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Forum: Kernel

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

  1. Global variables in multi-file device driver

    Hi, I am writing a Linux Device driver for 2.6 kernel (for the first time). There is plenty of code so I decided to split it into 2 files. I have...

    Started by agaurav, 02-08-2010
    • Replies: 2
    • Views: 1,953
    02-09-2010 Go to last post
  2. what does this error mean?

    kernel module does not exist.... what does this error message mean? I have to reboot everytime I get this and the error goes away. I am lookin for a...

    Started by ngandhi, 02-08-2010
    • Replies: 1
    • Views: 811
    02-09-2010 Go to last post
  3. device driver - problem while reading cascaded symlinks

    Hello I have a strange problem with a device driver. Let me describe the problem: There is symlink, L1 and it shows another symlink, L2 and L2...

    Started by xyzt, 02-08-2010
    • Replies: 0
    • Views: 838
    02-08-2010 Go to last post
  4. networking functions not in kernel

    select() and shutdown() and SOCK_NOBLOCK don't compile in a kernel module build. Are they renamed?

    Started by douglaskbell, 02-06-2010
    • Replies: 6
    • Views: 1,047
    02-08-2010 Go to last post
  5. Lightbulb How the first console driver output text to monitor?

    Hi, All: How the first console driver output text to monitor? How could the DUMMY vga_con.con_putcs() realize the output? ...

    Started by gfz2004xy, 02-08-2010
    • Replies: 0
    • Views: 1,103
    02-08-2010 Go to last post
  6. Smile Which is the actual console driver used by printk function? (x86, 32bit)

    Hi All: Which is the actual console driver used by printk function? (x86, 32bit) When boot the kernel, the printk output message...

    Started by gfz2004xy, 02-05-2010
    • Replies: 5
    • Views: 1,845
    02-08-2010 Go to last post
  7. Low speed for PCI express driver

    Hi, I am currently writing a PCI-express driver for a lab-PCIcard with a lots of memory on it. The driver should be used to access the memory and...

    Started by orback, 02-05-2010
    • Replies: 3
    • Views: 3,134
    02-07-2010 Go to last post
  8. how is 'sleep()' and rand() done in kernel module?

    I'm getting "warning: implicit declaration of function 'sleep' and 'rand'. How can I track elapsed time (seconds, or milliseconds) in the kernal?...

    Started by douglaskbell, 02-01-2010
    • Replies: 9
    • Views: 14,433
    02-07-2010 Go to last post
  9. how to do sched_yield() in the kernel?

    How is a sched_yield() done in a kernel module? The problem is that the kernel module is sending TCP out, but the thread never yields to allow...

    Started by douglaskbell, 02-02-2010
    • Replies: 2
    • Views: 3,424
    02-07-2010 Go to last post
  10. SCTP client implementation in kernel space

    I want to make a simple SCTP client server module in kernel space. I used Fedora core 6 (kernel 2.6.18.1) and installed lksctp 1.0.6. I run the...

    Started by Jinkle Wei, 10-24-2007
    • Replies: 3
    • Views: 3,308
    02-06-2010 Go to last post
  11. Is there a way to view processes weight values

    Hi, I am working on a school project which involves manipulating the timeslice allocated to processes. I know I can adjust the process priorities...

    Started by colinragoo, 02-06-2010
    • Replies: 2
    • Views: 708
    02-06-2010 Go to last post
  12. how to detect TCP disconnection

    How is loss of a TCP connection detected, and handled so that another connection can be made? We have an embedded Linux kernel module that listens...

    Started by douglaskbell, 02-06-2010
    • Replies: 0
    • Views: 1,183
    02-06-2010 Go to last post
  13. [SOLVED] 2.6.30 compilation problem

    hi i am using fedora 12 with kernel version 2.6.31 i have downloaded kernel 2.6.30 and when untar and compile it make menuconfig make and...

    Started by rakeshkumar, 02-05-2010
    • Replies: 2
    • Views: 815
    02-05-2010 Go to last post
  14. PCI Device Driver

    Hi, I am writing a PCI device driver. After I load (insmod) my driver, kernel seems to create a link in /sys/bus/pci/devices 0000:06:00.0 ->...

    Started by jxu1106, 02-03-2010
    • Replies: 1
    • Views: 1,481
    02-03-2010 Go to last post
  15. monitoring lan clients bandwith usage

    Hello I've a dsl modem running on linux. Is it possible to monitor lan clients' bandwith usage via /proc or by a system call? Thanks.

    Started by xyzt, 02-02-2010
    • Replies: 9
    • Views: 2,672
    02-03-2010 Go to last post
  16. Enabling Scalable I/O for IpSec packets

    Hi linux experts! I wanted to know how I can enable scalable I/O in the case of IPSec encrypted packets to support RSS supported Intel NIC cards....

    Started by rajkum, 01-29-2010
    • Replies: 3
    • Views: 2,643
    02-03-2010 Go to last post
  17. Avoid memory copying between user space and kernel space

    I recently started working with Linux and wrote my first device driver for a hardware chip controlled by a host CPU running Linux 2.6.x kernel. ...

    Started by agaurav, 01-15-2010
    • Replies: 6
    • Views: 21,436
    02-02-2010 Go to last post
  18. Linux USB disk development

    Hi all Now I changing and developing some kernel stuffs which is related to Linux FileSystems. My work is just to find the solution for the...

    Started by ganzorig, 01-28-2010
    2 Pages
    1 2
    • Replies: 11
    • Views: 3,104
    02-02-2010 Go to last post
  19. [SOLVED] need TCP networking in a kernel module

    What includes are required to add a TCP socket to a kernel module? We need an existing kernel module to connect a listening TCP port, and need to...

    Started by douglaskbell, 01-30-2010
    • Replies: 2
    • Views: 1,385
    02-01-2010 Go to last post
  20. Capturing an oops from my buggy kernel module

    Hey guys, this is my first post so I'll try to make it a good one! My setup: VMWare workstation running Ubuntu (Windows host). I'm working on...

    Started by tmerrifi, 01-27-2010
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,180
    02-01-2010 Go to last post

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