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Forum: Kernel

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

  1. Question Linux Kernel Installation on a PC without an existing operating system

    Hello, I have a couple of questions about the Linux Kernel. 1) After compiling the Linux Kernel is it possible to install it on a PC, and that PC...

    Started by Mahmoud899, 04-07-2013
    • Replies: 2
    • Views: 606
    04-08-2013 Go to last post
  2. HTTP Traffic From Kernel

    I am trying to find a way to basically do HTTP related things from a kernel module. Ideally, I would be able to hit a website with GET, POST, PUT,...

    Started by lesnaubr, 04-07-2013
    • Replies: 0
    • Views: 442
    04-07-2013 Go to last post
  3. Debian 2.4.24 Adding list of task_struct's to user_struct

    I am currently working on a project for an Operating Systems class that requires modifying the scheduler in Debian 2.4.24. Currently the algorithm...

    Started by zephyr55, 03-23-2013
    • Replies: 2
    • Views: 852
    04-03-2013 Go to last post
  4. Smile mmap/buffer page frames

    Hi everyone! I've got question: when kernel perfroms read syscall from hdd(data to read arent present in page cache), it finally reads block of data...

    Started by FFh, 04-03-2013
    • Replies: 0
    • Views: 576
    04-03-2013 Go to last post
  5. Sound / Audio Entry Point

    I am struggling to find some area of code in the kernel that gets executed while audio is playing. My current goal is to be able to find the actual...

    Started by lesnaubr, 03-27-2013
    • Replies: 1
    • Views: 624
    03-27-2013 Go to last post
  6. kernel 2.6.31 not detecting ethernet device

    I'm creating a kernel image using kernel version 2.6.31 for sbc8641d board. When I boot the kernel on target, it throughs the error saying IP-Config:...

    Started by Som123, 03-21-2013
    • Replies: 2
    • Views: 1,177
    03-22-2013 Go to last post
  7. is it possible to modify compiled-in initramfs?

    I have a vmlinux ELF image which includes the initramfs image(kernel and root file system-RFS) which I would like to modify. I would like to add a...

    Started by uozbay, 03-21-2013
    • Replies: 0
    • Views: 606
    03-21-2013 Go to last post
  8. latency spikes with SCHED_RR (rhel 6.3)

    Recently a crucial low latency application was moved to a new server and it is suffering from sporadic huge latency spikes. We think it might be...

    Started by kernelexplorer, 03-12-2013
    • Replies: 2
    • Views: 1,620
    03-18-2013 Go to last post
  9. kernel panic - not syncing no init found. try passing init= option to

    Dear all, I am engineering student.I am trying to build linux distro for programming enivironment from debian based distro. I can succesfull...

    Started by new2linus, 03-02-2013
    • Replies: 7
    • Views: 6,172
    03-12-2013 Go to last post
  10. kernel panic error(debian based distro)

    Dear All, Sorry to cross post..My previous thread was marked as solved and I am not able to change prefix..So I am starting new thread..Sorry.. ...

    Started by new2linus, 03-11-2013
    • Replies: 1
    • Views: 565
    03-11-2013 Go to last post
  11. Huge lock contention when doing I/O

    Hi, I have a Fedora 16 system with Intel i7 970 processor, 12GB RAM, which seems sometimes to succumb to incredibly bad lock contention problems....

    Started by mcgd, 03-07-2013
    • Replies: 5
    • Views: 1,065
    03-09-2013 Go to last post
  12. CFS and Processor Affinity

    WIth the O(N) scheduler it is well documented that there is separate run queue for each processor. Documentation for CFS only refers to a single...

    Started by kmand, 02-28-2013
    • Replies: 2
    • Views: 1,105
    03-06-2013 Go to last post
  13. no ioctl command

    While running the function in kernel space kernel_sock_ioctl(socket, FIONBIO, &on) it returns error ENOIOCTLCMD 515 /* No ioctl command */ ...

    Started by rescue, 03-06-2013
    • Replies: 0
    • Views: 720
    03-06-2013 Go to last post
  14. Linux on GRUB Prompt

    Hi I have a machine running Centos 6.2 32 bit with two harddisks with RAID-1. First partition is /boot. Second is LVM for /home and Swap. It...

    Started by zulqarnainhabib, 03-06-2013
    • Replies: 2
    • Views: 961
    03-06-2013 Go to last post
  15. [SOLVED] Specifying Physical Memory Addresses

    Hello Linux Community, I am working on a kernel (3.4.3) and trying to figure out if I can specify (to some degree) the physical memory addresses a...

    Started by Misiu10, 02-27-2013
    • Replies: 8
    • Views: 763
    03-05-2013 Go to last post
  16. r6040 net-driver on new kernels not work(3.X.X)

    Hello. I have a problem. I have a motherboard with processor RDC8610. As PHY-chip used tlk100 (Texas Instruments). tlk100 uses "Generic...

    Started by Yaroslav, 03-05-2013
    • Replies: 2
    • Views: 945
    03-05-2013 Go to last post
  17. Which process gets spinlock when multiple processes are trying to get

    Hi, I am trying to understand the spinlock concept. But I have a question on it, if more than one process is trying to get a spinlock which process...

    Started by tutika, 03-01-2013
    • Replies: 5
    • Views: 1,104
    03-05-2013 Go to last post
  18. Question serial callback function

    Hi, i have a project where i have to read incoming serial-data from an other kernel-module. Is it possible to register a callback-function in the...

    Started by core_, 10-29-2012
    • Replies: 1
    • Views: 596
    03-05-2013 Go to last post
  19. pci problem - 2 BARs given same address

    Hi I am using an imx6 SOC by freescale and a 3.0.35 kernel created by them. When plugging in a pci device (which works perfectly on intel), I can see...

    Started by mukiwa, 02-05-2013
    • Replies: 1
    • Views: 506
    03-02-2013 Go to last post
  20. Question How to limit or reset PIDs

    Hi, Say I have a C program that does: While(1){system(“ls”);} The system() call creates a new PID at each call. Therefore, when the...

    Started by svc1, 02-27-2013
    • Replies: 1
    • Views: 534
    03-01-2013 Go to last post

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