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Forum: Kernel

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

  1. Driver regression

    Can someone please give a clue of what would be the chances of this bug to ever be fixed, or never? I just need to decide if I should throw my lovely...

    Started by marexposed, 3 Days Ago
    • Replies: 1
    • Views: 186
    3 Days Ago Go to last post
  2. Doubt regarding the direct reclaim process during OOM

    Hi, During an OOM, during direct reclaim process, how to know how many pages will be scanned by the kernel? And in what situation the...

    Started by karthik537, 3 Days Ago
    • Replies: 0
    • Views: 70
    3 Days Ago Go to last post
  3. Need help in debugging the OOM (out of memory) problem from the logs

    Hi Friends, I don't have good knowledge on debugging out of memory issues. I am still in learning stage. So, requesting your help in debugging...

    Started by karthik537, 4 Days Ago
    • Replies: 0
    • Views: 67
    4 Days Ago Go to last post
  4. What does the linux scheduler algo return if there are no tasks left?

    struct rt_info* sched_SOMETHING(struct list_head *head, int flags) { /* SOme logic */ return best; } The above is a function from...

    Started by nightfury79, 1 Week Ago
    • Replies: 1
    • Views: 317
    6 Days Ago Go to last post
  5. How does Linux allocate memory for its allocator?

    Hi, I was recently delving into the details of Linux's memory management as I want to implement something similar for my own toy kernel, so I was...

    Started by jrhetf4xb, 1 Week Ago
    • Replies: 2
    • Views: 317
    1 Week Ago Go to last post
  6. How to update kernel?

    I want to update my kernel by copying in a binary compiled for my hardware. What else do I have to change, replace for this to work?

    Started by mattrix, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 10
    • Views: 398
    1 Week Ago Go to last post
  7. Question How Linux Device driver Aspirant should start / How Developers actuall

    Hi Out of Interest and enthusiasm i recently bought beagle bone black :) with out having a clear road map I am a device drivers aspirant and...

    Started by dshyam91, 2 Weeks Ago
    • Replies: 0
    • Views: 190
    2 Weeks Ago Go to last post
  8. Writing driver to produce external clock signal?

    Hi, I'm trying to write a camera driver. I need to provide a clock to the camera and I'm not sure how to do this. I tried something like this:...

    Started by pgib8, 3 Weeks Ago
    • Replies: 1
    • Views: 240
    3 Weeks Ago Go to last post
  9. Linux device drivers

    Hai I am new learner of Linux device drivers can any one explain the polling & interrupt driven in device drivers

    Started by rajesh.alamuru, 08-21-2005
    • Replies: 3
    • Views: 3,997
    3 Weeks Ago Go to last post
  10. How to get back datas displayed on the screen ?

    Hi everyone, I'ld like to get back character strings that are diplayed on the screen (for instance the letters of this post you see on your...

    Started by ADDON, 4 Weeks Ago
    2 Pages
    1 2
    • Replies: 10
    • Views: 355
    3 Weeks Ago Go to last post
  11. This kernel requires an x86-64 CPU, but only detected an i686 CPU

    I recently downloaded Kali Linux (derived from Debian) from Offensive Security and installed it into Virtual Box. I had specifically chosen the 64...

    Started by Harian96, 4 Weeks Ago
    • Replies: 1
    • Views: 216
    4 Weeks Ago Go to last post
  12. How to add extra dependencies to kernel modules

    I'm trying to add fbtft kernel module as an external package in openwrt by copying all necessary files in /package/fbtft directory. I found this...

    Started by bogdanul2003, 02-02-2015
    • Replies: 2
    • Views: 606
    02-03-2015 Go to last post
  13. USB Gadgetfs

    Hello All, I want to explore gadgetfs for file trasnfer, i have googled so many links but I am not clear about the exact procedure to follow. ...

    Started by ashwindeshpande, 02-02-2015
    • Replies: 0
    • Views: 158
    02-02-2015 Go to last post
  14. Loading Linux from U-boot which is launch from a another bootloader

    We are facing issue while loading Linux on P4040 processor. Here is the details. - Current Bootloader is running on board and it is loading QNX...

    Started by rupamksarma, 01-28-2015
    • Replies: 1
    • Views: 282
    01-30-2015 Go to last post
  15. Memory Mapped File Corrupted on Shutdown

    I have a library that provides access to a shared file for several applications. It uses mmap(... MAP_SHARED ...) to create a mapping to the file...

    Started by jay214128, 01-19-2015
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 805
    01-22-2015 Go to last post
  16. Using Qemu for completely new os

    Hi all, We are developing a custom os for e500v2 core. Using the cross compiler for power-pc. We have generated the build and tested on the actual...

    Started by techieanupam, 01-11-2015
    • Replies: 1
    • Views: 309
    01-21-2015 Go to last post
  17. Uncompressed Kernel

    How do I build a kernel with no compression, such as : Gzip (KERNEL_GZIP) Bzip2 (KERNEL_BZIP2) LZMA (KERNEL_LZMA) XZ (KERNEL_XZ) LZO...

    Started by splash_wave, 01-15-2015
    2 Pages
    1 2
    • Replies: 10
    • Views: 507
    01-16-2015 Go to last post
  18. Terminating 'init' during shutdown

    If the 'init' process ever terminates, there will be a kernel panic. (This can be most easily tested by setting init to eg. /bin/sh and then exiting...

    Started by Warp, 01-16-2015
    • Replies: 3
    • Views: 219
    01-16-2015 Go to last post
  19. intrrupt service routine in "struct v4l2_subdev_core_ops" (V4L2)

    Hi All, I am discovering usage of struct v4l2_subdev_core_ops following Link: lxr.free-electrons.com/source/include/media/v4l2-subdev.h?v=3.2 In...

    Started by sukhoivietnam, 01-11-2015
    • Replies: 0
    • Views: 199
    01-11-2015 Go to last post
  20. Crashdump problem

    Is this the place to ask for help installing crashdump on a Ubuntu server system?

    Started by brilyant, 01-06-2015
    • Replies: 2
    • Views: 308
    01-10-2015 Go to last post

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