Forum: Kernel

I have taken up kernel programming as my project at college (though have never ever written even a small piece of code). And have not been able to...

Hi, im new on writing device driver in kernelspace. So i started with writung a small scull driver. The problem is, that a write call blocks...

I am trying to trace the functioning of the server when the client is stopped using SIGSTOP signal. I mean the server is waiting on sock_poll But...

I need to regularly check the fill state of a tmpfs via df. However, I experienced that the answer of df is not always up to date. As far as I know...

Hi , I am new to Linux kernel Programming. I am trying to understand the process management. i have written a small piece of code to deactivate...

Hi, I am trying to learn Kthreads.following is the code i have written which will toggle two leds one after another in a thread which i want to run...

Is there a way to have openrc (such as through rc.conf) log an entry into syslog when a service crashes?

A while back, an mmap() read-only for a file would allocate swap space for that memory area in case there was a need to swap out that data in the...

Hi, How do i find the device name of NAND from /dev of DM355leopard board(2.6.10)? Thanks

Hello everyone, happy 2012 by the way. I'm using Ubuntu 10.04 and I'm trying to boot kernel 2.6.35-31 generic-pae. Everything seems to go fine...

I am doing a memmap in kernel command line to reserve RAM fro my module use. Essentially I have a physical address, and I need to get a kernel...

Hi, We are getting network issue for NFS and memcached in our network. But getting difficulties to diagnose both. We are not getting any logs in...

I'm reading arch/arm/boot/compressed/head.s, and have a question about the following codes: ARM( mov r0, r0 ) ARM( b 1f ) ...

Greetings All, Please excuse me for a 'not very precise' question but I just need some clue or point to look for the trouble. I am running linux...

Hi, I am new to the kernel development area.I just want to know: 1. What is the difference between user mode stack and kernel mode stack (except...

Hi, I am working on DM355 leopard board with kernel 2.6.10 mvl and arm_v5t_le-gcc. I have gpio driver which is working fine but i wanna add...

I'm still learning about linux so excuse me if this sounds ridiculous. Is there anyway I could compile a 32 bit kernel on my 64 bit Linux Mint? ...

hi, I thought the normal linux kernel fairly gave time laps to each processus; but so, how is it possible that it happens Firefox and its plugins to...

Hello everyone, I am working on a huge project. I learned that Android has Linux as an OS and that it is Linux Kernel. I am seeking advice and...