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Forum: Kernel

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

  1. [SOLVED] Get the root dir of a chrooted process in string format

    I run this in Linux 3.2 in a kernel module but get "rootdir: /" instead of the chroot directory which should be "rootdir: /chrootdir". char...

    Started by antoniocruz, 12-13-2014
    • Replies: 4
    • Views: 901
    12-14-2014 Go to last post
  2. rootfs changes after new built-in module?

    hello. i'm trying to learn more about linux. i want to experiment with built-in modules. i can build "my own" kernel, but it's the same as when...

    Started by pgib8, 12-10-2014
    • Replies: 0
    • Views: 529
    12-10-2014 Go to last post
  3. Is it possible to make a keylogger for Linux?

    ... what's involved, and how difficult is it, exactly? Thanks.

    Started by resetreset, 12-05-2014
    • Replies: 3
    • Views: 1,096
    12-09-2014 Go to last post
  4. Two Rate Three Color Marker support by Linux kernel

    Hello, Does anyone knows if rfc2698 (A Two Rate Three Color Marker) or rfc4115 (A Differentiated Service Two-Rate, Three-Color Marker with Efficient...

    Started by zismane, 12-07-2014
    • Replies: 1
    • Views: 690
    12-07-2014 Go to last post
  5. Non-blocking probing in a sw defined nic driver

    Hi, I'm writing a kernel network module for a software defined nic. The main issue I'm dealing with is this: After the device comes "up"...

    Started by meerkat, 12-06-2014
    • Replies: 0
    • Views: 568
    12-06-2014 Go to last post
  6. LVM snapshot and block cache

    Hi, Simple question I've been wondering about but cant find a definitive answer to. When I create an LVM snapshot of a volume, will that snapshot...

    Started by AiEpHx, 11-29-2014
    • Replies: 3
    • Views: 1,094
    11-29-2014 Go to last post
  7. Software ECC check on nand flash

    Hello, i recompiled my kernel with (Software) ECC (BCH) flags switched on for the nand flash. the ubifs now seems to work on top of the ubi on...

    Started by clogwog, 11-26-2014
    • Replies: 0
    • Views: 947
    11-26-2014 Go to last post
  8. Killed messages in Linux kernel module

    Hello everyone, I am trying to write a kernel module. The code is below. What I am trying to do here is basically hook the read system call and...

    Started by nmahendru, 11-22-2014
    • Replies: 1
    • Views: 877
    11-25-2014 Go to last post
  9. NEED SOME HELP regarding IVT to IDT transition when in protected mode

    Hello all, as a part of the coursework I have been taking my semister's assignment involved mini-kernel design that emphasizes on multi-tasking and...

    Started by gglf000, 11-23-2014
    • Replies: 0
    • Views: 538
    11-23-2014 Go to last post
  10. Mapping Noncontiguous Physical RAM

    I'm working with an ARM based system using kernel 3.2.6. This system has two physical RAM banks located in noncontiguous addresses. What is the...

    Started by jay214128, 11-19-2014
    • Replies: 1
    • Views: 738
    11-19-2014 Go to last post
  11. [SOLVED] Unable to open a file from procfs after setcap.

    Hello! I've got some problem with procfs and process capabilities. After updating to kernel 3.16, applications which use procfs (/proc/self/*)...

    Started by idgrasp, 10-27-2014
    • Replies: 6
    • Views: 1,783
    11-18-2014 Go to last post
  12. [Wandcam ov5640] Can't use high resolution modes with width and height

    Hi everybody, Few days ago, I've been playing with a WandCam (Sensor OmniVision OV5460) and with my Wandboard Solo's target (Freescale i.MX6...

    Started by Boadrius, 11-18-2014
    • Replies: 0
    • Views: 1,409
    11-18-2014 Go to last post
  13. Implement PMI (Performance monitoring interrupt) handler on x86_64

    Hi guys, I want to implement my own PMI (Performance monitoring interrupt) handler in my kernel module on x86_64 architecture. Is there any...

    Started by ZverBle, 11-17-2014
    • Replies: 0
    • Views: 483
    11-17-2014 Go to last post
  14. Post TLB Data Miss is different for using mmap with MAP_SHARED or MAP_PRIVA

    I tested the TLB Data Miss for a large piece of memery(e.g. 2GB), and found that it is different for malloc and mmap with MAP_SHARED, MAP_ANONYMOUS....

    Started by woodslong, 11-14-2014
    • Replies: 0
    • Views: 586
    11-14-2014 Go to last post
  15. Proc filesystem deprecated

    Hi, I heard that the proc file system will be depricated from the future versions of the Linux kernel. I would like to if this is true or not,...

    Started by kemosparc, 11-12-2014
    • Replies: 5
    • Views: 2,700
    11-13-2014 Go to last post
  16. Exclamation Qemu Memory addresses print

    I am new to qemu development. I wanted to print the corresponding addresses involved when a memory has been assigned to a virtual machine. For...

    Started by Shivaramakrishnan, 10-30-2014
    • Replies: 0
    • Views: 943
    10-30-2014 Go to last post
  17. Why Linux swappines is so high while HDD is slower than RAM?

    Why linux default (i have Redhat CenOS) swappiness (Swappiness - Wikipedia, the free encyclopedia) value is 60 (to rather use disc than RAM?) while...

    Started by postcd, 10-28-2014
    • Replies: 3
    • Views: 860
    10-29-2014 Go to last post
  18. Page table allocation!

    Hi experts, A quick question about allocation of page tables. Is it possible to force Linux kernel to allocate pages only at a specific part of the...

    Started by hnnemati, 10-29-2014
    • Replies: 0
    • Views: 584
    10-29-2014 Go to last post
  19. compile specific source file in Linux coreutils package

    I need to compile a specific version of cp (copy) command from the Linux coreutils source file. Instead of compiling the whole package. iam just add...

    Started by san_man, 10-27-2014
    • Replies: 1
    • Views: 722
    10-27-2014 Go to last post
  20. Exclamation OS Development Resources Related

    Hello, I am new to OS System Development. I have the concepts behind as to how an OS works,how paging, scheduling etc work, but now want to...

    Started by Shivaramakrishnan, 07-31-2014
    • Replies: 4
    • Views: 2,384
    10-20-2014 Go to last post

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