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Questions tagged [kernel-module]

120 questions
43
votes
5 answers

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?
JohnnyFromBF
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35
votes
3 answers

How do I figure out why systemctl service "systemd-modules-load" fails?

For some time I've seen some red text flashing by during boot. Today I decided to look into it. The systemctl service systemd-modules-load.service is failing with this text: tomas@bonus-debian:~$ sudo systemctl status systemd-modules-load ●…
Hubro
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29
votes
5 answers

How to load tun module in linux?

I cannot manage to load the tun module in my ArchLinux box. I’m trying to connect with OpenVPN, but the log says: nm-openvpn[6662]: Note: Cannot open TUN/TAP dev /dev/net/tun: No such device (errno=19) lsmod | grep tun Returns nothing: If I…
rabipelais
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14
votes
4 answers

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?
Gris
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11
votes
3 answers

Delete kernel module completely

I would like to ask you how can I delete some kernel module completely? I mean really delete, not unload or prevent to load. I tried to use rmmod, but it just unloaded module, same as modprobe -r. So I got list of all modules using modprobe -n -v…
Majzlik
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10
votes
2 answers

No OpenSSL sign-file signing_key.pem leads to error while loading kernel modules

I am having problems while loading/installing a kernel module. The kernel module builds successfully, but whenever I try to make module_install, the kernel seems to fail to load. It leaves the below error message :- At main.c:158: - SSL…
Arnabjyoti Kalita
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7
votes
3 answers

VMWare Workstation vmmon broken on Ubuntu 18.04

I upgraded to Ubuntu 18.04 and the vmmon.ko module for VMWare Workstation 12.5.9 now fails to build. /usr/lib/vmware/modules/source/vmmon-only/linux/driver.c: In function…
user1330734
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7
votes
1 answer

What is "modloop" option in Alpine?

I'm trying to understand what is the difference of making Alpine installation medium as read-only type (LiveCD) and as a standard disk mode (where the OS state can be saved). I've seen the modloop option when the author of this article…
Timur Fayzrakhmanov
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5
votes
1 answer

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…
Alex
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5
votes
2 answers

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 "modules" file in /etc directory. (i am using…
thehilmisu
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5
votes
2 answers

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?
719016
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5
votes
3 answers

Do both lsmod and /proc/modules use the same mechanism to retrieve 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 malicious modules.
user61954
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4
votes
1 answer

Backing Up Kernel Modules from a GNU/Linux installation

How can I create a backup of all the driver modules (especially those that are not part of the original kernel yet) from an installation of GNU/Linux OS? The original source of the proprietary drivers has gone offline and I need to do a clean…
rinfinity
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4
votes
1 answer

Can you pass options to a linux kernel module through the boot parameter?

I have an issue that is fixed by changing the lpfc driver to run using MSI interrupts. This is done by adding “options lpfc lpfc_use_msi=2” /etc/modprobe.conf.local file. Is there a way to make this change using kernel boot parameters?
countingtoten
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3
votes
0 answers

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 -a command on the properly working server. But…
nyzsirt
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