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Forum: Kernel

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

  1. 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: 925
    01-30-2013 Go to last post
  2. 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: 960
    01-28-2013 Go to last post
  3. 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: 4,263
    01-28-2013 Go to last post
  4. 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: 967
    01-28-2013 Go to last post
  5. No /usr/src/linux found

    Hi guys, I am in confusion :confused:. I cannot find the /usr/src/linux file on my centos6.3. I only have "debug" & "kernel" folder under...

    Started by sheauyun, 01-27-2013
    • Replies: 1
    • Views: 709
    01-27-2013 Go to last post
  6. Modifying the bio struct (in bio.h)

    Hello Developers, I am currently attempting to modify the bio struct in bio.h for linux-3.2.0. All I need to do to this structure, at the moment,...

    Started by Misiu10, 01-08-2013
    • Replies: 4
    • Views: 1,005
    01-25-2013 Go to last post
  7. Ping failed in Linux kernel 2.6.31

    Hi all, I have a problem and need some help. In the Linux kernel 2.6.31.8 physical NIC ping virtual NIC timeout. Roughly as follows: ...

    Started by rokokueiT, 01-10-2013
    • Replies: 1
    • Views: 1,017
    01-24-2013 Go to last post
  8. compute the run time and sleep time of a process in kernel 2.4

    hi there i'm working on a project about implementing a new scheduler into kernel 2.4 version. i figured out the concepts of how it works. However, i...

    Started by quartaela, 12-18-2012
    • Replies: 1
    • Views: 709
    01-24-2013 Go to last post
  9. Ext4 Filesystem

    In Ext4 if both flex_bg & meta_bg features are enabled, then the copies of super-block and group descriptors follow which pattern? Does it follow the...

    Started by ksubramaniam, 12-31-2012
    • Replies: 1
    • Views: 1,203
    01-23-2013 Go to last post
  10. Virtual Memory

    I have a doubt about the linux virtual memory concept. What does it actually mean when you say that the linux kerenel has 1 gb of virtual memory...

    Started by kartikkg, 01-09-2013
    2 Pages
    1 2
    • Replies: 11
    • Views: 2,382
    01-23-2013 Go to last post
  11. [SOLVED] Why is the swap used even when there is free memory?

    On my Debian Linux system (Linux 2.6.32) it looks like the swap is being used even though the system has plenty of free memory. The output from...

    Started by ricard, 01-22-2013
    • Replies: 1
    • Views: 722
    01-22-2013 Go to last post
  12. Adding TCP Illinois to the kernel

    Hi, I am exploring TCP Congestion Control algorithms and I want to add TCP Illinois to my kernel so I can test it. Any idea how? I have never...

    Started by sholex, 01-15-2013
    • Replies: 1
    • Views: 923
    01-20-2013 Go to last post
  13. Problem with lnuma+fork+execvp+ "ls"

    Hi, i got problem with lnuma+fork+execvp+"ls". That is: In my program i call functions from "libnuma" to find out which cpus are from which...

    Started by cswb, 01-18-2013
    • Replies: 0
    • Views: 777
    01-18-2013 Go to last post
  14. Question usb sd card reader driver - where to start?

    I have a usb sd card reader (A sandisk microcuzer). It used to work with older linux version, but doesn't run on my fedora 17 anymore. I am a...

    Started by netsuvi, 01-08-2013
    2 Pages
    1 2
    • Replies: 10
    • Views: 5,472
    01-16-2013 Go to last post
  15. device driver for hard disk

    I have an embedded system and I have developed a device driver for a hard disk controller. When I insert the driver using insmod I get the following...

    Started by beandigital, 01-13-2013
    • Replies: 2
    • Views: 842
    01-14-2013 Go to last post
  16. cpu offline is getting me crazy

    Hello, I have an AMD Athlon(tm) II X4 635 Processor with asusm4a89td pro/usb3 motherboard and 8gb of ecc ram. OS is Ubuntu 12.10 (but problem...

    Started by mgiammarco, 12-28-2012
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,736
    01-12-2013 Go to last post
  17. Prevent kernel reading partition information from disk

    Hi all, I don't know if this is the right forum, but i'll try it anyway... Lately i get a lot of damage disks, which i'm asked to take a look at,...

    Started by drSp0ck, 01-11-2013
    • Replies: 1
    • Views: 1,101
    01-12-2013 Go to last post
  18. [SOLVED] VM CentOS kernel panic after kernel upgrade

    After yum upgrade on KVM CentOS 6.2 got kernel panic when trying to boot any of listed kernels. Available kernels: Error message: Is...

    Started by self_ru, 01-11-2013
    • Replies: 1
    • Views: 1,216
    01-11-2013 Go to last post
  19. i.MX6 Linux Build - Data Abort Exception

    Am attempting to build a Linux O/S (uImage) for a custom i.MX6 SBC. Build completes fine and the O/S attempts to boot. In the function start_kernel...

    Started by pauldemet, 01-09-2013
    • Replies: 0
    • Views: 1,333
    01-09-2013 Go to last post
  20. Question improvement of Linux os for scalable multi core architecture

    Dear Sir/Madam, I am mtech final year student of IITkgp,India , roll no-11cs60r23. I want to know what improvements can be made to Linux os for...

    Started by ranjuchhatna, 12-18-2012
    • Replies: 2
    • Views: 734
    12-28-2012 Go to last post

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