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Forum: Kernel

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

  1. Difference between chrt and nice with PREEMPT_RT kernel

    Hello! Could someone explain to me the difference between using chrt (set realtime priority) and nice when using a PREEMPT_RT kernel? I've got...

    Started by jaakkos, 03-27-2009
    • Replies: 1
    • Views: 2,315
    04-16-2009 Go to last post
  2. linux 2.6.29 port spi driver to s3c2440??????

    linux-2.6.29 i have a s3c2440 board .i "make menuconfig" to enable the spi core and spi user mode driver i get a error "no platform data supllied" ...

    Started by whereisdog, 03-30-2009
    • Replies: 1
    • Views: 4,511
    04-16-2009 Go to last post
  3. linux device driver for MMC

    device driver for MMC means driver for slot or card?

    Started by Ranjithnandanan, 03-30-2009
    • Replies: 1
    • Views: 4,617
    04-16-2009 Go to last post
  4. need help

    hi I am working in company.My next project is device driver for MMC in linux 2.6. I analyzed the MMC code present the kernel but i am not...

    Started by Ranjithnandanan, 03-31-2009
    • Replies: 1
    • Views: 752
    04-16-2009 Go to last post
  5. using mkfs.ext3

    Hi all, i am newbee to embedded linux, i need to create an .ext3 image for my filesystem to be loaded into my flash in the target board. can anyone...

    Started by ravikumarkandhi, 04-01-2009
    • Replies: 1
    • Views: 3,064
    04-16-2009 Go to last post
  6. LCD application usnig frame buffer

    Hi all, I am writing application for LCD, I am getting error when i am using fb_info, fb_ops, while fb_fscreeninfo, fb_vscreeninfo are not giving...

    Started by ravikumarkandhi, 04-07-2009
    • Replies: 1
    • Views: 1,374
    04-16-2009 Go to last post
  7. modprobe help

    Hi all, How can i insert /dev/fb0 device module using the modprobe. please help me out. thanks all.

    Started by ravikumarkandhi, 04-10-2009
    • Replies: 1
    • Views: 766
    04-16-2009 Go to last post
  8. Lightbulb User Threads - Memory Protection

    Dear forum hello, I'm currently writing a User-Level Thread Library. The general idea is very simple: I have a struct called Thread. Each...

    Started by baum, 04-14-2009
    • Replies: 1
    • Views: 2,237
    04-16-2009 Go to last post
  9. How to access the User Space Variable in Kernel

    How to access the user space variable in kernel space, I need to do this because if any Driver fails in module initialization i will write the status...

    Started by rheosiva, 04-15-2009
    • Replies: 1
    • Views: 947
    04-15-2009 Go to last post
  10. intersegment jump

    Hi, I have a question regarding finding the address of the next instruction and making an intersegment jump to it. Binary FILE 1 (loaded at...

    Started by kdeveloper, 04-13-2009
    • Replies: 2
    • Views: 1,606
    04-14-2009 Go to last post
  11. Kernal

    Hi ................ can any one help me , how to update my kernal...... with Regard .. Satya

    Started by satyarintusingh, 04-11-2009
    • Replies: 1
    • Views: 720
    04-11-2009 Go to last post
  12. 2.6.27 - 2.6.29 upgrade.. RAID 0 CCISS now slower

    I am using Gentoo on a HP DL380 G3. Intel Xeon (P4) 3.06ghz processors, with a HP COMPAQ CCISS ARRAY in RAID 0 mode (hardware, linux just sees one...

    Started by Touchtecservers, 04-11-2009
    • Replies: 0
    • Views: 874
    04-11-2009 Go to last post
  13. Vitrual USB Filesystem

    Is it possible to create a virtual USB drive in linux?Can we create a partition or a loop back device that enumerates itself as a USB drive when...

    Started by itisravi, 04-11-2009
    • Replies: 2
    • Views: 952
    04-11-2009 Go to last post
  14. Driver using driver

    Hi folks, I want to write a device driver that I can 'select' on. It'll use the standard I2C driver for hardware access. But I'm not sure how to...

    Started by adrianmay, 04-10-2009
    • Replies: 0
    • Views: 741
    04-10-2009 Go to last post
  15. Accessing user memory from kernel module

    Hello, I have following problem. I need to allocate pretty big amount of memory in kernel module to store there some data, but kmalloc fails to...

    Started by agoldstein, 04-08-2009
    • Replies: 1
    • Views: 974
    04-08-2009 Go to last post
  16. applets for the scripts on board 8548

    hi all, i am working on 8548board.after writing the script for booting the board automatically for jffs i am getting the error applet not found. ...

    Started by pngali, 04-08-2009
    • Replies: 0
    • Views: 734
    04-08-2009 Go to last post
  17. What does this "benchmark" actually test?

    I apologize ahead of time if I posted to the wrong area... My test: time dd if=/dev/zero of=/dev/null bs=1024k count=1024 I was dealing with...

    Started by stevemagg, 04-07-2009
    • Replies: 1
    • Views: 759
    04-07-2009 Go to last post
  18. Linux USB driver problem with external hub

    I am working on a device driver for providing connectivity to a Silabs F340 board through USB. All the required software, including firmware on the...

    Started by chainz, 09-21-2008
    • Replies: 2
    • Views: 5,384
    04-05-2009 Go to last post
  19. number of arguments in write call

    Hi, Can anyone explain this to me - or is something wrong with the code I am looking at ... I am looking at the source of an application that...

    Started by ArticGiraffe, 03-26-2009
    • Replies: 4
    • Views: 1,214
    04-03-2009 Go to last post
  20. CPU Load Average Stats from Kernel?

    Hi Is there a way to get the CPU load average statistics from a user-space program directly, (i.e., a function call instead of reading...

    Started by bandeg, 03-31-2009
    • Replies: 1
    • Views: 2,233
    04-03-2009 Go to last post

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