Programming :: Build Module Against Headers That Are Not From Running Kernel?
Apr 13, 2011
I'm trying to debug a module I programmed but I don't want to do it on the running host but against UML (don't want to reboot every 5 minutes).
The UML kernel I downloaded is 2.6.38.2. I have already downloaded the ubuntu kernel headers for this version (they belong to natty though I'm running maverick.... when I installed the .deb file with dpkg I had no problem at all).
Now I'd like to build said module against these headers. How can I do it?
Here's the makefile for my module code...
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Oct 25, 2009
I'm building a Kernel on System A to use on System B. I've followed the walkthrough on [URL], and I get the following rpms:
kernel-debuginfo-common-i686-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-firmware-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAE-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAEdebug-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAEdebug-debuginfo-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAEdebug-devel-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAE-debuginfo-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
kernel-PAE-devel-2.6.30.8-64.hymerfania_dbg.fc11.i686.rpm
What I don't get are any
kernel-headers-<version>.<arch>.rpm
Files. Don't I need them to rebuild modules and drivers on System B? Otherwise, how should I copy my new headers to System B? BTW, System B crashes when I try to build the Kernel on it, that's why I'm building debugger Kernels on System A.
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Jul 25, 2010
I'm trying to use module-assistant to add the vboxdrv using instructions also found here in the debian forum. However, m-a can't find the linux-headers because it looks for the package linux-headers-2.6.32-5-trunk-686. I attempted to specify were the headers were by using:
m-a prepare --kernel-dir /usr/src/linux-headers-2.6.32-5-686/
but also doesn't work. Instead, I get the error:
Bad kernel version specification at /usr/bin/m-a line 566.
Anyone knows how to work around this?
By the way, the reason I am doing this is because when I installed virtualbox (following the instructions in debian wiki) there's no vboxdrv. When I try to modprobe it, I get:
FATAL: Module vboxdrv not found.
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Aug 6, 2011
My VMWare Player was working fine After updating the kernel it is throwing the error "Unable to build kernel module" my kernel is 2.6.40-4.fc15.x86_64 what to do?
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Apr 26, 2011
I am using the 13.1 build scripts from slackbuilds.org. I modified the scripts to build 3.2.12 rather than 3.2.10.
In 13.1 the main VirtualBox 3.2.12 OSE package built and installed without errors. The VirtualBox GUI starts without errors.
Running the virtualbox-kernel-mksrctarball.sh script built a kernel source package without errors.
Yet the VirtualBox kernel module won't build. I receive the following error:
Code:
]*** Building 'vboxdrv' module ***
make[1]: Entering directory `/dev/shm/virtualbox-kernel-3.2.12/vboxdrv'
make KBUILD_VERBOSE= -C /lib/modules/2.6.33.11-smp-2/build SUBDIRS=/dev/shm/virtualbox-kernel-3.2.12/vboxdrv SRCROOT=/dev/shm/virtualbox-kernel-3.2.12/vboxdrv modules
[Code].....
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Apr 24, 2011
I can't get the nVidia kernel module built. Each time DKMS runs to install it (I'm trying to install it with the nvidia-kernel-legacy-173xx-dkms package on ), the build fails with a different error. Here is an exemple /var/lib/dkms/nvidia/173.14.27/build/make.log (I have a geForce FX 5200 on the computer I'm trying to install the nVidia driver):
DKMS make.log for nvidia-173.14.27 for kernel 2.6.32-5-686 (i686)
dimanche 24 avril 2011, 17:28:09 (UTC+0200)
make: entrant dans le r©pertoire /var/lib/dkms/nvidia/173.14.27/build
[code]....
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Nov 7, 2010
That's it guys. I have successfully installed the proprietary ati drivers in past 6.34 and 6.35 kernels but not in latest .6.36. I'm wondering if this have something to do with compatibility or not.
Installation log shows me some errors I can't recognize:
Code:
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Mar 4, 2010
I had an issue with the module build for vbox 3.1.2 breaking on the latest kernel ( /etc/rc.d/rc.vboxdrv setup ). Apparently the issue is that a kernel header (autoconf.h ) has changed its location in the module tree and hence the issue.
2 options:
1. upgrade to 3.1.4
2. create a symlink as follows
cd /usr/src/linux/include/linux
ln -s ../generated/autoconf.h autoconf.h
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Nov 9, 2010
I have a fresh installation of Fedora14_x64 and after that I have updated the OS also.
Then I have installed VMware-Player-3.1.2-301548.x86_64.
All the installation procedure has completed successfully without any error.
But when I am going to run VMWare It is throwing some error.
I am attaching all the needed screenshot and log file also.
