Questions tagged [drivers]

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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What happens when the network interface is “brought up” with ifconfig?

What actually happens when I "bring down" and "bring up" a network interface with the following set of commands? $ ifconfig wlan0 down $ ifconfig wlan0 up Is the wireless network interface card ...
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1answer
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How do I extend my desktop to my 2nd monitor rather than just cloning it?

I have just installed Debian Wheezy for the first time and have had mixed success getting my system up and running. Currently my main issue is that I am unable to extend my desktop to my second screen....
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1answer
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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 ...
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1answer
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changing xorg driver for netbook with cedarview integrated graphics

So I was messing around. I installed debian, everything worked fine. I had to re-install debian for whatever reason. It decided to do something different and now I'm stuck with a 800x600 resolution (...
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2answers
3k views

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

I have headphones with three buttons on it which allow me to control my music player. I want to write a driver to make it control my music player on my pc (Ubuntu Linux). So I think I should write a ...
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2answers
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Can I get full video capabilities in Arch Linux guest on Virtual Box?

I'm trying out arch linux on my win7 host on a VB and I have it installed just fine, the problem is that when I try to use gnome-shell it goes back to fallback mode because it detects that my video ...
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3answers
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How to Fix Choppy Video Playback in Ubuntu?

On Ubuntu 10.04 I experience choppy video playback. I am running Mplayer and have an Nvidia GeForce 9800 GTX+ video card. I have already installed the libvdpau1 library. I don't know if hardware ...
4
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1answer
292 views

Prevent Linux kernel from setting USB device configuration

I'm trying to write a Linux driver for an existing USB device, based on captured USB communication. The device has multiple configurations. Unfortunately, it seems like the device doesn't follow the ...
4
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2answers
503 views

Two interrupt handlers for the same driver

I have a scenario where my driver needs to listen to two different interrupts from two different IRQ lines. Is it possible to register two different IRQs and install two different handlers for the ...
4
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1answer
774 views

Gamer keyboard with custom keys

Many computer and gaming enthusiasts use special keyboards. One common feature on these keyboards is many custom keys that are meant to be bound to special command specific to games and software. ...
4
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1answer
402 views

Custom link layer protocol in UNIX [closed]

I was wondering if someone has any info about how to implement a link layer portocol which uses the GPIOs (for example in a Raspberry Pi). The idea is to implement a custom interface (similar to eth0)...
4
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1answer
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extension GLX missing on display

I have a computer with broken graphics here. It's running openSUSE 13.2 (x86_64). When a 3D application (paraview in this case) starts up it complains: extension "GLX" missing on display ":0". Xlib: ...
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1answer
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Trying to read USB Audio Device, but /dev/hidraw0 is unavailable for reading

I'm trying to write a simple driver for my USB Sound Card (just for fun) on Xubuntu 14.04 -- for example, I want to have an opportunity to control volume on my laptop via this device. The problem is -...
4
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1answer
7k views

Configure Wacom Intuos Graphics Pad in Linux Mint 15

I purchased a Wacom Intuos graphics pad recently (specifically, Create Pen & Touch Tablet, which I think is the rebranding of the Intuos 4), and I am trying to configure it on my Linux Mint 15 ...
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2answers
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bnx2: Can't load firmware file “bnx2/bnx2-mips-09-6.2.1b.fw”

I just compiled the kernel 3.10.19 from kernel.org. Support for bnx2 is enabled. On my server when I try to start the eth0 interface I got the following error : bnx2: Can't load firmware file "bnx2/...
4
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1answer
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Debian: Unable to activate wifi on HP Pavilion Dm1-4055sg (with Broadcom BCM4313)

I just installed Debian Wheezy stable. I am now facing the problem, that I am not able to activate the WiFi. I use a HP-Pavilion DM1 notebook with a button (F12 and wlan button) to activate the WiFi. ...
4
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1answer
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“Merging” two input device drivers/nodes to one device node

Okay, I have two joysticks attached to my linux box and they show up as /dev/js0 and /dev/js1. My problem is, I have a third party application, (that I cannot change), that uses a joystick, and it can ...
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1answer
1k views

Reload xserver-xorg-input-mouse

Can I reload xserver-xorg-input-mouse driver on the fly? For example, after I modify and recompile the source
4
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1answer
415 views

Sometimes no sound in flash videos after boot?

Sometimes after I boot up the machine, I get no sound in flash videos. First I didn't know why it was happening, but as I read a few articles here and there, I found out it was because of my USB ...
4
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1answer
5k views

What 802.11ac (or later) WiFi dongles work with Linux 4.13 kernel

I want to get a WiFi dongle with the 802.11AC or later standard that is compatible with Linux 4.13 (with Ubuntu 17.10) for a desktop PC (Streacom FC8 mini unit), 64 bit, intel core i3-2130). Context: ...
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Xorg says “couldn't open module intel" but intel_drv.so exists

In my Xorg.0.log there are these lines: [ 36753.331] (II) LoadModule: "intel" [ 36753.331] (WW) Warning, couldn't open module intel and [ 36753.331] (II) LoadModule: "radeon" [ 36753.331] (II) ...
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G-Sync on Linux — how to get it working?

I have a new system with a couple of 4K monitors with G-Sync support (Acer XB280HK), and a card capable of driving them (Geforce GTK 970). I have the Nvidia proprietary driver installed, version 352....
4
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1answer
433 views

Loading WiFi driver results in the whole system becoming unstable. How to debug?

