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Forum: Kernel

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

  1. 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, 3 Hours Ago
    • Replies: 0
    • Views: 51
    3 Hours Ago Go to last post
  2. 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, 12 Hours Ago
    • Replies: 2
    • Views: 94
    10 Hours Ago Go to last post
  3. 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, 1 Week Ago
    • Replies: 0
    • Views: 274
    1 Week Ago Go to last post
  4. 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, 1 Week Ago
    • Replies: 5
    • Views: 326
    1 Week Ago Go to last post
  5. 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: 4,058
    3 Weeks Ago Go to last post
  6. 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: 2,818
    04-12-2017 Go to last post
  7. 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: 1,041
    04-05-2017 Go to last post
  8. 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: 306
    04-04-2017 Go to last post
  9. Drop pagecache from kernel space

    Hi there! I'm pretty new in kernel developing and but I have a problem to solve, maybe someone can help. (I apologize in advance for my...

    Started by just_paul, 03-30-2017
    • Replies: 1
    • Views: 1,573
    03-31-2017 Go to last post
  10. Why My Linux Booting In to Emergency Mode ?

    Hi, I have an appliance which is running FreeBSD. I wanted to boot WindRiver Linux when I reboot the appliance. There are more than one partition...

    Started by ajayss, 03-01-2017
    • Replies: 1
    • Views: 4,389
    03-07-2017 Go to last post
  11. Kernel Panic : Unable To Mount Root FS on Unknown Block (0,0)

    Hi, I have an appliance which is running FreeBSD. I wanted to boot WindRiver Linux when I reboot the appliance. There are more than one partition...

    Started by ajayss, 02-24-2017
    • Replies: 3
    • Views: 1,290
    03-07-2017 Go to last post
  12. 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: 0
    • Views: 675
    02-23-2017 Go to last post
  13. Kernel module level controls for mutual resource access?

    I know a little about semaphores and locks I am using for locking read and write operations to complete. However, for a specific hardware for a given...

    Started by pyzahl, 10-27-2016
    • Replies: 1
    • Views: 1,759
    02-22-2017 Go to last post
  14. The first Linux Kernel (linux-1.0)

    https://www.kernel.org/pub/linux/kernel/v1.0/ So. What to do with it? I kinda want to compile it, but i dont want to run linux-1.0 on my...

    Started by mindsword, 01-18-2017
    • Replies: 8
    • Views: 1,009
    02-21-2017 Go to last post
  15. Lightbulb Alternate working directory

    Please add an 'alternate working directory' link and make it accessible through '/proc/<pid>'. It should be initially set to the login directory and...

    Started by mtew, 01-17-2017
    • Replies: 7
    • Views: 1,876
    01-29-2017 Go to last post
  16. What do CAL interrupts do and is there a way to disable them?

    I am currently working on highly latency-sensitive software and I have a problem with interrupts. To make sure, processing is as fast as possible, I...

    Started by radschapur, 10-15-2016
    • Replies: 1
    • Views: 1,527
    01-13-2017 Go to last post
  17. Booting The Kernel

    Hello. I'm new in the forum and linux. I want to make my own simple OS. I want to run this OS on VM. But the VM says "No bootable medium found" What...

    Started by UygarKoc, 12-24-2016
    • Replies: 8
    • Views: 1,147
    12-26-2016 Go to last post
  18. usb_modeswitch unsccessful for MediaTek MT6225

    Hi, I am trying to do usb_mode-switch in my almond 3 router but it is not working.Its seems it is not finding the device ,the router is embed...

    Started by pankajcharpe, 12-15-2016
    • Replies: 0
    • Views: 630
    12-15-2016 Go to last post
  19. Question How Does Linux CFS Scheduler Define Domains and Groups?

    Hi Experts, I'm currently learning the source code of Linux kernel CFS. I know the load balancing is based on the schedule domains(sd) and...

    Started by simonwan, 10-11-2016
    • Replies: 0
    • Views: 613
    10-11-2016 Go to last post
  20. Question Updated and detailed description for kernel configurations?

    Hi all! I'm in the process of creating an optimized kernel image for my Zenbook UX303LB which I mainly use to do 3D programming for the browser...

    Started by Edu, 10-09-2016
    • Replies: 2
    • Views: 589
    10-09-2016 Go to last post

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