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Feb 26, 2011
before i get a lot of annoyed responses, I did check the forum and found a couple older previous threads on this topic, but they don't seem to really explain any real solutions to the problem im having.Here's the story- I was looking around for instructions and found this "howto guide" on installing nvidia display driver [URL]I went through the steps he listed:
downloaded the driver packages, install the dependencies from the shell, and then i pressed CTRL+ALT+F2 to get out of X and into text mode. I stopped my gdm with the command: sudo /etc/init.d/gdm stopand then i tried to install the driver using: sudo sh (on my NVIDIA driver- his version was a bit outdated compared to the one I downloaded)But here is where the problem starts, as I go through the installation process and click yes, i reach the "progress bar" then the screen says "unable to build the NVIDIA kernel module". and then it just exits. What is going on here? Am I missing some other package or file?
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Jan 9, 2010
I started slax in cli mode and tried to install nvidia driver before running X but it won't install. My log:
Code:
nvidia-installer log file '/var/log/nvidia-installer.log'
creation time: Sun Jan 10 04:21:14 2010
option status:
license pre-accepted : false
Update : false
Force update : false
Expert : false
uninstall : false
Driver info : false ....
ERROR: Unable to build the NVIDIA kernel module.
ERROR: Installation has failed. Please see the file '/var/log/nvidia-installer.log' for details.
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Jul 25, 2010
I am trying to install atheros AR5007EG on my toshiba laptop -i figured out that best way to install this wireless card is through madwifi -while configuring madwifi i get this error
I am posting the output of different commands so you can understand better -i manually tried to link the build directories to kernel-source which failed - i am not sure exactly what kernel source is and how i can link to kernel source -
My output:
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Mar 13, 2011
I'm trying to install the nVidia driver for a fresh Installation of OpenSUSE 11.4 (32-bit) but I'm running into some issues. I followed the instructions (SDB:NVIDIA the hard way - openSUSE) using the driver binary mentioned in the workaround link (NVIDIA DRIVERS 256.53 Certified) but the installer fails while building the kernel module with the following errors:
Code:
nvidia-installer log file '/var/log/nvidia-installer.log'
creation time: Sun Mar 13 17:32:56 2011
[code]....
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Jun 23, 2011
I've just installed clean copies of both VirtualBox v4.0.8 and Fedora 15. Now I have followed the instructions here : [url] to install the latest VBox guest additions.
Each time I try I get the following message:
The headers for the current running kernel were not found. If the following module compilation fails then this could be the reason. The missing package can be installed with
yum install kernel-devel-2.6.38.8-32.fc15.i686.PAE.
However, if I run that command I am told there is no such package available. The guest addition installer continues seemingly OK, but after a restart they are not loaded.
I've just moved to Fedora from Ubuntu due to major issues with its new version.
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Jun 12, 2011
when i try and run the latest vmware workstation, i get an error at compiling virtual machine monitor it says: Unable to build kernel module. See log file /tmp/vmware-root/setup-7625.log for details. When i try and go to the folder vmware-root it says i do not have the required permissions. I'm on the latest 11.04, i really need this working.
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Jan 5, 2011
do you have any code to flash led lights with paralel port (device driver programming)or any lecture about this subject .if there is a working code this would be better ofcourse.
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Jun 18, 2010
Im trying to build parted 2.3, but I always end-up in the same error:
Code:
In file included from arch/linux.c:42:
/usr/include/scsi/scsi.h:152: error: expected specifier-qualifier-list before 'u8'
/usr/include/scsi/scsi.h: In function 'scsi_varlen_cdb_length':
/usr/include/scsi/scsi.h:163: error: 'struct scsi_varlen_cdb_hdr' has no member named 'additional_cdb_length'
[Code]...
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May 8, 2010
i am using vmplayer 3.0 for linux. and i want to insert module on ubuntu 9.4 which is running on vmplayer. how can i insert new module on vmplayer.
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Dec 8, 2013
I'm trying to build the kernel module for dvbhdhomerun. The problem is the linux kernel headers provided by Debian do not have the dvb header files. Trying to set up my own kernel source tree to use is not working out so well.
I'm following the instructions in the Debian section here: [URL] ....
My first try compiled, but the modules ender up under /lib/modules/3.2.51/extra instead of /lib/modules/3.2.0-4-amd64/extra. Why?
I tried to start over, but noticed this while running apt-get source linux-image-3.2.0-4-amd64:
Code: Select allReading package lists... Done
Building dependency tree   Â
Reading state information... Done
Picking 'linux' as source package instead of 'linux-image-3.2.0-4-amd64'
NOTICE: 'linux' packaging is maintained in the 'Svn' version control system at:
svn://svn.debian.org/svn/kernel/dists/trunk/linux/
[Code] ....
The failure to verify the signature has me concerned, but beyond that, what do I do about the different version number when compiling and installing the kernel modules?
