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Forum: Kernel

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

  1. user space pthread application read a variable changed by kernel

    Hi, If I define a new variable in kernel (e.g. sched.c) codes, I want a user space thread (pthread) can read the value of this variable. ...

    Started by jeffwang66, 01-16-2014
    • Replies: 1
    • Views: 325
    01-16-2014 Go to last post
  2. Linux subsystems

    Hi, i need to know what kind of subsystem are ide tapes, for scsi tapes have scsi_tape, i don't know if for ide tapes is similar ide_tape, or no....

    Started by junkinmailbox, 01-12-2014
    • Replies: 3
    • Views: 360
    01-12-2014 Go to last post
  3. How to inform a user-level thread an upcoming context switch

    Hi, Within a pthread program, is there a way to write codes to explicitly check upcoming context switch behavior on this thread (e.g. check some...

    Started by jeffwang66, 01-10-2014
    • Replies: 1
    • Views: 218
    01-12-2014 Go to last post
  4. Temporarily changing the priority of a single thread

    Hi, In Linux with sched_other policy, is the priority of a single thread (pthread) be temporarily increased so that this thread is more likely to...

    Started by jeffwang66, 01-10-2014
    • Replies: 1
    • Views: 239
    01-10-2014 Go to last post
  5. A flag visible on both user-level thread and linux kernel

    Hi, What flag can be visible for both user-level thread and linux kernel scheduler? For example, if a user-level thread gives the flag a value,...

    Started by jeffwang66, 01-10-2014
    • Replies: 1
    • Views: 265
    01-10-2014 Go to last post
  6. Module CPU/GPU

    Hi, i'm a new user on this forum. I need know which kernel module i've to edit to assign the threads to CPU or CPU. I'm using kernel 3.2.54 Sorry...

    Started by foketto, 01-09-2014
    • Replies: 7
    • Views: 419
    01-09-2014 Go to last post
  7. Need information about kernel alarms

    Hi, We are working on developing an Alarm Manager module in our project which manages all alarms reported by different modules centrally. Couple...

    Started by vas_04614, 01-03-2014
    • Replies: 1
    • Views: 334
    01-03-2014 Go to last post
  8. Linux Device Driver Scull pipe testing error

    Hi Guys Actually I am in the learning stage of the Linux Device Driver and learning it from the Orielly Linux device driver 3rd edition. I am...

    Started by cena007, 01-01-2014
    • Replies: 0
    • Views: 525
    01-01-2014 Go to last post
  9. post diagnostic

    Hi all, Any one know how to do post diagnostic test of each peripherals?what changes should have to made on uboot?.. please give me a...

    Started by tintu1212, 12-11-2013
    • Replies: 2
    • Views: 457
    12-21-2013 Go to last post
  10. Ad-Hoc Networking

    Hello everyone, I am developing a product that requires an ad-hoc mesh network. I have a Raspberry Pi with a WiFi adapter, which I am attempting...

    Started by KyleFromBullEx, 12-20-2013
    • Replies: 0
    • Views: 424
    12-20-2013 Go to last post
  11. Qemu: Could not open gdbserver on device 'tcp::1234'

    I posted this question on qemu-forum but for some reason, the site no longer seems to load for me (on any computer or browser). I have installed...

    Started by jjorloff1, 08-28-2011
    • Replies: 1
    • Views: 1,713
    12-18-2013 Go to last post
  12. undefined symbol dev_hard_start_xmit!

    I am trying to use the dev_hard_start_xmit for hard_start_xmit in my driver but insmod says it is undefined. But I could see it in kallsyms. also its...

    Started by madhavb, 12-17-2013
    • Replies: 0
    • Views: 301
    12-17-2013 Go to last post
  13. Question Correctly install binutils?

    I'm a newb to this build your own linux stuff. I got about as far as building binutils following the directions on LFS but once I got to bin making...

    Started by vailixi, 12-13-2013
    • Replies: 1
    • Views: 324
    12-16-2013 Go to last post
  14. error in building uboot

    Hi all, When i am building uboot for colibri t20 module it showing some error as follows, gcc/arm-none-linux-gnueabi/4.4.1/include -pipe ...

    Started by tintu1212, 12-13-2013
    • Replies: 0
    • Views: 488
    12-13-2013 Go to last post
  15. Question Dynamic IPV6 hoplimit set

    Hi geeks, I was try to write a socket function which will alter the hoplimit of a IPV6 packet dynamically via setsockopt(). Below are my analysis...

    Started by csakthikumar, 12-11-2013
    • Replies: 1
    • Views: 287
    12-11-2013 Go to last post
  16. Question echo 3 > /proc/sys/vm/drop_caches takes forever

    Hello, I have a Thecus NAS and for some reason it runs a monitoring script that, among other things, checks /proc/meminfo every 60 seconds and...

    Started by rmm, 12-10-2013
    • Replies: 0
    • Views: 532
    rmm
    12-10-2013 Go to last post
  17. Kernel panic - not syncing: No init found

    Hi All, I am working on digi-connect me 9210 from digi. Because of the lack of nfs support on the current kernel build that I am working on,...

    Started by olaoni, 11-22-2013
    2 Pages
    1 2
    • Replies: 10
    • Views: 725
    12-09-2013 Go to last post
  18. debian compile error

    when excute command(make) to install invenio according to this tutorial invenio-software.org/wiki/Installation/InvenioOnDebian this error ...

    Started by altarek, 12-02-2013
    • Replies: 1
    • Views: 381
    12-08-2013 Go to last post
  19. Help me get started with custom unix kernel

    Hey guys, I have few question on how to get started to build a custom kernel for one my project. As you see that I am posting it in newbie section...

    Started by DanglingChap, 12-04-2013
    • Replies: 5
    • Views: 536
    12-06-2013 Go to last post
  20. porting driver from 2.6.30 --> 2.6.10 (montavista distro, PPC MPC8572)

    Hi, I just need to port a Wifi driver for a module connected to a SPI interface from 2.6.30 to 2.6.10 . What are major differences between these...

    Started by mrkozmic, 12-06-2013
    • Replies: 1
    • Views: 431
    12-06-2013 Go to last post

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