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Linux interrupt handling : bottom half

In Linux, the handling of interrupt handler is divided into two components : top half, and bottom half. From my understanding, the bottom-half of an interrupt handler can be handled in many ways : ...
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0answers
13 views

PCMCIA card under linux

Is it possible to use STLAB 10/100 PCMCIA LAN card under linux? From linux live CD?
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1answer
59 views

what __exit does in kernel module unloading in linux? [closed]

static void __exit hello_exit(void) { printk(KERN_ALERT "Goodbye\n"); } module_exit(hello_exit); The __exit modifier marks the code as being for module unload only (by causing the compiler ...
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0answers
29 views

How to find which chipset my scanner is using in Ubuntu/Linux?

My laptop is running Unbuntu 14.04. I have a Genius Vivid-1200TA scanner which is not supported by SANE and I want to find or develop a driver for it to be supported! How to find which chip-set is ...
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5answers
6k views

Is there really a “USB communication protocol”?

According to Wikipedia, USB: defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices ...
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1answer
38 views

How to run linux binary video drivers in a sandbox/isolated environment?

I don't trust any binary, but i have to use nvidia video card driver. Since xorg/video drivers runs as root and needs to access my hardware, is it possible to block internet connection to these ...
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1answer
55 views

Upgrading Linux kernel module without reboot

Is there any way to upgrade linux driver module without rebooting the system ?
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0answers
24 views

how uninstall video card driver(integrated) in linux with shell command

Here is my problem: I was trying to update a new video card driver for my computer's Intel integrated display card, but the command " modprobe -r " return module is in use. I try to disable the ...
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1answer
197 views

How Fake raid communicates with Operating system(Linux)?

I am a programmer, I studied about software, hardware and Fake raid's and I am unable to understand how fake raid communicates with operating system (Linux)? I mean which software layer or driver ...
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1answer
343 views

How to detect cdma modem connected to USB in linux

I am writing device driver and i am completely new to this concept. My Driver functionality is when i connect modem to usb my driver should detect Connected modem and get display the signal strength. ...
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0answers
115 views

My own linux Chorded keyboard driver and interface to my embedded application

I wan to develop my own keypad driver to my own keypad. I have to used GPIO to identify Key Events and used I2c to get scan code. I am going to develop keypad driver like this. #include ...
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1answer
870 views

configuring huawei e303e dongle on arm9 embedded board

i have been trying to connect 3g modem on arm9 board. bot modem is not getting detected. here is my lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID ...
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3answers
402 views

Machine needs F1 key to reboot, how to skip this?

Each time the machine (Linux, RHEL) reboots, it waits for F1 key to be pressed in order to continue the boot process. How can I skip this ? These are the message :Node3 DRAM uncorrected ECC ...
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1answer
570 views

Intel Wifi card module not visible in linux menuconfig

I've gotten myself into a pickle it seems. I just got the latest gentoo kernel (3.7.10), and it seems that they didn't include my wireless lan driver in the menuconfig (or it depends on another option ...
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2answers
82 views

Making the keyboard eject switch work

I am using Linux.My keyboard switch for ejecting the CDROM does not work though it displays an eject button on the screen. I need to make it work. I know ejecting a cdrom using system call is as ...
1
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0answers
242 views

Right click not working in Redhat enterprise Linux

I have recently installed Red hat enterprise Linux on my Hp laptop. Earlier both the mouse clicks were not working, but I managed to get the left click working by tapping by some help from Google. But ...
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2answers
130 views

Serial Communication vs Device Drivers

My understanding is that serial communication is for direct CPU-to-CPU (or microcontroller-to-microcontroller) communication along a serial bus. My understanding is that a device driver is for ...
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2answers
2k views

Grub installer has been deleted in ubuntu

I was installing an operating system (Fedora) in Virtual box which was installed in the Ubuntu Natty Narhwal. it asked me to format the disk (which should format inside virtual machine), which I did ...
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1answer
1k views

How to use a handycam as a Web Cam in linux

Can I use a camcorder as V4L2src in gstreamer? Simply can I use a camcorder as a webcam in Linux? If so what models are sported? Thanks in advance.
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3answers
9k views

Cant see my wireless internal card on BackTrack 5

I have BackTrack 5 R3 installed on VMware and its on bridged connection so it gets its own ip on my network and it works I get internet connection but there is no ethernet cable connected yet somehow ...
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2answers
886 views

Wifi not working in ubuntu

I m trying to work wifi in ubuntu 10.04 lts on HP pavilion dv6 laptop. I m new to Ubuntu I tried many thing , that were present online with Broadcom. I feel Broadmcom is not present. Please find ...
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1answer
1k views

How to Find Out What Version of Display Driver is Installed

One of my favorite games, "Wolfenstein Enemy Territory", has stopped working lately. It throws a segfault during the initialization phase. I suspect that the reason is a recent update to the video ...
1
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1answer
776 views

How do I run amddriverdownloader.exe on Ubuntu?

I downloaded amddriverdownloader.exe to update my Radeon HD 5450 on Ubuntu 11.10. When I run it it returns with this: jack@myComputer:~/Downloads$ amddriverdownloader amddriverdownloader: command ...
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0answers
134 views

How to make ^T work for the status char under Linux?

I’ve grown really accustomed to the BSD status char, ^T, since I first started using it back at university during the 80s. It didn’t originate with BSD, but came from even older operating systems. It ...
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1answer
486 views

Fedora Linux: Way to use stty (or equivalent) to bind key to raise SIGUSR1 for application?

I'm using FC 14, but this is probably a fairly generic Linux question. I want to be able to bind a key in the Linux terminal driver that will cause a signal other than SIGINT or SIGQUIT to be raised ...
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0answers
1k views

Atheros LAN card driver, Linux compiling problem

I have installed openSUSE 11.4 to my new workstation. It says that there is Attansic ETHERNET controller on board. But no devices seen. I typed: lspci and it returned: atheros communications device ...
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1answer
2k views

Ubuntu sound card driver

Where can I search for a sound card driver in Ubuntu? Should I use sudo apt-cache search ??? I don't know which command can I use to find my exactly sound card version in linux?
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2answers
734 views

Compiling and installing a new kernel on ubuntu 10.04

I have ubuntu 10.04 running on VMware on a windows host. I am learning linux device drivers programming. So in the process, I was trying to set up a linux source tree and build and load a custom ...
0
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1answer
181 views

Unauthorized mount hd ubuntu 10.04

Hey, I am trying to mount my hd on ubuntu by I receive this message "No possible mount location - Not Authorized". It happened after some upgrades on system, and the sound stoped too. here is my ...
2
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0answers
502 views

How to make NVIDIA driver recognize my non-original LCD in Linux?

My laptop's screen was broken and I went to replace it with a new one, which is not made by lenovo and apparently have something different from the original one. It seems that the NVIDIA driver for ...
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4answers
7k views

Linux equivalent of Windows Device Manager / DevCon utility?

I was wondering if there is any Linux equivalent to Windows Device Manager, or the Windows DevCon utility (a command line utility with hardware management functionality). Do drivers even work the ...
0
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1answer
1k views

Linux Device Drivers possibly missing?

I have just installed Xubuntu. My box runs quite a lot slower than before with Windows 7. I am wondering if I am missing some device drivers. I can use gnome-device-manager to list my devices. In ...