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)

35
votes
4answers
25k views

Moving linux install to a new computer

I know that it can, in some circumstances, be difficult to move a Windows installation from one computer to another (physically move the hard drive), but how does that work on linux? Aren't most of ...
4
votes
0answers
661 views

BCM43142 Won't Work With Mint 17.1 Cinnamon x64 [closed]

I have posted this on the official Mint forums as well, thought I'd cross-post here to see if I can get alternate suggestions I can try. I initially tried the bcmwl-kernel-source from 'Driver ...
2
votes
2answers
2k views

debian does not detect serial PCI card after reboot

I have installed a PCI card with two serial and one parallel port on it. the chipset is MCS9865. I downloaded the latest driver(V1.0.12) from here. I ran make and make install. now the two serial ...
17
votes
2answers
28k views

What is the difference between ioctl(), unlocked_ioctl() and compat_ioctl()?

Going through the linux 2.6.36 source code at lxr.linux.no, I could not find the ioctl() method in file_operations. Instead I found two new calls: unlocked_ioctl() and compat_ioctl(). What is the ...
3
votes
1answer
3k views

Hopelessly stuck on making Nvidia Driver work on Debian

Before I posted question here, I'd been hacking around for the solution for my problem, but none of them worked. Here is my situation. I had a Win7 OS before I put a Debian Squeeze on it, now I got a ...
4
votes
2answers
9k views

Firmware for wireless card on Ubuntu/Debian?

This is a follow up to my previous question about Debian support for Linksys Wusb600n. I have tried running the Ubunut/Xubuntu LiveCDs and the WiFi does not come up. The Gnome Network Manager menu ...
2
votes
1answer
7k views

How to install a specific video driver on Fedora?

I need to install a compatible video driver on a Fedora machine. The resolution proportion isn't very well and I can't change the brightness and contrast (xbacklight and xgamma) either. Please answer ...
-1
votes
1answer
110 views

How do I install free drivers on a debian system?

I did a text mode install on trisquel which is a debian based system. I'm not sure why but when using the live cd (of trisquel), ubuntu and other distros it finds a driver for my usb wifi adapter. I ...
21
votes
1answer
14k views

How to assign USB driver to device

This question is two-fold: First, how do you manually detach a driver from a USB device and attach a different one? For example, I have a device that when connected automatically uses the ...
22
votes
4answers
3k views

How to find the driver (module) associated with a device on Linux?

On Linux, given: a device, for example /dev/sda, and its major and minor numbers, for example 8, 0, how can I know which module / driver is "driving" it? Can I dig into /sys or /proc to ...
18
votes
1answer
13k views

What is difference between User space and Kernel space?

Is Kernel space used when Kernel is executing on the behalf of the user program i.e. System Call? Or is it the address space for all the Kernel threads (for example scheduler)? If it is the first ...
14
votes
1answer
14k views

How to use Linux kernel driver bind/unbind interface for USB-HID devices?

First background. I am developing a driver for Logitech game-panel devices. It's a keyboard with a screen on it. The driver is working nicely but by default the device is handled by HID. In order to ...
9
votes
2answers
6k views

Find out which modules are associated with a usb device?

Could you recommend a way to figure out which driver is being used for a USB device. Sort of a usb equivalent of lspci -k command.
4
votes
1answer
4k 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 ...
2
votes
0answers
34 views

How do Live DVD/CD/USBs detect video card and configure X accordingly?

I'm trying to create a USB that I can carry anywhere with my system on it, I know there are Live distros that can be used that way, but I need a very specific installation. The problem is that the USB ...
7
votes
2answers
836 views

Should I restart after a pacman upgrade?

after running sudo pacman -Syyu or sudo pacman -S [something to install] should I restart just to be safe?
7
votes
1answer
4k views

Webcam on Angström

I am running Angström on my BeagleBoard-xm. I want to use a webcam (I have Microsoft LifeCam Cinema and Logitech C310). I installed v4l-utils, libv4l-dev and kernel-module-uvcvideo with opkg. But the ...
4
votes
2answers
5k views

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 ...
3
votes
1answer
2k views

How to disable the 2.4Ghz band wireless adapter

For debugging purposes, is it possible to disable the 2.4Ghz for wireless connections on Linux (Linux Mint 13 LTS, Cinnamon). I.e. to enforce the network driver to establish connections using the 5Ghz ...
3
votes
2answers
1k views

Where can I find the Linux driver for headphones in the kernel tree?

I have headphones with three buttons on them which allow me to control my music player with my phone. I want to write a driver for my headphones to make it control my music player on my pc (Ubuntu ...
2
votes
2answers
3k views

No ethernet/wireless connection after dist upgrade - “network UNCLAIMED”

I did an upgrade from Xubuntu 12.04 to 12.10, and I can't connect to the internet now. When I press the network button on the panel, I see "No network devices available" on top (greyed out), then ...
2
votes
1answer
4k views

I need a step by step guide to build kernel modules in ChrUbuntu

I don't have experience building kernel modules. And worse, I'm trying to do it on ChrUbuntu, so it seems that I cannot follow the existing Ubuntu guides. For example, this command fails: # apt-get ...
2
votes
5answers
8k views

Fedora won't boot after installing Nvidia drivers

I followed this tutorial about Nvidia drivers installation and I accidentally forget to do 5th point (disabling nouveau drivers), so now I can't boot my system. I know I am idiot but is there anything ...
1
vote
1answer
5k views

How would you install the RTS5139 Card Reader driver for use on Fedora 19

Is it possible to install the rts5139 driver in Fedora 19 3.11.8-200.fc19.i686.PAE kernel ? I have a Lenovo G570 laptop, on which I run Fedora 19 (3.11.8-200.fc19.i686.PAE kernel) on one hard disk, ...
1
vote
1answer
4k views

Problem compiling a driver : “No rule to make target”

First of all I am running a CentOS 6.4 installation. My computer is a laptop and I am trying to install the drivers for my ethernet card, because this week end I lost my ability to connect to the ...
1
vote
2answers
3k views

Achieving full resolution with PowerVR SGX454 on Ubuntu 12.04

I have a Mini-PC with an ASRock AD2700B-ITX motherboard, which has an Intel PowerVR SGX545 on-board graphic chip. I installed Ubuntu 12.04 on it today. Everything is working properly and is quite ...
15
votes
3answers
3k views

Why don't you need to update drivers? (Or do you?)

