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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.

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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 ...
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1answer
291 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 ...
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0answers
40 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 ...
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1answer
287 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 ...
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1answer
97 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 ...
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1answer
70 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 ...
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0answers
93 views

Allow Keyboard and Mouse to Connect but block Pen Drive and Joysticks on Ubuntu

I want to allow all the keyboards and Mouse to connect with the ubuntu machine but want to block all pen drive and Joysticks. I have tried this using UDEV rules, it is okay if we want to block/ allow ...
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276 views

Modprobe error lookup_builtin_file() could not open builtin file

When i do sudo modprobe *** I get error modprobe: ERROR: ../libkmod/libkmod.c:514 lookup_builtin_file() could not open builtin file '/lib/modules/3.4.75.sun5i+/modules.builtin.bin' This error ...
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1answer
1k 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 ...
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2answers
1k 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 ...
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3answers
7k 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 &&...
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0answers
230 views

nvidia-modprobe doesn't work, but modprobe nvidia does – NVIDIA GPU disabled?

When I first boot up my computer, nvidia-modprobe exits with an error code, without printing any message, while sudo modprobe nvidia succeeds. I dug into the source code and found the code that checks ...
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0answers
25 views

How to configure write blocker using modprobe command

I am trying to configure a write blocker (used in forensics) . Is it possible to configure usb module as read only by modprobe command in ubuntu?
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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 ...
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0answers
82 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 ...
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0answers
172 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' ...
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2answers
184 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 ...
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1answer
1k 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
102 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'...
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0answers
70 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 ...
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0answers
40 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 ...
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1answer
292 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 ...
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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. ...
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0answers
25 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 ...
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0answers
183 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 ...
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0answers
267 views

Can't see grub 2 after disabling secure boot

I have dual booted windows 10 and Ubuntu 16.04 LTS in my Hp laptop. I installed Ubuntu with secured boot option turned on. Everything was working fine. Then I found that I was not able to install ...
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0answers
707 views

modprobe linux kernel audio module failed

briefly ubuntu 16.04.02 kernel 4.8.0-45-generic, it seems system detected audio hardware, but failed to add kernel module, when use modprobe to add module, it prints error, use dmesg show some symbol ...
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0answers
424 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 ...
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1answer
4k 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 | ...
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0answers
232 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, ...
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1answer
714 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....
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1answer
581 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-...
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0answers
14k 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 ...
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2answers
2k views

Huawei USB modem - proper driver(module) is not loading

I have a Huawei E303F USB Modem. I have installed Ubuntu Studio 16.04.1 LTS "Xenial Xerus". The modem gets detected by the network manager. I can setup a Mobile Broadband connection in Network ...
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0answers
265 views

wlan0 still uses wrong driver?

I installed the driver from https://github.com/vincent-t/rt8192cu_dkms which installs the 8192cu driver (replacing the native rtl8192cu driver) which should work with my TP-LINK TL-WN821N v4.1 USB ...
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5answers
48k views

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....
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0answers
195 views

My wifi driver MT7630E seems to work fine during install and then tells me error

The route I went was straight from https://community.linuxmint.com/tutorial/view/1796 website. Now follow the instructions below: extract the archive in your Downloads directory (or any other ...
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0answers
217 views

How to activate keyboard backlight from command-line? [duplicate]

using ubuntu 16 on a crappy sony vaio laptop. the keyboard backlight works fine until i put the laptop to sleep. upon waking the laptop the keyboard backlights remain off. there are no function keys ...
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2answers
12k views

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....
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1answer
358 views

Blacklisting a module only for specific kernel versions?

When I boot a 4.4.x kernel, I want to make sure that the buggy staging driver r8723au is blacklisted, in favor of the much-improved mainline rtl8xxxu. However, when I boot an older 4.2.x kernel, I'll ...
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1answer
717 views

Error while running 'modprobe -v usb-storage' during 16.04 install

This is a server which already has 32 bit Ubuntu 14 installed but I would like to reinstall with 64 bit which it does support. I am trying to install Ubuntu 16.04 as I have done many times before but ...
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0answers
996 views

/etc/modprobe.d/ conf file ignored

I am trying to add a module option for the amdgpu module, but it is seemingly ignored. /etc/modprobe.d/amdgpu.conf contents: options amdgpu audio=1 Relevant output from modprobe -c | grep amdgpu, ...
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1answer
894 views

How to load “snd-hda-intel” at startup

I always have to type in sudo modprobe snd-hda-intel in order to get my sound card to work I have already tried the solution to append snd-hda-intel to /etc/modules with sudo sh -c 'echo "snd-hda-...
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1answer
12k views

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:~...
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3answers
7k views

How to pair Wiimote in Ubuntu 15.10?

there are other posts about the Wiimote pairing, but none of the answers helped me, most of them are form ubuntu 12.10 and ubuntu 10.04 soe they are pretty old. the question is that Wiimote should be ...
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1answer
208 views

Swap a module at boot

I am trying to use a version of bbswitch hacked for a T450s mentioned in this issue on bumblebee-project/bbswitch. It works well and now my Nvidia 940m card turns off properly. To install it I run ...
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1answer
4k views

Could not open builtin file modules.builtin.bin

I was trying to run modprobe fuse. But could not get it to run. The output - sudo modprobe fuse modprobe: ERROR: ../libkmod/libkmod.c:508 kmod_lookup_alias_from_builtin_file() could not open ...
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1answer
3k views

How to permanently set /proc/fs/cifs/SecurityFlags

I have edited /proc/fs/cifs/SecurityFlags to allow my cifs mounts to mount correctly. (I had to use value 0x81). To edit SecurityFlags I type 'modprobe cifs' which then lets me see the /proc/fs/cifs ...
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3answers
6k views

br_netfilter missing in ubuntu 14.04

I have the following problem when running docker.io: Running modprobe bridge nf_nat br_netfilter failed with message: modprobe: WARNING: Module br_netfilter not found. I tried running modprobe ...
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2answers
17k 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 ...