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3answers
178 views

What are Linux kernel modules?

I was wondering if someone could explain what Linux kernel modules are to someone who comes from Windows?
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1answer
3k views

Which process is using a Linux kernel module?

I am trying to run this command: # rmmod nvidia But I get: ERROR: Module nvidia is in use How can I know which process(es) is/are using the nvidia module?
1
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1answer
111 views

How Do I Manage Multiple Kernel Modules by the Same Name?

I have a situation where I have two modules both named cxgb3 and both in /lib/modules/. How do I inform the OS which one to prefer? Consider this example: $ find /lib/modules/ -name cxgb3.ko ...
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0answers
18 views

Reason for empty linux kernel modules

After some non working USB device issues, I just looked after the kernel modules in /lib/modules/, and found some (about 10) .ko files zeroed. The files have some unsuspicious size, but are ony filled ...
3
votes
2answers
4k views

Skip kernel module at boot

There is a broken kernel module, due to which I can not even load the OS, so I can not delete or fix it. Is it possible to skip this module at boot, using the kernel's parameters or something?
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2answers
645 views

Where do I look for Linux kernel module documentation?

Where do I look for Linux kernel module documentation? For example, I've tried googling the module iwlagn, but I cannot find anything that tells me about available options. Where do I look?
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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 ...
3
votes
1answer
2k views

Automatically load kernel module at boot. (Angstrom)

i know how to load your module automatically in ubuntu. you put your module in /etc/modules But, i compile a kernel and filesystem for an embedded system which i am working on it. but there is no ...
6
votes
2answers
5k 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
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1answer
21 views

Start a module at startup on gentoo

I use gentoo. I have a module nammed "cgosdrv" (for instance). I can launch it without problem with "modprobe cgosdrv" (as root) I want to start it automatically at startup, so I add to ...
2
votes
1answer
1k views

Linux - stopping kernel module from automatically loading

I am using Angstrom distribution on my Overo board, and I have a little problem. Sometimes kernel modules that are used to handle my camera are loaded at boot time, sometimes not. I am wondering, is ...
0
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0answers
47 views

How to say the kernel to prefer self built kernel module from extra folder?

I am on Debian 8 with 3.16.0-4-amd64 kernel. It delivers already a driver for some hardware and I want to replace it with my self built module. The files are correctly installed in the extra folder: ...
-2
votes
1answer
23 views

How to compile the linux without any audio codecs?

I want "no audio" functionality in an embedded system. So, any idea about how to configure kernel without any audio? Thanks.
0
votes
1answer
67 views

Where can I find the origin of specific modprobe conf option to erase it?

When I do modprobe -c |less The configuration files contains: options nouveau modeset=1 options bbswitch load_state=0 unload_state=1 options b43 nohwcrypt=1 qos=0 options rd md=0 options rd dm=0 ...
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votes
0answers
154 views

OpenWRT swconfig; how issue command from loaded module?

I have insmod swconfig.ko and in this link: swconfig It is explained how to use >the< swconfig command as, for example: swconfig list VLAN 1: info: VLAN 1: Ports: '12345t', members=003e, ...
0
votes
0answers
45 views

Linux - Encrypt folder (no kernel modules allowed)

I'm trying to encrypt a folder on the fly on Debian Wheezy or create an encrypted container. The problem is: My VPS provider doesn't allow kernel modules. So far I tried EncFS, eCryptFS, dm-crypt and ...
0
votes
1answer
119 views

How add mppe to Debian kernel 3.2.54-2 x86_64

I use debian. 3.2.0-4-amd64 # 1 SMP Debian 3.2.54-2 x86_64 GNU / Linux. I'm trying to setup pptpd, but I'm having trouble adding support "mppe". I' m searching "kernel-patch-mppe" on the debian site ...
0
votes
0answers
47 views

From a kernel module how can we obtain the absolute paths of all the processes running in a system?

I am trying to print info about all the processes running in my system from within a kernel module. I have accessed task_struct and printing info for each process. But I am unable to find a member in ...
1
vote
1answer
483 views

Mount UFS partition on CentOS 7

There is instructions to mount UFS partitions on CentOS (like this), but they use kmod-ufs package from ELRepo, and there isn't such package in ELRepo for CentOS 7. How to install UFS kernel module ...
2
votes
1answer
48 views

Linux module blacklist GUI

Is there a GUI like application that lists all the kernel modules that are inserted at boot-time, with a little description and with an option to remove them? P.S. I'm aware of the manual mode with ...
2
votes
1answer
2k 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 ...
1
vote
1answer
362 views

Does radeon.hw_i2c=1 has any thing to do with temperature readings?

