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Forum: Kernel

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

  1. 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: 611
    03-05-2013 Go to last post
  2. 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: 514
    03-02-2013 Go to last post
  3. 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: 544
    03-01-2013 Go to last post
  4. Smile how to get a process status according to process name in the kernel?

    Hi, I am writting a kernel module which needs to get a process status(running or not) according to its name(I know the name of the executive file)...

    Started by liudonghua123, 02-26-2013
    • Replies: 1
    • Views: 727
    03-01-2013 Go to last post
  5. Wink how to check a port is listening in the kernel?

    Hi I am using Android 4.2 which the kernel is 3.0. So I post my question here. And I want to know how can I get the status of a port in the kernel...

    Started by liudonghua123, 02-26-2013
    • Replies: 1
    • Views: 526
    03-01-2013 Go to last post
  6. F17 freezing apparently caused by kernel.

    Hi I am using Fedora 17 on an Asus M2N68-AM PLUS motherboard, with AMD Phenom 9600 Quad and 4 GB RAM I have posted this on the Fedora Forum -...

    Started by JGSheppard, 02-21-2013
    • Replies: 1
    • Views: 651
    02-22-2013 Go to last post
  7. Thumbs up Video Issues with Linux Kernel Build???

    Don't know if this is a video issue or a boot issue. Have built a Linux Kernel for a custom BSP based on the Freescale i.MX6 ARM processor. The...

    Started by pauldemet, 02-18-2013
    • Replies: 1
    • Views: 1,298
    02-21-2013 Go to last post
  8. devtmpfs: error mounting -2

    hi i need help i compile the kernel 3.4 with gcc , when i run the uImage kernel on cubox (solid-run) it appers error : VFS: Mounted root...

    Started by esmairi, 02-16-2013
    • Replies: 2
    • Views: 5,182
    02-19-2013 Go to last post
  9. Allocate sk_buff pool from specific address range?

    Is it possible to instruct the kernel to allocate all its sk_buffs from a specific address range? I have a system where part of the physical memory...

    Started by jarango, 02-18-2013
    • Replies: 0
    • Views: 669
    02-18-2013 Go to last post
  10. Lightbulb adapting linux kernel for future multi core architecture

    Dear Sir, I am mtech student of IITkgp,India working on a project i.e. adapting linux kernel for scalable multi core architecture, I found that...

    Started by ranjuchhatna, 02-02-2013
    • Replies: 2
    • Views: 840
    02-11-2013 Go to last post
  11. Question need help on understandand using lockstat.txt file

    Dear Sir, I am mtech student of IITkgp,india, roll no.-11cs60r23 working on a project i.e.adapting Linux os for scalable multi core architecture,...

    Started by ranjuchhatna, 02-10-2013
    • Replies: 0
    • Views: 515
    02-10-2013 Go to last post
  12. Linux freezes need to debug

    I have a device driver that hooks into the VFS. The driver basically intercepts the VFS calls, logs them to disk and then calls the appropriate file...

    Started by salalimo, 02-06-2013
    • Replies: 1
    • Views: 535
    02-09-2013 Go to last post
  13. [SOLVED] Debian squeeze random lock ups, need help reading kernel dmesg errors

    I have a new box working as a light duty file and mysql server for a small office. Mainboard is Asus M5A97 R2.0, CPU is an AMD FX-8350 4.0GHz 8 core...

    Started by glennt, 01-24-2013
    • Replies: 8
    • Views: 1,889
    02-07-2013 Go to last post
  14. Help needed regarding BlockDevices in /proc/devices file

    Hi friendz... Below is the information regarding Block Devices in /proc/devices file in my linux pc Block devices: 1 ramdisk 259 blkext ...

    Started by karthik537, 02-04-2013
    • Replies: 3
    • Views: 1,227
    02-05-2013 Go to last post
  15. Kernel OOM from cache not being dropped

    Sorry if this has been discussed. I did a search on the forum and did not find the answer. If your search-fu is better than mine, please point me in...

    Started by evilquesadilla, 02-01-2013
    • Replies: 1
    • Views: 610
    02-05-2013 Go to last post
  16. Exclamation Can we perform TWO MMAP operation on same /dev file

    I have build an character driver in which i am allocating two PAGESIZE buffer using dma_alloc_coherent Now i am passing the PHYSICAL address of...

    Started by dgashu, 01-29-2013
    • Replies: 2
    • Views: 754
    01-31-2013 Go to last post
  17. Cannot build kernel since 3.7.4

    Ever since 3.7.4 I have not been able to successfully build the linux kernel due to the error given at the end of this post, do any of you have...

    Started by lostmahmind, 01-29-2013
    • Replies: 3
    • Views: 815
    01-30-2013 Go to last post
  18. Serial Driver HW FIFO over flow and 64K tty buffer over flow

    Hi All, We are using the following cat /proc/cpuinfo Processor : ARMv7 Processor rev 7 (v7l) BogoMIPS : 597.64 Features : swp half thumb...

    Started by hiharsh, 12-06-2012
    • Replies: 1
    • Views: 849
    01-28-2013 Go to last post
  19. Compile Kernel "Bad Linux ARM zImage magic" on Calxeda (Highbank)

    Hello everybody, We recently bought a Calxeda machine which holds server boards of ECX-1000 SoCs. Each of these SoCs hold 4 x ARM Cortex A9...

    Started by javpicorel, 12-07-2012
    • Replies: 1
    • Views: 3,264
    01-28-2013 Go to last post
  20. static variable not initialize?

    hello, my program running on redhat 5.7, kernel version is 2.6.18-274.el5 x86_64, meanwhile, there have a shell to watch it, this shell use awk...

    Started by angus83, 01-24-2013
    • Replies: 2
    • Views: 823
    01-28-2013 Go to last post

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