I am not a linux kernel expert, but I got this new laptop and it's WiFi(RT3290LE) is not working. I tried solutions from various sources and they are not working. So it is upto me to solve it, and I ...
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No sound on detected headphones (arch)

alsamixer and pavucontrol shows everything is detected and unmuted. The speaker on my Laptop are working, only the headphones are detected and on mute or unmute I hear a short crack and nothing ...
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1answer
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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 ...
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1answer
5k views

What's wrong with this udev rule?

I'm reading through this link in trying to make the appropriate rule to make the BSG device nodes have group ownership of wheel and permissions of 0660. This is the rule that I have: [user@mylinux ~]...
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0answers
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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
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Kernel does not detect Hardware / Software or Hardware fault

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 to find it. I looked into: dmesg, lsusb -v, ...
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2answers
4k 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 ...
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2answers
7k views

How to use proprietary wireless drivers during Debian USB install?

I downloaded the Debian amd64 netinstall ISO and put it onto a USB stick. The installer runs fine, but my laptop requires proprietary wireless drivers (iwlwifi) to get internet during the install. ...
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4answers
5k views

Fix keyboard chattering/bouncing on the software side

I have a mechanical keyboard (Noppoo Choc Mini with Cherry MX Blue switches) and after a few weeks, some key presses are getting sent two times even though I press a single time. I found out that this ...
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3answers
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How do I install/update drivers on Debian 9?

I just installed Debian 9 on my laptop, however Wifi isn't working and I'm not sure if my graphic card is either. I'm sure that it's just a lack of drivers, but I've never actually had to update ...
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2answers
645 views

When are menuconfig changes performed?

I am using a CentOS and I have enabled the USB driver for GSM and CDMA modems using make menuconfig. But, how does it work? After changing in menuconfig, is the modification performed in the moment? ...
3
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2answers
7k views

Magic Mouse 2 on Linux

I bought apple's new magic mouse one month ago but I can't get it working on Linux correctly. I remember that my old magic mouse used to work fine but the new one is not recognized as such. I believe ...
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2answers
2k views

How to disable my touch screen

My screen is cracked, and the touchscreen makes the courser spasm every once and a while. Is there any way i can fully disable it? As requested: Module Size Used by ctr ...
3
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1answer
7k views

OpenBSD failing to load firmware of supposedly supported WiFi USB adapter

I recently bought an Edimax EW-7811Un WiFi USB adapter on Amazon. A handful of OpenBSD users have reported success with it, and it's listed as being supported by urtwn(4) in its man pages. I'm ...
3
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2answers
840 views

Modifying TG3 Broadcom driver

I was wondering whether it's possible to modify the said driver in order to prevent adapter from using embedded SRAM, and use system RAM instead. And if so, how to do it. I have a laptop with ...
3
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1answer
5k views

differences between vesa and fbdev Xorg drivers?

What are the differences between the 'VESA' driver and the 'fbdev' driver for Xorg? Both have no hardware acceleration a.f.a.i.k.
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1answer
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How to make linux detect/re-probe monitors with intel i915 driver?

I have a laptop running linux with nvidia optimus/intel hybrid graphics where all outputs are connected to the intel card. It is driven by the i915 driver. An external monitor or beamer is discovered ...
3
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1answer
4k views

Linux Bluetooth driver for Lenovo ThinkPad T470s

I'm running Ubuntu 16.04 on Lenovo ThinkPad T470s and quite simply, bluetooth appears to not exist, even though it is clearly in the computer according to all specifications available. It appears ...
3
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2answers
20k views

How do I install Atheros AR9271 wifi drivers on Debian?

I am trying to use a USB connected device (a used wlan adapter, that I got without any docs or CD). When I plug it and run lsusb I see it gets recognized as plugged. What do I do to use it? The line ...
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1answer
2k views

Running makefile results in “/sbin/modprobe: invalid option — 'l'”

I'm trying to set up Slackware 14.0 on an Asus EEE PC Flare Series Netbook. Currently I'm trying to configure the wifi. When I enter the following: # iwconfig I get: lo no wireless ...
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2answers
1k views

Using multiple layer of kernel modules for interfacing a hardware device?

I am trying to get a conceptual understanding of the purposes the kernel modules can have. The motivation for this question was a realization that interface to an actual hardware goes through multiple ...
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2answers
2k views

Is the Creative Sound Blaster X-FI Surround 5.1 SB1090 USB sound card supported in Linux?

And to what extent does this card have support in Linux?
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2answers
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Issue while installing driver for Archer T4U AC1300 on Mint 17

Original question I could not find any specific answer for my question, all driver installation issues I found for the T4U are related to the kernel version and work around can be proposed, mine is ...
3
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1answer
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Is there a definite way to relate a driver's source code in Linux kernel to the device itself?

Linux kernel's source code contains the sources of drivers for plenty of devices under /drivers directory. Sometimes by looking at the source code comment, it's possible to get a hint of the device ...
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2answers
192 views

why do some network cards need to load external firmware?

I have read this question/answer, but I still do not understand why some network cards work perfectly well without any additional firmware, whereas others need to load firmware to work. As a specific ...
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1answer
2k 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, ...
3
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2answers
18k views

Remove a manually installed driver (wireless usb)

I downloaded and installed a driver for my wireless usb dongle as it wasn't detected by linux (KDE). I wasn't very sure which model it was but apparently it is a Ralink RT2870 (Brand name IPTime ...
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2answers
8k views

Testing which modules are unloaded with modprobe

I'm currently searching for the right driver for my Broadcom BCM4313 network/wifi device. At first no network was recognized at all, now I managed to connect, but the connection is really slow. I ...