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Forum: Kernel

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

  1. When using Transcendent Memory, what exactly happens on a FLUSH?

    Hello, all. I have some questions about the implementation of transcendent memory in the kernel, specifically in its frontswap mode. The...

    Started by polypocket, 4 Days Ago
    • Replies: 0
    • Views: 180
    4 Days Ago Go to last post
  2. Question Is there a Kobject associated to every sysfs directory

    Hi I would like to know whether all the sysfs directories are associated with a KObject. If so, Is there a way to get the KObject associated to...

    Started by akhilbaai, 02-23-2017
    • Replies: 1
    • Views: 1,281
    3 Weeks Ago Go to last post
  3. Unhappy Replace keyboard driver with character device

    Hi All, I had to create a character device which I have already done, and now I need to replace it for keyboard driver but I don't know how to...

    Started by HPATEL, 10-02-2017
    • Replies: 0
    • Views: 596
    10-02-2017 Go to last post
  4. [SOLVED] Linux/x86 Kernel 4.3.0 - Kernel Configuration

    Hello, I have a Linux/x86 Kernel 4.3.0 with a ".config" in which network functionalities are disabled. Now, I would reintroduce them but I don't know...

    Started by davidepic91, 07-19-2017
    • Replies: 2
    • Views: 3,092
    07-19-2017 Go to last post
  5. Signing the packets with the application name

    When a linux application opens a socket to transfer packets I would like to intercept the socket call and insert the application name into these...

    Started by mraabs, 06-29-2017
    • Replies: 3
    • Views: 3,148
    07-05-2017 Go to last post
  6. TOS Field fetch from received packet on TCP socket in linux?

    I have a C++ network application running on linux using TCP sockets. I have been trying to fetch the DSCP marking from a received packet for TCP. We...

    Started by itismohit, 06-12-2017
    • Replies: 0
    • Views: 3,391
    06-12-2017 Go to last post
  7. UIO - custom version of uio_pci_generic

    I have stated the problem in the attachment

    Started by jNeddySeagoon, 06-10-2017
    • Replies: 1
    • Views: 577
    06-10-2017 Go to last post
  8. creating a shm file from kernel module

    I am trying to open a shm file for data sharing between kernel and user process. Below is my kernel module code. Sys log output indicates that no...

    Started by yaronshr, 06-06-2017
    • Replies: 0
    • Views: 953
    06-06-2017 Go to last post
  9. Is there a huge difference between 2.6 and latest version of kernel..?

    Is there a huge difference between 2.6 and current version of kernel..?? If yes please let me know because right now i am reading book "Linux kernal...

    Started by akshaypatil, 06-05-2017
    • Replies: 3
    • Views: 690
    06-05-2017 Go to last post
  10. Circular debugging using ptrace results in deadlock due to race condit

    Hi guys, As part of my personal research I am facing a challenging problem. I am trying to let two processes be each other's debuggers using the...

    Started by rusilja, 06-01-2017
    • Replies: 6
    • Views: 980
    06-02-2017 Go to last post
  11. I need help please!

    Ok i am pulling my hair out here i need some help. i and doing USB to SSL booting into recovery linux. I copied all of an image i made over to...

    Started by tjshadyluver, 06-01-2017
    • Replies: 1
    • Views: 669
    06-02-2017 Go to last post
  12. Idea to do "fake" wifi between local VMBox

    Hi I am the developper of Live Raizo, an Linux environment to experiment the system on simulated and real networks. LiveRaizo uses mainly...

    Started by Raizo62, 05-25-2017
    • Replies: 2
    • Views: 895
    05-30-2017 Go to last post
  13. V4L2 VIDIOC_S_FMT and VIDIOC_CROPCAP ioctl functions

    Hello Experts, I would like to know what VIDIOC_S_FMT is doing exactly ? Is it doing any scaling the images ? This question came to my mind once I...

    Started by titusece, 05-29-2017
    • Replies: 0
    • Views: 493
    05-29-2017 Go to last post
  14. Generic Netlink unicast from kernel to user fails (-111)

    (Linux 4.4) I am trying to get a kernel module to send information to a user process over a Generic Netlink. It seems that the message is not...

    Started by yaronshr, 05-24-2017
    • Replies: 3
    • Views: 939
    05-25-2017 Go to last post
  15. genl_register_ops/genl_register_family_with_ops v/v Linux 4.10+

    In setting up a Generic Netlink family in the kernel module, it used to be that you would register your commands with genl_register_ops. At a...

    Started by yaronshr, 05-18-2017
    • Replies: 0
    • Views: 822
    05-18-2017 Go to last post
  16. Question vboxpci: IOMMU not found (not registered)

    I'm not sure if this is a kernel issue or OS issue (Ubuntu 16.04 64 bit) or a BIOS issue but I'll start here. IOMMU is enabled in the kernel and...

    Started by eelstrebor, 05-13-2017
    • Replies: 5
    • Views: 2,263
    05-13-2017 Go to last post
  17. Adding custom info to TCP Header Options by changing Linux Kernel Source code

    Greetings, I am trying to add a custom information (of size 16-bytes) to TCP Header Options by changing the implementation of function...

    Started by abhishek_linuxforum, 08-27-2010
    • Replies: 1
    • Views: 4,616
    05-02-2017 Go to last post
  18. Interrupt kernel module when user process terminates/receives signal?

    I am working on a kernel module where I need to be "aware" that a given process has crashed. Right now my approach is to set up a periodic timer...

    Started by yaronshr, 04-10-2017
    • Replies: 1
    • Views: 3,387
    04-12-2017 Go to last post
  19. Spawning processes with display output from Linux kernel module

    I am trying to spawn a process from a kernel module, that has visual output - for now, I'm just trying to spawn xeyes. I am trying to do this using...

    Started by yaronshr, 03-29-2017
    • Replies: 1
    • Views: 1,327
    04-05-2017 Go to last post
  20. How to update a kernel?

    So I have this problem with the new kernel I'm using. It's 2.6.32-642.15.1.el6 for CentOS 6.7. Whenever I update my kernel, no matter what version...

    Started by edomingox, 04-04-2017
    • Replies: 1
    • Views: 525
    04-04-2017 Go to last post

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