce GTX 660 Ti graphics card. When I was originally installing my system, I had a large number of issues with getting it running until I ...
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0answers
79 views

PULSEAUDIO does not list my ALSA capture device as a capture source

First of all, Hello everybody! My name is Przemek Gajos and this is my first post here. I have recently written an ALSA driver for my audio capture card and I have problems with PULSEAUDIO ...
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67 views

Do Access points use softMAC or hardMAC?

I am trying to understand the working of wireless in linux. I started with wpa_supplicant, hostapd applications with the help of their documentation and source code.Understood the flow and basic ...
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0answers
53 views

Meaning of an ampersand prefix in a device tree

I am looking at a DTS file which tries to specify different nodes, but interestingly I find a few nodes having different style of nomenclature. / { model = "TI AM335x BeagleBone Black"; ...
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55 views

Touching the touchpad on Linux interrupts typing

I have a laptop with Linux Mint 17 installed. Whenever I am typing and the touchpad is enabled, successive keystrokes are being interrupted. For example, if I would try to type 'paragraph', it could ...
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0answers
31 views

How to get X output on two non-identical nVidia cards

I've been trying to get a second GPU (8600 GT) to be used in my system (main GPU is 780 Ti). The problem I'm having is that whatever I do, I can't get the monitor hooked up to the 8600 to display ...
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0answers
156 views

Reversing graphics card driver change in Linux Mint 17

Some idiot who looked back at me in the mirror a few minutes ago was following these instructions (link) and apparently got the wrong NVIDIA drivers for his old laptop with a Quadro in it. Now, ...
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0answers
56 views

Completely disable / deactivate USB in Ubuntu 10.04

I have some Ubuntu 10.04 based portable touchscreen computers at workplace and sometimes people would use USB data cable to charge their phones from the USB port. Now I have usb storage access ...
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0answers
29 views

Who would use this information to develop better support for hybrid graphics?

I have a laptop with hybrid graphics and I'm so frustrated that linux doesn't fully support it without any intervention from my side, just like any other Windows machine would normally do. So I ...
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0answers
704 views

Problem installing Radeon Driver

I have a Dell Inspiron 15 model 5547 with a AMD Radeon HD R7 M265. With a clean installation of Arch Linux (I've tried installing Debian too, without success.) I tried installing the open-source ...
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0answers
127 views

Airport Extreme BCM4331 not recognised on FreeBSD

So I have recently installed FreeBSD 10.1 (now UEFI native!) on my Mid-2012 MacBook Pro. The install went fine, except for one problem: my wireless card wasn't recognised. I looked into bwi and bwn as ...
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58 views

HD 4800 lower fan speed

I've installed Linux Mint 17, most important thing for me is to lower the fan speed to 30% as I am doing in Windows because it's really too noisy. Note that the temperature stays at ~50°, so this ...
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48 views

Linux xsetwacom setting equivalent to Windows wacom driver mapping

In the Windows drivers for Wacom tablets, you have the option of mapping (a) the hole monitor to a specific area of the tablet, something like the picture in this link: I can't find an option in ...
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139 views

Dell Inspiron 5110 proper drivers for Linux Mint 'Qiana' 32bit/64bit

I decided to move on Linux and choose the Mint 'Qiana' distribution.No Windows no more! But It's a little more tricky with Linux. I need a little guidance here, I cannot find all the drivers for Dell ...
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78 views

How/where are linux device capabilities / bitfields set?

I have a device that has this output in /proc/bus/input/devices: I: Bus=0003 Vendor=05b8 Product=3280 Version=0111 N: Name="PixArt USB Optical Mouse" P: Phys=usb-0000:00:1a.0-1.1/input0 S: ...
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0answers
318 views

ElementaryOS desktop messed up after trying to get NVIDIA drivers to work.

I've been trying to get the NVIDIA drivers to work on my Lenovo Y50 (GTX 860m) for a while. After installing them and rebooting, I get a black screen with some unhelpful text, which I usually remedied ...
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0answers
93 views

System freeze on “setting up alsa”

I use Debian wheezy and I boot the computer and get stuck in the line: [....] setting up alsa .... It freezes, it only responds to "REUSIB" (Emergency Reboot With Magic SysRq), but it is unusable as ...
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37 views

Benq 5150C scanning 1/4 of page

I have a Benq 5150C scanner. It didn't work out of the box. After downloading the windows driver (from Benq Middle East), extracting the .bin file and following this post, the scanner started working ...