I want to read the temperature out from an Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4290] card if possible. It is integrated on an ASUS M4A89GTDPRO/USB3 motherboard. sensors-detect ...
0
votes
1answer
807 views

What is the difference between “make modules” and “make modules_install”

I'm currently looking up compiling a custom kernel and I find various guides that first say make modules and then make modules_install in the step when you compile and install the modules while other ...
2
votes
3answers
552 views

Debian (crunchbang) enable audible terminal bell

I've been trying to figure this out for over a month, with no real success. I an running debian testing (crunchbang), and the distro has tried to remove all beeps/bells/etc. I've tried using fancy ...
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0answers
133 views

3g modem is not recognized as an ethernet device without rebooting

I have two CentOS5 servers with kernel versions 3.4.52 and Huawei e353 usb 3g modem. When I plug the modem to my server usb_modeswitch runs and I can see the modem as an ethernet device with ifconfig ...
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0answers
69 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
59 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
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2answers
2k views

Howto compile a kernel module on CentOS [required packages]

What yum commands do I need to get available packages installed on CentOS to build a iptables MATCH kernel module.
1
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0answers
166 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
96 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
118 views

Install PCI card driver in debian squeeze

I want to install a PCI adc card on my system. The drivers are delivered as .ko files for Debian. As told in the users manual I tried to add this module to the kernel by using: insmod xxx.ko, ...
2
votes
2answers
609 views

bnx2 kernel module not functioning correctly

I have an HP ProLiant server that is running Debian 5. After a reboot, it is not able to bring up any of it's interfaces. If I run ifup eth0, it gives me an error about the device not existing. (It ...
0
votes
1answer
340 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 ...
0
votes
1answer
860 views

How to force Ubuntu/Debian/Mint to unload modules at suspend-to-disk?

I put a DVB-T card into the computer, and now the system hangs at suspend to disk. CTRL-ALT-DEL does not work, hard reset is necessary. I have a faint memory of the trick being to remove the modules ...
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0answers
705 views

VMWare kernel module updater fails

I'm trying to launch VMWare workstation on ubuntu 12.04 LTS. When i launch it, it says "Before you can run VMware, several modules must be compiled and loaded into the running kernel", if i hit ...
0
votes
1answer
250 views

How I can replace linux module which are the same version?

I have compat-wireless module, it's built and patched. I really need to replace the module located in /lib/modules/3.2.0-4-686-pae/kernel/drivers/net/wireless/ with this one but I don't know how do ...
2
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2answers
2k views

cpufreq performance module?

I see no cpufreq performance module: $ ll /lib/modules/2.6.32-358.2.1.el6.x86_64/kernel/drivers/cpufreq/ total 88<br/> -rwxr--r--. 1 root root 20576 Mar 12 18:26 cpufreq_conservative.ko ...
0
votes
1answer
582 views

Make install kernel module without reboot?

I am trying to make changes to a buggy driver on Linux (mint). Is it possible to make and test the changes without rebooting every time?
0
votes
1answer
589 views

KMS, linux kernel 3.7 and ati mobility radeon x1350

I got problem with booting new kernel. If I on bootloader pass nomodeset flag to the kernel linux boots up successfully but it doesnt load radeon module to kernel which is really frustrating cause I ...
2
votes
0answers
74 views

Making hardware profiles for Linux installation

So, I've got a ArchLinux installation on /dev/sda11, and I've imported it into VirtualBox using raw host partitions. Right now, I can boot it both directly and through VirtualBox. The problem is the ...
2
votes
1answer
525 views

Cannot uninstall VMWare Workstation 9 (Linux) - Instance of VMWare VMX still running, ACE VM running

*tl;dr: VMWare WS is oddly resilient to rm -rf. Help?* OS: Linux Mint 14 The problem: VMWare WS 9 reports that an ACE VM is running An instance of VMWare VMX is running, somewhere. The UI for ...
0
votes
2answers
777 views

How to make sensors-detect work on my Intel Pentium M, thus stopping the fan?

After successfully installing lm-sensors on my fresh Turnkey Linux I called sensors-detect. Alas, it reports it can not detect any sensors. I did try the 2010 script that comes with my Turnkey distro, ...
0
votes
2answers
257 views

Uninstalled driver on Linux Mint still loads when USB plugged in

I have installed a DKMS driver for a USB device from a PPA. I am making changes to the code and trying to uninstall the driver with apt-get --purge remove, but when I plug in the device, the kernel ...
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 ...
2
votes
2answers
513 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
77 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 ...
1
vote
1answer
3k views

KVM module not found by virtual machine manager

On ubuntu when I launch the virtual machine manager I get a warning saying that KVM is not installed. I installed it from apt-get. Ran modprobe and got: $ modprobe -l | grep kvm ...
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2answers
1k views

Update kernel module option on Fedora 17

There is a kernel module hid_apple, and I need to set its option fnmode to 2. So, I've created /etc/modprobe.d/hid_apple.conf file with such content options hid_apple fnmode=2 Then run dracut -f ...
0
votes
1answer
58 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
576 views

Will custom kernel module persist through kernel upgrades?

I was wondering if custom kernel modules that I compile and install via a package will persist through a kernel upgrade. I am trying to install ZFS as kernel module in Ubuntu but the problem is ...