0
votes
1answer
130 views

dkms does not find kernel source

For days now I am trying to get ZFS-on-Linux working on Debian 7 but the module doesn't want to compile: # dpkg-reconfigure zfs-dkms ------------------------------ Deleting module version: 0.6.3 ...
0
votes
0answers
19 views

Acpitool no information

When I run as root acpitool I recieved Battery is not present, bailing out. AC adapter : <info not available> Thermal info : <not available> I can understand why all the ...
0
votes
0answers
41 views

What is the difference between cat and normal file operations on proc files

I have implemented a ps like utility module for procfs which extracts basic information such as command, pid, tgid etc. I have used the sequence file approach. I am inspecting my proc file using two ...
1
vote
0answers
56 views

Linux - How to list all device nodes using a specific device driver

I know I can see what driver is being used for a device node if I know the major and minor number of the device(see this link). But I want to know if there's a way to list all device nodes that are ...
0
votes
1answer
53 views

Linux 2.6.39.4 how to find available loadable kernel modules

I'm customizing the 2.6.39.4 linux kernel on an arm platform and trying to test out a "Hello World" driver I created. I selected "M" (loadable) in the kernel make menuconfig and verified that it ...
0
votes
0answers
72 views

Linux kernel module is not running anymore when switching from mdev to udev

I'm using Buildroot 2013.10 to generate my Linux 2.6.39 Images, with the following Kernel module: void GPIO_LED(void) { printk(" GPIO: set PC8: '0'); at91_set_gpio_value(AT91_PIN_PC8, 1); ...
0
votes
1answer
139 views

Linux kernel - check currently used drivers

Is it possible to check what drivers from linux kernel source are used for currently working devices in the system? I know that usually device drivers are written as kernel modules, but some of them ...
3
votes
2answers
2k views

How to get a list of active drivers that are statically built into the linux kernel?

While I can use lsmod in order to show currently active kernel modules, how can I see which drivers are statically built into the kernel AND currently active?
0
votes
1answer
2k views

How to downgrade Linux kernel

I have a Linux machine running RHEL3.8 with kernel release 2.4.21-66.ELsmp. How can I downgrade the Linux kernel to 2.4.21-47.ELsmp? Second: About the last kernel upgrade, can we find logs somewhere ...
1
vote
2answers
394 views

Linux kernel compiling: standalone OS

Hi guys I'm new to linux kernel compiling so I have some question: By compiling linux kernel are we building a totally standalone OS which doesn't depend on any linux destributions? If yes... Well ...
0
votes
1answer
72 views

Development environment for embedded system [closed]

I need to develop software in C/C++ for an embedded system. I have Debian 6 running off of a USB hard drive. I would like to be able to generate a stripped-down kernel with modules, and install them ...
0
votes
1answer
1k views

Disable “longhaul” kernel module with a GRUB command?

I've got a problem with a VIA C3 (1GHz)-system: the system freezes immediately when the CPU frequency goes under 731MHz because of an incompatibility with the (not completely implemented) i686 ...
0
votes
1answer
56 views

Building modules with linux kernel for custom flavor

I followed the instructions for building a custom kernel and booting it. Everything works fine, except that when building it, I used the option skipmodule=true (as given in this link), so I guess the ...
2
votes
1answer
115 views

Oracle Virtualbox on statically compiled kernel

I can't seem to find any documentation on the subject. I'm working on putting together a linux install for a fairly "dirty" environment. Best practice there would be a statically compiled kernel ...
0
votes
1answer
1k views

How to add ahci module to linux-image-2.6.38-11-virtual kernel?

I just installed Ubuntu 11.04 with the linux-image-2.6.38-11-virtual kernel as a virtual machine in VirtualBox (4.1.2). When I booted the machine after installation, I got this error message: FATAL: ...
2
votes
2answers
2k views

lsmod and /proc/modules

I can get a list of modules using either lsmod or cat /proc/modules. Do the two approaches use the same mechanism to retrieve the modules? I want to know this as we could use it to find some hidden ...