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.
123
questions
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vote
1answer
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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 ...
0
votes
0answers
13 views
HP 15DW and Ubintu 18.04.03 - WiFI Adapter not found after reboot [duplicate]
Hi i have installed Ubuntu 18.04 on my Hp 15DW but the Wifi Adapter was not found, i followed the instructions in this page it Works but when i reboot the computer i need to run the following commands ...
2
votes
3answers
110 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 -...
0
votes
1answer
96 views
Screen tearing reappeared after updating form 19.10 to 20.04 (GeForce GTX 1050 Ti Mobile)
I am using an MSI GL62M 7REX laptop which has a GeForce GTX 1050 Ti Mobile graphics card. When I was using Ubuntu 19.10, I was able to deal with screen tearing in the following way:
Similarly to this ...
2
votes
1answer
446 views
Using DSLR camera as a webcam
I am trying to use my Canon DSLR as a webcam, on an Ubuntu machine. The camera does not show up as /dev/video*.
The camera shows up in hwinfo --usb:
19: USB 00.0: 10f01 WebCam
[Created at usb.122]
...
1
vote
1answer
100 views
Ubuntu server: Cannot setup dummy driver alsa (LXC container) // modprobe issue [duplicate]
I'm trying to setup alsa on my ubuntu server, but it seems that the drivers are not installed & I don't know how to solve this problem. I just wanna setup a dummy soundcard. But I really don't ...
0
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0answers
44 views
Installing Anbox in Ubuntu [duplicate]
I am trying to install Anbox in Ubuntu.
Installing the Kernel Modules using the following command is successful:
sudo apt install anbox-modules-dkms
However when I attempt to start the kernel ...
2
votes
1answer
122 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
0answers
42 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 ...
2
votes
0answers
268 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
...
2
votes
1answer
1k 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 ...
0
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0answers
258 views
unable to load the module for vfat support with modprobe
I'm doing a lab in this course and I'm asked to : "Load the module for vfat support; does it have any dependencies ?"
The answer for this lab is these commands :
modprobe vfat
modinfo vfat
lsmod ...
1
vote
1answer
652 views
Sign iwlwifi kernel module for SecureBoot
After a kernel update of Kubuntu 19.10 (i.e., via normal updates), wifi has stopped working, and the driver is not loaded anymore. I have tried to run sudo modprobe -v iwlwifi unsuccessfully with this ...
0
votes
0answers
81 views
modprobe sit not working in ubuntu 18.04 LXD container
I tried to run modprobe sit and it says that
"Module sit not found in directory /lib/modules/4.15.0-65-generic".
I am running a Ubuntu 18.04 LXD container.
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vote
0answers
107 views
Stop modprobe spam
I setup GPU passthrough, it works, but ubuntu is spamming modprobe processes, it consumes lot of CPU, this is log from dmesg:
[22014.015852] PKCS#7 signature not signed with a trusted key
[22014....
3
votes
1answer
3k views
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 startet with adding the repository and then installing the module which is running fine and ...
2
votes
1answer
886 views
I still get “Dummy output” for audio after installing alsa-base and pulseaudio
I tried using my audio recently and I noticed that I couldn't any more, I've tried a few of the options I've seen but they do not seem to work:
Dummy Output in Audio; nothing is working (ALSA broken?)...
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votes
0answers
79 views
Why modrobe loop does not work on my Ubuntu 18.04?
I tried this in the first place
lsmod | grep loop
I got no output
modprobe loop
Than I tried again
lsmod | grep loop
There is no output again.I can not mount my device.
How to fix this problem?
1
vote
0answers
627 views
Anbox-Modules-dkms Won't Install
I'm having trouble installing the modules sudo modprobe ashmem_linux and sudo modprobe binder_linux. Every time I try the code I get this message in my Terminal
modprobe: ERROR: could not insert '...
0
votes
1answer
140 views
Why is a device file not created?
Upon insertion of a mass USB storage device like an external hard drive or a flash drive, dmesg -w notes its insertion but no corresponding file such as /dev/sda or /dev/sdb is created.
5
votes
2answers
807 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 ...
1
vote
2answers
170 views
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/...
0
votes
1answer
8k 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 ...
2
votes
2answers
3k 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 ...
4
votes
1answer
4k 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
...
1
vote
0answers
54 views
WiFi adaper not found on Ubuntu 18.04 [duplicate]
I cannot connect via WiFi and I've tried following the instructions in another question, but I get an error when modprobeing the module rtl8273de.
You can see the commands I ran on a clean install of ...
0
votes
1answer
2k views
Disable usb port [duplicate]
I want my computer to stop listening on a specific usb port. The problem is that the device connected there keeps disconnecting and reconnecting. I think this may be due to a hardware fault. The usb ...
