Questions tagged [modprobe]
modprobe is a Linux program and used to add a loadable kernel module (LKM) to the Linux kernel or to remove an LKM from the kernel.
154
questions
47
votes
6
answers
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What's the difference between insmod and modprobe?
Are there any differences between insmod and modprobe?
36
votes
1
answer
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How to install 3rd party module so that it is loaded on boot?
I have a third party module to go with a frame grabber. I've downloaded the kernel source, followed the vendor's instructions to compile it, and have the resulting module, arvdrv.ko, sitting in a ...
34
votes
8
answers
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"Could not open moddep file '/lib/modules/3.XX-generic/modules.dep.bin'" when mounting using a loop
Running 14.04 in virtualbox 4.3.8
Unable to detect the guest additions.iso when i selected the guest additions.iso in the IDE Secondary Master.
No problem, so I used wget and downloaded the iso into ...
32
votes
5
answers
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views
Sound only works from left speaker?
After installing Ubuntu 13.04 x64, I realised that my sound wasn't working (only headphone showed up in settings).
Following this guide, I manually added my Dell Studio 1740 audio hardware to:
...
21
votes
1
answer
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How do I make modprobe permanent?
For my wireless adapter (inside my computer) to enable it, I run modprobe b43 and that turns it on. But, when I reboot it goes back to no device. So, how do I make this totally permanent?
19
votes
7
answers
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Virtualbox broken after a dist-upgrade -- cannot install virtuabox-dkms nor run modprobe vboxdrv
I am running Ubuntu 20.04 and recently did a dist-upgrade.
uname -r: 5.8.0-34-generic
I purged Virtualbox and associate files by:
sudo apt-get purge "^virtualbox-.*"
After trying to ...
14
votes
2
answers
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views
How to load a module in initrd?
I want to explicitly load a module (say, netconsole) during the initrd stage, similarly to /etc/modules in the main system startup procedure.
First, I checked that the initrd in my system already ...
11
votes
2
answers
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views
Why do I need to re-load kernel modules for virtualbox after a kernel update?
After the last kernel upgrade in Ubuntu 12.10 I had to manually re-load two kernel modules for Virtualbox.
modprobe vboxdrv and modprobe vboxnetflt
I don't know enough about the system to say if ...
10
votes
1
answer
5k
views
What is the difference between modprobe and dkms?
Noob question here....
I read about modprobe and dkms and it seems to me they do the same thing, so what is the difference?
10
votes
7
answers
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VirtualBox Installation gives message "modprobe vboxdrv" failed
VirtualBox Installation gives message
sudo modprobe vboxdrv
modprobe: FATAL: Module vboxdrv not found.
I have updated system with
sudo apt-get update
followed with
reboot
Ubuntu version: 14....
10
votes
3
answers
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views
How can I ensure the `snd-hda-intel` module is loaded on startup?
I need to type sudo modprobe snd-hda-intel in order to get my sound card to work.
What config file do I need to edit and what edit should I be looking to make so I can get the sound driver loading ...
10
votes
1
answer
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Can't load wireguard module
I have a VPS server running Ubuntu 18.04 LTS where I wanted to install a WireGuard VPN service. I have started with adding the repository and then installing the module which is running fine and ...
10
votes
2
answers
10k
views
Nouveau blacklisted but loaded
Hi I am trying to use Ubuntu-Prime for ubuntu 18 on an asus laptop with 2 GPU (intel & nvidia).
I found the power consumption of the computer to be way too high when I reboot with only the intel ...
9
votes
2
answers
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views
What is "options iwlwifi 11n_disable=1" in WiFi setting?
One of the common solutions for improving WiFi signal is to use this command
options iwlwifi 11n_disable=1
in
/etc/modprobe.d/iwlwifi.conf
And the number can be 0, 1, 2, 8.
I was unable to find ...
9
votes
4
answers
32k
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No sound in Ubuntu 18.04 HP notebook
Please note that I have tried all solutions in the below two links:
"Dummy Output" sound in Ubuntu 14.04
No Sound card detected in Sound Settings, although sound works
pulseaudio -k &&...
9
votes
0
answers
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views
Failed to initialize NVML: Driver/library version mismatch [closed]
Can you please help me fix this error?
mona@pascal:~$ nvcc -V
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2015 NVIDIA Corporation
Built on Tue_Aug_11_14:27:32_CDT_2015
Cuda compilation ...
8
votes
2
answers
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views
How do I automatically run modprobe v4l2loopback on boot?
I'm using OBS Studio and would like to have a virtual video output saved permanently so that it can be run when the application is launched.
This command creates the virtual output:
sudo modprobe ...
