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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318 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 ...
5
votes
0answers
639 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
votes
0answers
722 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 ...
3
votes
0answers
759 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
votes
0answers
586 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 ...
3
votes
0answers
998 views

Kernel does not detect Hardware / Software or Hardware fault

I've got more of a basic question for you: My linux kernel (I tried several here from stock 2.6, 3.2 and 3.5 as well as a custom 3.7.3 one) does not detect my synaptics touchpad - or I'am too dumb ...
3
votes
0answers
471 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 ...
3
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0answers
335 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 ...
3
votes
0answers
710 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
votes
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 ...
2
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0answers
124 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 ...
2
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0answers
269 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 ...
2
votes
0answers
115 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 ...
2
votes
0answers
1k 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
votes
0answers
84 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"; ...
2
votes
0answers
97 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 ...
2
votes
0answers
1k 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
votes
0answers
692 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 ...
2
votes
0answers
124 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 ...
2
votes
0answers
263 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 ...
2
votes
0answers
284 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
58 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" ...
2
votes
0answers
215 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 ...
2
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744 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 ...
2
votes
0answers
383 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] ...
2
votes
0answers
381 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 ...
2
votes
0answers
413 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
votes
0answers
964 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 ...
1
vote
0answers
28 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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vote
0answers
64 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 ...
1
vote
0answers
146 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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vote
0answers
17 views

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 ...
1
vote
0answers
28 views

Linux: Two differen drivers for two (mostly) identical PCI devices

for some obscure reason I want to use two different drivers for two identical PCI devices on the same system. The drivers have different characteristics, which is why I want one physical device ...
1
vote
0answers
92 views

r8168 connection drops randomly

I have a Realtek RTL8168 ethernet card built into my computer (HP ProBook 455 G1), running Linux Mint 17.2 Cinnamon 64bit. Before you tell me to replace the preinstalled r8169 module with the r8168 ...
1
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0answers
28 views

How to find the configuration differences between two identical usb audio dongle devices?

I have two units of the same headset model that use a wireless USB dongle (Logitech H800). Each headset only pairs with its own dongle, but I want to get the same dongle to work with both headsets. ...
1
vote
0answers
28 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
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0answers
58 views

Disk configuration options, what can affect performance

I have 2 disks, the same model and vendor, first one , probably performs faster. We do write into multiple files. Can you compare 2 configurations and tell what can affect performance? 1. (faster) ...
1
vote
0answers
83 views

How to install graphic capabilities to CoreOs?

I would like to install CoreOs as a base on my desktop machine. Then, I could launch some containers, with eventualy a graphical environnement. So I have to add all the graphic stack: GPU drivers, ...
1
vote
0answers
47 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, ...
1
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0answers
30 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 ...
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. ...
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0answers
2k 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 ...
1
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0answers
135 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
112 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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0answers
80 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
76 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
42 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 ...
1
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0answers
270 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, ...
1
vote
0answers
4k views

nl80211 not found

Environment Linux 3.0.8 compiled for ARM FriendlyARM mini210s I cross-compiled iw for an ARM board (friendlyARM mini210s), when I installed the utility and ran it, I got this message: # iw --help ...
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0answers
70 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 ...