3
votes
2answers
103 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 ...
1
vote
1answer
41 views

Attaching two network cards two different drivers

I have an Ubuntu 12.04 server that has two 10 Gb ethernet cards that are using the ixgbe driver. I'm installing the PF_RING DNA drivers for these cards (what that is isn't important). I want interface ...
0
votes
1answer
32 views

Rmmod module reappeared after plugging back device

I have an arduino that talks to my computer through the serial-usb driver ftdi. I want to use my own module instead when I plug my arduino. I did : sudo rmmod usbserial sudo rmmod ftdi_sio I wrote ...
12
votes
3answers
185 views
+100

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 ...
0
votes
2answers
551 views

FATAL: Module p80211 not found. RTL8192CUS WLAN regression under antiX 13.1 (Debian Wheezy)

The problem concerns a driver support regression for the RTL8192CUS WLAN chip under antiX 13.1, a Debian Wheezy (stable) based distribution. The chip actually resides in a Edimax EW-7811Un 802.11n ...
1
vote
2answers
72 views

Easiest way to upgrade my onboard NIC drivers on a machine without connectivity?

I was assigned a workstation where I work and I needed to install Debian on it. I chose Wheezy because the other machines I use also have it, but I ran into a problem. The workstation is a Dell ...
1
vote
1answer
356 views

Installing a platform driver

I have recently acquired a device driver for an integrated watchdog timer on a x86 board on which I am running a minimal Linux system. The kernel is 3.6.11 and it has been built using buildroot. My ...
2
votes
0answers
137 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
1answer
292 views

(Solved) Linux cdc_acm device - unexpected characters sent to USB device

I'm having trouble with unexpected characters being sent on a USB port with the cdc_acm driver. What makes this all the more perplexing is that the code runs fine on Ubuntu 12.04 (3.2 kernel) but ...
1
vote
1answer
392 views

Compile Linux Kernel w/ Dynamically (Un)loadable usbserial Module

I've attempted to install drivers for an FPGA device, but require that I remove the usbserial module. This happens to be impossible because usbserial is a built-in module. It was suggested that I ...
4
votes
1answer
2k views

Find out which modules are asociated with a usb device?

Please recommend way to figure out which driver is being used for a USB device. Sort of a usb equivalent of lcpci -k.
19
votes
5answers
5k views

What is the difference between kernel drivers and kernel modules?

When I do a lspci -k on my Kubuntu with a 3.2.0-29-generic kernel I can see something like this: 01:00.0 VGA compatible controller: NVIDIA Corporation G86 [Quadro NVS 290] (rev a1) Subsystem: ...
0
votes
1answer
224 views

Xorg.conf, which modules should be loaded for better performance?

In general what is supposed to be in the Module section of the Xorg.conf file in order to get maximum performance from a graphic card? At the moment my Module section is empty... also because I ...
2
votes
1answer
395 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 ...
0
votes
2answers
111 views

Extracting only the module and the libraries from the AMD ATI proprietary drivers

I need to use this drivers in a Linux based system that is highly customized and so I'd like to know if there is a way of having this pieces just ready to be manually installed and/or used. In other ...
0
votes
1answer
89 views

What's the difference between CONFIG_R8169 and CONFIG_R8169_VLAN?

.config from /usr/src/linux-2.6.38.8 contains: CONFIG_R8169=m CONFIG_R8169_VLAN=y What's the difference between CONFIG_R8169 and CONFIG_R8169_VLAN?
4
votes
1answer
1k views

How to know whether the Linux driver for the real-time network device was built into the kernel?

From here: http://www.xenomai.org/index.php/RTnet:Installation_%26_Testing#Debugging_RTnet The Linux driver for the real-time network device was built into the kernel and blocks the hardware. ...
2
votes
2answers
2k views

How to enable force feedback in kernel 2.6.34 - 64 bit?

The wheel is Logitech driving force DFGT. The platform: linux-dopx:/home/anisha/ # cat /etc/issue && uname -a Welcome to openSUSE 11.3 "Teal" - Kernel \r (\l). Linux linux-dopx ...
0
votes
0answers
405 views

Silicon Wave USB Bluetooth Adapter doesn't work

I have been trying to use my usb bluetooth adapter(silicon wave) on ubuntu 11.10 server, it appears in the lsusb list but it doesn't work Bus 005 Device 003: ID 0c10:0000 root@i5-PC:/home/john# ...
17
votes
1answer
8k 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 ...
6
votes
1answer
3k 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 ...
0
votes
0answers
674 views

How to install VGA2USB in ArchLinux?

How do I install VGA2USB in Arch Linux? I downloaded the driver vga2usb-3.26.0.27-ubuntu-3.0.0-12-server_X86_64.tbz I tried with latest kernel did not worked failed with same issue, now showing with ...
5
votes
4answers
2k views

Best way to get into Kernel programming?

Not so much asking what books (although if you know of any guides/tutorials that'd be helpful) but what is the best way to start doing kernel programming and is there a particular distro that would be ...
2
votes
1answer
8k views

Xorg -configure doesn't work with nouveau drivers

I'm having problems setting up X.org on Gentoo. At the moment I have kernel 2.6.37-gentoo-r4 installed and have built X against this kernel. I have nouveau drivers installed and they seem to be ...
3
votes
1answer
284 views

Changes to input_get_keycode function in linux kernel (input/input.c)

I'm working on building a kernel module for an input device, and I noticed that in the module source, there's a couple calls to input_get_keycode(data->input_dev, scancode, &keycode); When I ...