7
votes
1
answer
20k
views
Ubuntu equivalent of mkinitcpio.conf
I have a sh script that should be executed during system boot, as I understand before graphic driver modules are loaded.
Probably this is not relevant for the answer, but this script serves for PCI ...
6
votes
1
answer
8k
views
modprobe nvidia throws error: could not insert 'off'
I am trying to configure bumblebee to switch my nvidia discrete card. As well bumblebee crashes when tries to modprobe nvidia. When i try to do it manually, i face the same error:
$ modprobe nvidia
...
5
votes
1
answer
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Module "ashmem" doesn't load with Secure Boot on (but "binder" does load with secure boot on)
Summary
I'm running Ubuntu 20.04.1 with default kernel 5.4.0-42-generic (installed from Main) on a UEFI system. I want to load two kernel modules ("ashmem" and "binder") with ...
5
votes
1
answer
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How do I load the tp_smapi kernel module on a Lenovo Easypad?
I own a Lenovo EasyPad Z580 running Ubuntu and I'd like to manage more of the power management (battery). I found answers in this question about battery management on Lenovo systems: How can I limit ...
5
votes
3
answers
5k
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How do I fix the 1908 Virtualbox error?
I have the following error:
Kernel driver not installed (rc=-1908)
Please install the virtualbox-ose-dkms package
and execute 'modprobe vboxdrv' as root.
This forbids me to launch any virtual ...
5
votes
4
answers
24k
views
Is is possible to modprobe a module from the boot loader?
I want to modprobe a module from the kernel command line (in my case yaboot, but you are probably more familiar with grub). This is for a workaround for the live CD. I've seen some old advice that ...
5
votes
2
answers
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Can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
I'm trying to open up port 1900 for UDP in order for the Echo to be able to discover the HA Bridge using the following command but I get errors. What is the best solution to fix this?
pi@raspberrypi:~...
5
votes
2
answers
15k
views
USB to Serial adapter doesn't works
I have a USB to serial adapter. It works OK with my desktop computer, but no on my laptop. My desktop PC is a generic computer (Athlon 64 X2 6000+ on board MSI K9AGM, 6 USB 2.0 ports, no USB 3.0 ports)...
5
votes
2
answers
3k
views
open-vm-tools modprobe ERROR: could not insert 'vmgfx'
After doing a dist-upgrade yesterday evening the open-vm-tools-desktop are no longer working correctly. Which means, I can't resize to fullscreen. Trying to do so ends in a black screen. Taking a look ...
4
votes
2
answers
6k
views
ls -1 /dev/{ashmem,binder} yields anticipated result for /dev/ashmem, but an error for /dev/binder
Background
In another post, I reported that:
I'm running Ubuntu 20.04.1 with default kernel 5.4.0-42-generic (installed from Main) on a UEFI system. I want to load two kernel modules ("ashmem&...
4
votes
1
answer
9k
views
Modprobe.conf options not loaded on startup
Bit of a n00b still with Linux, but getting there...
Anyway, I've put a new install of Ubuntu 11 on an old P4 PC of mine I was hoping to give away and I'm having a little trouble with the on-board ...
4
votes
1
answer
9k
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mounting iso file as loop device
I'm trying to shrink my raspberry pi images following this tutorial:
https://softwarebakery.com/shrinking-images-on-linux
root@host:~# modprobe loop # no errors returned
root@host:~# lsmod | ...
4
votes
3
answers
5k
views
Is there a ".d" directory to use to load modules at boot time, opposed to /etc/modules?
I am automating some configurations on my systems using Puppet (however, that is not really relevant here). For a group of machines I want to load a kernel module at boot time. The most elegant way ...
3
votes
2
answers
4k
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No wifi after kernel upgrade to 4.15 OR 4.16
I am on Ubuntu 16.04 and I have this network card: https://www.tp-link.com/uk/products/details/cat-11_Archer-T6E.html
With kernel 4.14.x everything is working just fine. But when upgrading to 4.15.x ...
3
votes
1
answer
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Can't build Ubuntu Kernel: Why does "make mrproper" get rid of debian directory? How do I build a Ubuntu/Trusty kernel without debian/rules?
I've been trying to build a Ubuntu Kernel for the past several weeks. (Actually, I don't need the kernel, I just need snd-aloop.ko, which is missing from the Ubuntu 14 server distributions, it's in 12,...
3
votes
4
answers
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SD card not working :[ 249.480884] mmc0: error -5 whilst initialising SD card
I have an issue with my recent Ubuntu. Actually I have all drivers (USB, WiFi, etc ) working fine however when I insert the SD I can't detect it.
Also I find the following error kernel log:
[ 242....
