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Forum: Kernel

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

  1. Kernel module process

    Completely new to open source development, so please excuse the ignorance. I wrote a kernel-space API that is used by other kernel-space software,...

    Started by SuperSpry, 09-05-2012
    • Replies: 1
    • Views: 648
    09-06-2012 Go to last post
  2. Softirq/Tasklets

    As per to my knowledge both softirq's and tasklet run into interrupt context., with interrupts enabled and hence can only be interrupted by...

    Started by ginni_25, 09-05-2012
    • Replies: 0
    • Views: 666
    09-05-2012 Go to last post
  3. Kernel boot process debugging when system can't start up

    Hi, Is there any way to get boot logs when kernel is broken and can't boot? I have two kernels, one is good and second is modified by me. I...

    Started by cnyk, 08-31-2012
    • Replies: 4
    • Views: 961
    09-04-2012 Go to last post
  4. Talking [SOLVED] Kernel Configuration "match support" and "lenght match support"?

    Hi folks, I'm just curious and want to know what is the "match support" or "lenght match support" under the Kernel configuration menu (v2.6.35)...

    Started by Charles1718, 08-24-2012
    • Replies: 2
    • Views: 717
    09-03-2012 Go to last post
  5. sched_in and sched_out call backs functions from preempt_ops

    I am trying to look for a way to register a user process into preempt_notifier_register and then somehow use its callback functions defined in struct...

    Started by maheshma, 08-31-2012
    • Replies: 0
    • Views: 678
    08-31-2012 Go to last post
  6. iptables and the Kernel

    Hello everybody, I hope all is well. I recently installed Debian 6.0.5 on a Eee PC 1025c. The graphics card was not supported by any version...

    Started by Brillo, 08-30-2012
    • Replies: 4
    • Views: 777
    08-31-2012 Go to last post
  7. Call User-space Program function from Kernel Module

    Hi, I want to call some functions of a user space program from a kernel module. I cannot obviously put the code of the user space program in the...

    Started by shivanu, 03-05-2005
    • Replies: 6
    • Views: 7,317
    08-30-2012 Go to last post
  8. [SOLVED] Problems with JFFS2 on MCS8144

    Hi I'm working on a project using an MCS8144. I have built the kernel and flash filing system binaries, and if I load them onto an evaluation...

    Started by AJEllisuk, 08-22-2012
    • Replies: 1
    • Views: 780
    08-28-2012 Go to last post
  9. Exclamation Getting Kernel Panic (MAY be related to wireless but not sure)

    Running Backtrack Linux R3 here, but this problem has been happening for a long time now. I get a kernel panic when I boot and no network...

    Started by Fishbone_Beat, 08-26-2012
    • Replies: 3
    • Views: 937
    08-28-2012 Go to last post
  10. Shared memory

    Are there features that the kernel provides for user processes to start sharing their memories during runtime that can avoid a kernel copy for...

    Started by akshayFarcry, 03-08-2012
    • Replies: 1
    • Views: 822
    08-28-2012 Go to last post
  11. [SOLVED] Dual Core AMP Linux shared memory possibility

    Hello There, We are working on a Marvel ARM Dual AMP core CPU that runs Linux. Both core running Linux using one DDR chip but using different...

    Started by shahradp, 08-12-2012
    • Replies: 1
    • Views: 1,011
    08-27-2012 Go to last post
  12. Error during compiling kernel (Werror=unused-but-set-variable)

    hi all I was trying to compile a kernel for my android phone then I got this: scripts/kconfig/conf -s arch/arm/Kconfig CHK ...

    Started by amin021023, 08-23-2012
    2 Pages
    1 2
    • Replies: 16
    • Views: 5,730
    08-27-2012 Go to last post
  13. [SOLVED] Driver compiling in 3.5.2

    I am moving a driver from 3.1.2 to latest stabe (3.5.2). The driver gets compiled in 3.1.2 but throws errors in the latest one. Any help is...

    Started by prashanth_s, 08-24-2012
    • Replies: 1
    • Views: 5,216
    08-27-2012 Go to last post
  14. Compile Kernel 3.5.2 on Ubuntu 12.04 with Kernel 3.2.0-29-generic-pae?

    Hi, all: A naive question: First, my environment: Ubuntu 12.04, with kernel 3.2.0-29-generic-pae peijia:~$ uname -a Linux peijia...

    Started by jiapei100, 08-23-2012
    • Replies: 1
    • Views: 3,198
    08-26-2012 Go to last post
  15. attach preempt_notifier to user process in linux

    I am needing to identify whether a user process was ever preempted somehow, I understand we have hooks in preempt.h and sched.c which allow us to...

    Started by maheshma, 08-14-2012
    • Replies: 3
    • Views: 909
    08-25-2012 Go to last post
  16. The performance governor for cpufreq doesn't seem to behave as adverti

    The kernel in use: 3.2.0-23-generic on Ubuntu 12.04LTS For example, I issue the following command: sudo cpufreq-set -c 0 -g performance Then I...

    Started by mgoldshteyn, 08-23-2012
    • Replies: 0
    • Views: 650
    08-23-2012 Go to last post
  17. Linux on QEMU stucks at "Uncompressing Linux... done, booting the ker"

    I built linux kernel and 2.6.38 image using armtool chain 2011 and tried to run it on qemu 15.0. I took root file system from...

    Started by rupeshkp, 08-22-2012
    • Replies: 0
    • Views: 1,347
    08-22-2012 Go to last post
  18. Confused about semaphores

    Hi, I am trying to allow a kernel thread to sleep while it waits for a buffered write to complete. Essentially I was trying: Created a: ...

    Started by rjmarshall17, 08-20-2012
    • Replies: 2
    • Views: 616
    08-20-2012 Go to last post
  19. Question Update first before compiling a new kernel?

    Hi, Tried to search but can't easily find the answer, maybe this has been asked before. Current kernel is 2.6.18, planning to compile to the...

    Started by htan68, 08-17-2012
    • Replies: 1
    • Views: 531
    08-17-2012 Go to last post
  20. multiple independant multicast routing instances

    I worte a multicast proxy (mcproxy -, some time ago. The Proxy is using the Linux Kernel routing tables and supports multiple...

    Started by Aufgang001, 08-08-2012
    • Replies: 3
    • Views: 1,695
    08-16-2012 Go to last post

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