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Forum: Kernel

Request help with Linux kernel compilation, theory, programming, or other kernel related issues

  1. how to print socket data structures

    As far as I know there is a task_struct stcuture which relates all the data related to the process. In case of socket there is no socket pointer in...

    Started by Innovator, 02-07-2012
    • Replies: 4
    • Views: 1,505
    02-13-2012 Go to last post
  2. process termination through SIGKILL signal

    How does a SIGKILL Signal terminate a process. There is no Signal handler for SIGKILL , then what is the code that is executed which kills the...

    Started by Innovator, 02-11-2012
    • Replies: 6
    • Views: 6,558
    02-13-2012 Go to last post
  3. Not your usual kernel topic but, I need an answer

    This is not about cool stuff like kernel programming but, I need an answer from someone that knows the kernel. Please run this through your clueless...

    Started by MickeyRat, 02-11-2012
    • Replies: 3
    • Views: 847
    02-12-2012 Go to last post
  4. process start time

    Hi, I am trying to get the process start time.I am fetching the 22nd field in /proc/pid/start file.But the time it gives is in jiffies.but i want...

    Started by ravind007, 02-12-2012
    • Replies: 1
    • Views: 806
    02-12-2012 Go to last post
  5. why server goes into interruptible sleep when I SIGSTOP the client??

    I have a server and a client program which communicate using Unix (AF_UNIX) domain sockets. When I SIGSTOP the client using kill -SIGSTOP...

    Started by Innovator, 02-10-2012
    • Replies: 2
    • Views: 1,112
    02-12-2012 Go to last post
  6. Return state and PID of parent? Creating new system call

    How can I return a state of system call and PID of its parent from system call?

    Started by Kdar1987, 02-09-2012
    • Replies: 2
    • Views: 919
    02-11-2012 Go to last post
  7. Calling interrupt from device driver

    I'm a super beginner when it comes to writing kernel drivers, but I'm trying to put a very simple one together for a single board computer that has a...

    Started by allbusiness, 02-09-2012
    • Replies: 2
    • Views: 679
    02-10-2012 Go to last post
  8. kernel ops "Bad mode in data abort handler detected"

    Hi All, i`m using 2.6.34 PREEMPT version, running on arm ARMv7 Processor rev 1 , and I have got ops 364.052000] Bad mode in data abort handler...

    Started by sashas, 02-09-2012
    • Replies: 0
    • Views: 1,833
    02-09-2012 Go to last post
  9. How to create a kernel thread which blinks led for every 500ms ?

    Hi Evenryone, I am facing an issue (buffer overflow) when I create kernel thread which actually blinks led for every 500ms. My implementation...

    Started by mmk622, 02-09-2012
    • Replies: 0
    • Views: 842
    02-09-2012 Go to last post
  10. Regarding cat /sys/kernel/debug/clock/clock_tree output ..

    Hi , Whenever i issue the command cat /sys/kernel/debug/clock/clock_tree i gwt to see the sdmmc clock frequencies . It shows me as sdmmc4 , sdmmc3...

    Started by dskonnur, 02-09-2012
    • Replies: 0
    • Views: 837
    02-09-2012 Go to last post
  11. Is it possible, that 32-bit kernel with HIGHMEM is faster?

    Hello, I have PC with 2 Gigs of RAM and I was curious if I can get performance gain disabling CONFIG_HIGHMEM and using CONFIG_VMSPLIT_2G_OPT. I have...

    Started by solbore, 02-04-2012
    • Replies: 1
    • Views: 1,046
    02-09-2012 Go to last post
  12. IPC in AF_UNIX sockets

    how does client and server communicate with each other through IPC I want to know how the buffer send from the client reaches to the server through...

    Started by Innovator, 02-07-2012
    • Replies: 1
    • Views: 731
    02-09-2012 Go to last post
  13. updating an existing kernel

    I have made changes in the existing linux kernel source code and i just want to update this existing kernel instead of installing a new kernel I...

    Started by Innovator, 02-07-2012
    • Replies: 2
    • Views: 647
    02-09-2012 Go to last post
  14. [SOLVED] Problem with get_empty_filp!

    Hi, In my file system filter I'm observing that get_empty_filp is behaving not the way it is meant to work. In multi-threaded environment I see...

    Started by nareshpandey, 02-07-2012
    • Replies: 1
    • Views: 605
    02-08-2012 Go to last post
  15. build or compile rootfs from box A

    Dear All I am a rookie to Linux. I have two units of two-way Linux router Boxes {Platform: iDirect iDS Platform (XScale)} BOX "A" is ok. No...

    Started by N57GREEN, 09-18-2010
    • Replies: 1
    • Views: 1,498
    02-07-2012 Go to last post
  16. dereferencing pointer to incomplete type

    Hello, I m modifying the kernel's structure task_struct to include a socket structure pointer in it and also the socket structure to include fd as...

    Started by mjames, 02-03-2012
    • Replies: 1
    • Views: 990
    02-07-2012 Go to last post
  17. Including file in a makefile

    hello, i want to include Af_unix.h(include/net/af_unix.h) file in my sche,h file of linux. but when I compile the kernel it gives me error...

    Started by Innovator, 02-01-2012
    • Replies: 3
    • Views: 1,032
    02-05-2012 Go to last post
  18. calculate System uptime before init phase.

    Hi, I am a newbie to the linux kernel. I want to calculate the system uptime of the running system right from boot up. I am able to fetch the time...

    Started by abhiram7, 02-03-2012
    • Replies: 0
    • Views: 569
    02-03-2012 Go to last post
  19. Interrupt Driver

    Hi, I wrote an interrupt program for keyboard. Full code is here int.c #include<linux/kernel.h> #include<linux/interrupt.h>...

    Started by steffi, 01-12-2012
    2 Pages
    1 2
    • Replies: 10
    • Views: 5,671
    02-01-2012 Go to last post
  20. device emulation in current system (i.e. without any virtual machine)

    Hi! I'm looking for a way to emulate the PLX9050-based device (simple data bus). So I wish to make some fake device that could be determined as a...

    Started by metawishmaster, 01-30-2012
    • Replies: 2
    • Views: 580
    02-01-2012 Go to last post

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