In my life I've not once updated drivers on any of my Linux systems, though they have all been desktops. A friend was asking me why one does not need to update Linux drivers and I found myself unable ...
6
votes
2answers
1k views

What’s the difference between a “raw” and a “cooked” device driver?

Does this concept only apply to terminal drivers (which is what most sites cover) or to any driver in general?
6
votes
2answers
20k views

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 ...
5
votes
2answers
5k views

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 ...
5
votes
2answers
1k views

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 ...
4
votes
2answers
9k views

Installing wireless driver (realtek 8188CE) on Debian wheezy

I had a hard time installing the wireless driver for my debian. My debian was Sqeeze but soon after I realized Wheezy was the one to support my wireless adapter, realtek 8188CE,I upgraded to wheezy. ...
4
votes
4answers
3k views

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 ...
3
votes
2answers
4k views

Driver for Intel 2200BG wireless network card

I'm trying to make work my wireless network card Intel 2200BG in my laptop Acer Travelmate 4002WLMI. I tried so far: $ sudo lshw -C network *-network:1 description: Wireless interface ...
3
votes
2answers
1k views

Does Linux have support for network interfaces over an AT-Command serial modem?

I've got a Telit GM862-GPS module, which is a GPRS modem with a serial interface and uses the standard Hayes AT command set (with some extensions). What I'd like to do is to be able to connect this up ...
3
votes
2answers
1k views

Why does my USB wireless network adapter disconnect every few seconds?

I don't have experience with drivers and other things. After installing Linux Mint 11 on my machine (I did a dist-upgrade), everything seemed to be great -- I didn't need to install any drivers. After ...
2
votes
1answer
3k views

ElementaryOS Gala using more than 100% CPU constantly

I am using ElementaryOS with the default Drivers and my Gala process is constantly using tons of CPU (sometimes more than 200%). I have looked everywhere but couldnt find a solution. I tried to ...
2
votes
1answer
66 views

What happens under the hood when some data is sent/received on an uart (or similar)?

I am trying to understand how computers work and I was thinking about peripherals. Here is what I understand so far but some parts are missing. Using an Arduino, I send some text every second (a then ...
2
votes
1answer
400 views

How do I apply this revert commit patch from git?

I have found a patch applicable to my system to fix a problem but I have no idea how to get this patch and then apply it. Can anybody help me please? Patch: ...
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: ...
2
votes
5answers
9k views

How to disable Nouveau on Fedora 18?

I want to install the proprietary Nvidia driver. Downloaded it from here. I have the 64-bit one. However, when I try to install it, I can't because the Nouveau driver is already there. I have spend ...
2
votes
2answers
5k views

Despite all attempts fan is still running very loudly and fast

I am running DELL Vostro 3750, operating system Linux Mint and despite all my attempts the fan is still running very fast and loud. So far I have tried first edit Grub according to this article. Than ...
2
votes
2answers
1k views

USB Driver Compilation Error

I'm currently trying to compile a Linux USB UART driver, which is provided here: http://www.exar.com/connectivity/uart-and-bridging-solutions/usb-uarts/xr21v1410 The driver consists of 2 header files ...
2
votes
1answer
3k views

How to install much newer mpt2sas driver version in debian squeeze?

Linux debian squeeze 6.0.6 (2.6.32-5-amd64) is supplied with quite an old 02.100.03.00 version of the mpt2sas driver. I do wish to install a much newer mpt2sas driver version. In know there are ...
2
votes
1answer
3k views

Restart USB mouse driver?

Sometimes, after some event that I can't determine, my USB mouse gets stuttery - like the refresh rate drops down to about 5-10Hz. It still works fine other than that, but it's incredibly annoying, ...
2
votes
1answer
614 views

lsmod returns nothing on my embedded device

I have put a vendor supplied embedded Linux installation (called X-Linux) onto a hardware device. I ran lsmod to see what modules are loaded and nothing at all is shown. Also there is no /proc/modules ...
2
votes
1answer
7k views

/lib/modules/2.6.37.6/build missing in linux puppy? what should I do?

I am new to linux as of yesterday. I'm using linux puppy to try to get the most out of a 10 year old, slow laptop. I installed it fine, no problems there, but as soon as I try to use my usb dongle's ...
2
votes
1answer
746 views

How do I downgrade my nVidia Driver in openSUSE 12.1?

I’m trying to trouble-shoot a problem that I’ve been having. Downgrading my nVidia driver is about the only thing I haven’t tried. I have an nVidea GeForce 6200 and installed the ...
1
vote
1answer
426 views

NVidia drivers on Macbook Pro (2008) Linux Mint?

Ok. I am literally installing it from scratch and tracking my process here and now. I've been fighting this for so long. Macbook Pro, 2008 I believe. ~200GB HD. I'm not dual booting. Mint and only ...
1
vote
1answer
425 views

Linux Radeon HD 7730M driver

I can not find drivers for this product, and recently I have been having an error when resuming from sleep..."UVD not responding, trying to restart the VCPU!" Is there a solution to this error?