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Forum: Kernel

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

  1. help regarding memory driver

    Hello I want to write to some specific physical address in the system memory space. I am writing a driver for it. I am using following functions ...

    Started by atif_shabir, 10-26-2009
    • Replies: 5
    • Views: 559
    10-28-2009 Go to last post
  2. Angry [help] try to build loadable .ko file for a specific kernel (2.6.24-1-486)

    In my project, I am trying to build a loadable .ko file for a Linux box with specific linux kernel (uname -r result is 2.6.24-1-486) installed on it....

    Started by dumbcoder, 10-24-2009
    • Replies: 1
    • Views: 1,206
    10-27-2009 Go to last post
  3. How does the kernel differentiate between ram and i/o addresses?

    How does the kernel know that these are addresses on physical ram and these are i/o memory addresses? I want to make some of my physical ram memory...

    Started by atif_shabir, 10-27-2009
    • Replies: 0
    • Views: 527
    10-27-2009 Go to last post
  4. Is there any way to treat physical ram address as i/o address?

    Hello I want to write a driver to write directly to some specific physical address in the system memory. I am new to driver programming and I used...

    Started by atif_shabir, 10-27-2009
    • Replies: 0
    • Views: 532
    10-27-2009 Go to last post
  5. how to relate gcc *.c file with its .out file

    Hi, I am looking for a solution to find some relativity between *.c and its *.out file in gcc (g++) execution. as example gcc hello.c -o hello.out...

    Started by mrshanim, 10-22-2009
    • Replies: 1
    • Views: 728
    10-26-2009 Go to last post
  6. Completely replacing networking stack

    Hey all, I'm a long-time programmer, mainly in C, and I want to learn a lot more about the Linux kernel and networking - so I've decided to do...

    Started by SpareRoom, 10-25-2009
    • Replies: 0
    • Views: 845
    10-25-2009 Go to last post
  7. module licence unspecified taints kernel

    Hi All, I am trying to create one kernel module that is multi file module . i am trying to do thi sfor my learning purpose . when i am...

    Started by nayankumarp, 10-23-2009
    • Replies: 0
    • Views: 659
    10-23-2009 Go to last post
  8. Question Need some guidance for a class project (count the number of times write() is invoked)

    Hi, I am a newb here, taking an OS class. This is my first time messing with Linux at all. So far I have installed Ubuntu, compiled the Linux Kernel...

    Started by elguapo_85, 10-21-2009
    • Replies: 1
    • Views: 460
    10-22-2009 Go to last post
  9. Problem in writing to physical memory through a module

    Hello I want to write data to a physical address of my choice. For it I am writing a driver (just like parallel port driver). In my driver code I...

    Started by atif_shabir, 10-22-2009
    • Replies: 1
    • Views: 525
    10-22-2009 Go to last post
  10. prepare_creds

    Hello, I am new to linux kernel programming, and I've run into a spot of trouble. I need to use the prepare_creds() and commit_creds() functions...

    Started by gnomff, 10-22-2009
    • Replies: 0
    • Views: 1,227
    10-22-2009 Go to last post
  11. problems in coding an serial port interrupt handler for linux !!

    I got a new problem with the following interrupt handler code with respect to serial port 1. I have a cable connecting two serial ports of two...

    Started by shrupnakha, 10-20-2009
    • Replies: 0
    • Views: 1,355
    10-20-2009 Go to last post
  12. Problem with memory mapping in ia64 server.

    Hello friends, Iam writing a driver for PCI-X based add on card in HP X-5670 server with RHEL-5(2.6.18-55EL) with 4GB RAM. As per my requirement I...

    Started by sumanaboju, 10-20-2009
    • Replies: 0
    • Views: 449
    10-20-2009 Go to last post
  13. Problem in writing to PCI BAR

    Hi all I am developing a PCIe device driver on a machine 64 bit and using Suse 10 , for testing my driver I tried to do loopback on the...

    Started by mahmoudeltahawi, 10-19-2009
    • Replies: 0
    • Views: 1,549
    10-19-2009 Go to last post
  14. Kernel debugging [kdb]

    Hi, I have compiled kernel 2.6.31.4 and apply real-time patch "patch-2.6.31.4-rt14.bz2" Then I wanted to install "kdb", and I followed...

    Started by probe, 10-18-2009
    • Replies: 0
    • Views: 1,826
    10-18-2009 Go to last post
  15. Thumbs down Atl1 failed to work properly after resuming from hibernation (Tuxonice)

    My computer is ASUS laptop, M51SN with Ubuntu Jaunty installed. I compiled the kernel source downloaded from...

    Started by ddreamer, 10-17-2009
    • Replies: 0
    • Views: 556
    10-17-2009 Go to last post
  16. device-mapper: reload ioctl failed: Invalid argument

    I have got a strange error while working through the project.... I am using dmsetup to make flash drive as cache to hard disk by the below...

    Started by ganigaadu, 10-16-2009
    • Replies: 0
    • Views: 5,363
    10-16-2009 Go to last post
  17. how to change QSHRMEMCTL values?

    Hello I read in an article that QSHRMEMCTL values allow/disallow to write on mapped memory locations which are mapped by using mmap(). Can anybody...

    Started by atif_shabir, 10-16-2009
    • Replies: 0
    • Views: 1,003
    10-16-2009 Go to last post
  18. Undelete on ext3fs - is it possible ??

    i googled for help on ext3 undelete, but all i found was for ext2fs. can undelete be accomodated for an ext3 filesystem ??? ne suggestions?? ...

    Started by UnDetEctEd, 09-11-2004
    • Replies: 1
    • Views: 5,441
    10-16-2009 Go to last post
  19. Question Regarding ISR Context

    Hi kernel experts, I have the following queries regarding the interrupt service routine context and process context. When Interrupt service...

    Started by dinkyverma279, 10-15-2009
    • Replies: 0
    • Views: 1,229
    10-15-2009 Go to last post
  20. gtk configuration problem

    Hi all, I am trying to install "gtk-2.10.0" in my target board based on ARM architecture. I had installed glib-2.10.0, pango, cairo, Atk... I...

    Started by ravikumarkandhi, 10-15-2009
    • Replies: 0
    • Views: 554
    10-15-2009 Go to last post

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