3
votes
2
answers
4k
views
softdep for vfio-pci wont work
I'm trying to do passthrough so my devices are grabbed by vfio-pci before any other module. Here's my /etc/modprobe.d/01-vfio-pci.conf:
softdep nouveau pre: vfio-pci
softdep nvidiafb pre: vfio-pci
...
3
votes
3
answers
16k
views
How to unload a kernel module which is in use and has a recursive module dependency?
I habe a driver for my ELM 327 an it uses the pl2303 module which depends on the usbserial and this again depends on the pl2303 module.
What I tried:
sudo modprobe -r usbserial pl2303
sudo modprobe -...
3
votes
1
answer
3k
views
Sometimes my wifi on my Thinkpad X201 stops working and I have to restart. Any workaround?
I heard that you can use modprobe somehow to reload the wifi driver. But I'm not sure what driver I'm using. How do I find this out and what's the command to reload the wifi driver into the kernel?
3
votes
1
answer
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Change from the minstrel algorithm
I would like to stop my network card from using the Minstrel algorithm because of a problem I am having.
I have tried creating /etc/modprobe.d/80211.conf with the following in it:
options mac80211
...
3
votes
2
answers
28k
views
mount.cifs gives me "mount error: cifs filesystem not supported by the system"
i try to mount a OneDrive Folder to my Linuxserver. However, as i try mout.cifs with XXX beeing the correct values...
root@XXX:~# mount.cifs //onedrive.live.com/about/en-us/signin/ /usr/plex/share -o ...
3
votes
1
answer
2k
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MinimalCD Network autoconfiguration fails
I'm attempting to get an Ubuntu MinimalCD Install working without much luck..
Working from the guide posted here I can get the CD to boot and I select the Command-Line Installer option. After ...
2
votes
2
answers
7k
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How to prevent a module from being loaded
So I have to use a command every time I boot my laptop in order to my wireless to work.
the command is:
sudo modprobe -r acer-wmi
I found that this is a common type of question but I didn't find a ...
2
votes
2
answers
23k
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How to make modprobe ip_conntrack_ftp persist a reboot
Sorry if this is a stupid question, but to get outbound active FTP connections through our firewall we need to run the following:
sudo modprobe ip_conntrack_ftp
I learned this trick from http://...
2
votes
1
answer
613
views
How do I write a script that runs on startup?
Newbie here. I have a Dell Inspiron 3442 who suffers from the "CPU stuck at 800Mhz" problem. In Windows, I used to run ThrottleStop at every startup and disable BD PROCHOT... So I installed Ubuntu ...
2
votes
3
answers
13k
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No ttyACM0 for Arduino Nano on Ubuntu. How can I attach it?
On my Firefly-RK3399 (arm arch) I have installed their official ubuntu image for the board. I also installed Arduino IDE and when I connect my Arduino UNO then all fine, I can flash it and I see in my ...
2
votes
2
answers
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empty "lsmod | grep loop"
I am trying to mount an ISO image
$ sudo mkdir /mnt/myiso
$ sudo mount -o loop ubuntu-16.04-server-amd64.iso /mnt/uiso
The error message says
mount: /mnt/uiso: failed to setup loop device for /home/...
2
votes
1
answer
97
views
Internet connection does not start automatically
Few months ago I had a problem with my internet connection in my Ubuntu 14.04. Currently, the connection does not start until I execute this command:
sudo modprobe r8169
How can I fix this so that ...
2
votes
1
answer
2k
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must sudo modprobe after reboot
My wierless card is up and working. After each reboot i need to sudo modprobe rt5592sta I have searched and it looks like sudo su
echo ndiswrapper >> /etc/modules
exit should work. I tried ...
2
votes
1
answer
8k
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working with modprobe for getting wifi driver working
After several months of research finally my wifi driver is being detected and working fine ;)
That's good news with credits where i found solution is here
Now, i still have one issue that every time ...
2
votes
0
answers
1k
views
Nvidia driver curiously only loads properly when booting in recovery mode (Not blacklisted, secure boot disabled)
I've been having serious trouble getting the Nvidia drivers working on my machine with Ubuntu 20.04 and 20.10. My graphics card is an RTX 2080 and my machine is an ASUS desktop. I've been getting the ...
2
votes
0
answers
2k
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Load ashmem & kmodsign
I recently install Anbox on my Ubuntu 20.04. I found on the post Module "ashmem" doesn't load with Secure Boot on (but "binder" does load with secure boot on) that I need to ...
2
votes
0
answers
317
views
How do I debug errors with enabling the NFS kernel module?
I am running Ubuntu 18.04 LTS and wanted to use an NFS shared drive.
On most of my servers it just simply worked with
sudo modprobe nfs.
But on this specific server, which was set up exactly the ...