0
votes
1answer
156 views
How can I renable my wifi controller after modprobe -rv?
I was trying to improve the wifi signal range, but when I executed the command sudo modprobe -rv rtl8723bemy wifi stopped working and I cannot do anything.
How I do reset the config or rollback this ...
0
votes
1answer
321 views
Does /lib/modules folder must be on root device?
Just trying out things, I mounted a btrfs subvolume on /lib/modules, installed kernel on it. Everything seemed fine. But when I modprobe any module, it returned 0 without message and did not load that ...
0
votes
2answers
4k views
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 ...
8
votes
2answers
5k 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 ...
8
votes
4answers
21k views
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 &&...
3
votes
2answers
3k views
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 ...
0
votes
0answers
268 views
Ubuntu completely broke my sound device
I installed Ubuntu 17.10 in dual boot.
But, in Ubuntu, I could not play sound from the speaker, while headphones worked fine. On Windows, both headphones and speakers worked fine.
So I found this ...
0
votes
0answers
255 views
Unable to mount sftp drive using sshfs - could not open builtin file
I'm trying to mount sftp drives to my box (Ubuntu trusty - yes I know its old) however I'm getting an issue whenever I try
Output from sshfs command fuse:
device not found, try 'modprobe fuse' ...
0
votes
2answers
413 views
Usb Wifi adapter stopped working after forceful shutdown
I have a tl-wn722n. I installed the driver 8188eu using dkms and then ran it with modprobe the first time after installing ubuntu 16.04 and it was working. Now after a forceful shut down (through the ...
8
votes
1answer
3k 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?
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0answers
116 views
In Ubuntu 17.04, for what this file is for /etc/modprobe.d/i915_disable_rc6.conf
I have found this file i915_disable_rc6.conf in folder path /etc/modprobe.d.
The file content is
options i915 enable_rc6 = 0
Anyone know for what this file is for. If I keep this file, my keyboard'...
0
votes
0answers
78 views
My wifi has stopped working! How do I fix it?
I am using Ubuntu 16.04 on my Dell Inspiron 1525 and I have Broadcom BCM4311 Network Controller and I had been using the firmware-b43-installer package and everything was OK. But there was an update ...
0
votes
0answers
75 views
VirtualBox Installation gives message “modprobe vboxdrv” failed [duplicate]
I have tried quite i few things please help.
If i try this method What I did:
sudo apt-get install linux-headers-uname -r
Reconfigure dkms and load module:
sudo dpkg-reconfigure virtualbox-dkms
...
0
votes
1answer
698 views
Unable to disable Cramfs & vfat using /etc/modprobe.d/ conf file
I have a security requirement that calls for me to disable several file systems that are not being used to lower attack surface.
I have created a file in /etc/modprobe.d/ and some of the file systems ...
1
vote
0answers
28 views
installing virtualbox in ubuntu 16.04 [duplicate]
I have installed virtual box on my ubuntu 16.04 following instructions described here.
Last command, i.e. sudo apt install virtualbox-5.1, gave me this:
vboxdrv.sh: failed: modprobe vboxdrv failed. ...
0
votes
0answers
40 views
Modprobe and insmod [duplicate]
I was trying to install the rt8188eu drivers for my USB adapter and while trying to enable the module which I cloned from git, through modprobe sudo modprobe 8188eu it was throwing me a exec format ...
2
votes
0answers
265 views
Ubuntu 14.04 USB ports randomly fail
My GF has a Dell Vostro 3558 notebook that came with preinstalled Ubuntu 14.04 LTS system. Recently USB ports randomly fail. There's no pattern about it, no matter if the laptop is on charger or on ...
1
vote
0answers
687 views
Cannot mount windows ntfs drive on Ubuntu. Error Fuse not found
I recently updated the kernel to 4.10.3 and since then I have not been able to mount windows ntfs drives. It was working perfectly fine in my old kernel 4.4.0-64.
I have disabled fast-boot on ...
4
votes
1answer
6k views
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 | ...
0
votes
0answers
403 views
I had to run modprobe wl after every boot
Wireless will not working unless I run:
sudo modprobe -r wl && sudo modprobe wl
In terminal, how to prevent that?
The current workaround I have is adding modprobe command to /etc/rc.local, ...
1
vote
1answer
1k views
Why isn't this module loading?
I've installed a third party package librealsense. As part of the download it sets uvcvideo to be compiled as a kernel module. Once that is done I reboot to the modified kernel. I can see my uvcvideo....
1
vote
1answer
766 views
16.04 Oct 10 update breaks wifi and libkmod
I've tried dozens of advices, mostly from askubuntu, about disabling secure boot, purging and reinstalling bcmwl-kernel-source, followed guide for signing bcmwl-kernel-source, tried changing bcmwl-...
8
votes
0answers
17k 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 ...