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Apr 3, 2011
I`m trying to compile sources of kernel module which has been written for kernel 2.6.9. There were many changes in kernel headers since then in current kernel sources. I`ve found that old /asm/system.h was moved under architecture dedicated directory /arch/*/include/asm/system.h. Anyway during sources compilation I`m having errors related to kernel sources. It looks like there is something wrong with this /asm/system.h
Code:
../asm/system.h: In function �__cmpxchg�:
../asm/system.h:248: error: expected string literal before �LOCK_PREFIX�
../asm/system.h:254: error: expected string literal before �LOCK_PREFIX�
[code]....
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Jan 14, 2011
I am looking for information to insert kernel module into kernel. I am not looking at dynamically insert of kernel module using insmod, modprobe etc. I am looking for statically insertion of kernel module procedure, such as what to change on makefile, what to change on menuconfig, what to change on .config file, etc.
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Feb 22, 2011
There is a file called elevator.c. It is written as a module (i.e it has specific init and exit functions). However we are not able to see it in lsmod listing. We are working on a project where we need to modify this file. Compiling every time we change something will be time consuming. Is it possible to compile just this file and insert it as a normal module?
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Jul 6, 2010
I have just started learning Device driver programming in Linux and am stuck in my first program. Its just to see init_module and cleanup_module calls to use printk and see results using dmesg. program is:
Code:
#define MODULE
#include<linux/module.h>
int init_module(void)
[code].....
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May 28, 2010
I am trying to learn how to write a kernel module. I am following the excellent guide from The Linux Documentation Project called The Linux Kernel Module Programming Guide v.2.6.4.
My machine is running Ubuntu Lucid Lynx (10.04)
Code:
I installed the corresponding linux headers and just to make sure I also installed the linux source and extracted it in /usr/src
I am trying to run the following trivial kernel module
Code:
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Mar 2, 2011
I'm currently doing a tutorial for writing kernel modules. Right now I'm still at the very beginning, i.e. writing my helloworld stuff.
But what I like to do now is to write stuff onto the console, and I don't get it. According to my tutorials I can print stuff on the console using the printk()-function as long as the priority-level of the macro used in printk() is lower than the console_loglevel (how can I find that value out btw?).
But it doesn't work for me. Even if I use KERN_EMERG it still gets only logged, but not printed on the console and I thought KERN_EMERG get always printed...
Here's my code:
Code:
Code:
Everything works fine. But as soon as there are any blanks in mystring, e.g.
Code:
I always get
Code:
Why do I get this error and how can I insert string with blanks?
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Aug 27, 2014
I'm trying to compile a Linux kernel module called hello-2.c using the command "make -C /lib/modules/$(uname -r)/build M=${PWD} modules" (without the quotes) (which I found online), and the following is the (seemingly successful) output.:
Code: Select allmake: Entering directory `/usr/src/linux-headers-3.2.0-4-amd64'
 Building modules, stage 2.
 MODPOST 0 modules
make: Leaving directory `/usr/src/linux-headers-3.2.0-4-amd64'
However, I don't see a hello-2.ko (in the same folder or anywhere else for that matter). I'm Using Debian GNU/Linux 7.6.
Everything I am doing is within a folder/directory called "thefolder" (without the quotes) in the "/tmp" directory (without the quotes).
Why I can't see a hello-2.ko, and what to do to get it?
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Apr 27, 2010
There is a module A which is compiled with the kernel. I wrote an external module B which exported a symbol using EXPORT_SYMBOL.The module A now needs to talk with that exported symbol (function call). For that i modified A so that it includes the function call from B. However i now get unidentified symbol errors during 'make' operation as symbols of B are not present during kernel compile and A now kind of depends on B.
One solution is that make B part of the kernel as well. However, it would mean that whenever now i try to compile a kernel with a different source, i have to modify the config files and everything to accommodate B.Hence i am seeking a solution which does not include modifying the kernel.
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Apr 16, 2010
I need a module that flash Caps-Lock led. Is it possible to use outb() function here for sending data to keyboard via port 0x64 ?
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Jun 10, 2010
How can we fire a shell command like ls,./a.out automatically in kernel space via a kernel module ? i.e. replacement of system() function of user space into kernel space.We need to develop a kernel module which can fire some shell command let say "firefox [url]" automatically to open google automatically from module.
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May 14, 2010
I'm currently working with wireless network kernel module.
This device initialiy gets its IP address by using DHCP,
but the problem is sometimes the new IP assigned for internal reason.
So what I want to do is assigning new(changed)IP address into exsiting
interface, or occuring DHCP renew event to cause update IP from kernel
level. This shold be done without user's intervention, so whenever the
kernel module detects IP changed(via underlying wireless
communication), it automatically correct update its IP address.
Q1) any functions or api to cause DHCP renew event from kernel level?
Q2) or any functions or api to assign IP address to specific interface?
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