Questions tagged [modprobe]

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Wireguard: Operation not permiited?

I installed wireguard but I am not able to load the module with modprobe. When I run the command I get the following error: modprobe wireguard modprobe: ERROR: could not insert 'wireguard': Operation ...
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0answers
18 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] ...
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1answer
47 views

modprobe nbd not releasing connection in Debian 10.2

qemu-nbd - QEMU Disk Network Block Device Server failing with Debian 10.2 Works perfect with Debian 9.12. Does not work any longer with Debian 10.2. Any suggestion of what I might be doing wrong? ...
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1answer
17 views

How to know for which alias name, the module is loaded, when there are multiple aliases?

When I run the command: cat /lib/modules/4.15.0-20-generic/modules.alias | grep 'ath9k_htc' I get the following list: alias usb:v0CF3p20FFd*dc*dsc*dp*ic*isc*ip*in* ath9k_htc alias usb:v0930p0A08d*...
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70 views

Creating virtual mtd device with nandsim

I would like to emulate a NAND Flash that I have with nandsim. The NAND Fash that I want to emulate is a GD5F1GQ4UCYIG from GigaDevice. Datasheet can be found here. The problem is that the NAND Flash ...
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0answers
105 views

Modprobe stalling in Kali Linux during installation of 88XXau wifi driver

I am trying to install a wifi driver for the TP-Link Archer T9UH v1 in Kali Linux. The following causes modprobe to stall: root@CODE-K:~# modprobe 88XXau --verbose insmod /lib/modules/5.3.0-kali3-...
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31 views

Unable to disable kernel module

I'm trying to disable kernel module for my motherboard's bluetooth chip: btintel. I've added a blacklist entry to /etc/modprobe.d/blacklist-btintel.conf (I also tried blacklist.conf, this didn't make ...
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1answer
165 views

dummy interface on linux

I need to create a second separate virtual interface on Linux. I choose dummy. And do these steps: $ cat /etc/modules-load.d/dummy.conf # Load dummy.ko at boot dummy $ cat /etc/sysconfig/network-...
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3answers
3k views

modprobe fails with permission denied

I am trying to modprobe wireguard as root, and it fails with: modprobe: ERROR: could not insert 'wireguard': Operation not permitted Adding verbose I get one more line: [root@localhost ben]# insmod ...
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202 views

Unable to modprobe kernel module “ib_uverbs” due to unkown symbols

I'm currently attempting to setup the MoonGen packet generation software, which utilizes a series of kernel modules required by DPDK. Upon building the repository, I received an error that states: ...
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79 views

Blacklist UAS by device serial not by VID:PID

I often deal with hard drives that need to connect specifically using usb-storage and some specifically with UAS. Up till now, I've done this by putting an entry in modprobe.d, like options usb-...
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22 views

Forcibly remove module showing “Loading” in /proc/modules

I'm writing and debugging a kernel module. Currently, the modules probe function had a bug and the probe did not complete. (And I returned 0 by mistake!) However, /proc/modules shows the status as "...
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1answer
83 views

T440S Touchpad disabled at each reboot. I found that manually reloading the synaptics driver fixes it. How do I make the change permanent in Kubuntu?

After every reboot, I need to run sudo rmmod psmouse and sudo modprobe -v psmouse to re-enable the touchpad. Otherwise, double finger scrolling doesn't work and only a few areas of the pad work, much ...
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1k views

“Required key not available” error when trying to load signed module

I made a module and compiled it with make modules_install. I ran these commands following this gist: openssl req -new -x509 -newkey rsa:2048 -keyout MOK.priv -outform DER -out MOK.der -nodes -subj "...
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1answer
43 views

DKMS module uninstallable/ghost

I install wifi dkms module, remove the package, then install it back again since I can't modprobe -r it, and after reinstalling it, I still can't, all the while wifi works. To be clear, I've ...
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1answer
450 views

Blacklisted Broadcom drivers are still loaded

I have certain Broadcom drivers clearly blacklisted in 50-broadcom-wl-blacklist.conf file in /etc/modprobe.d/: # modules blacklisted for broadcom-wl blacklist bcm43xx blacklist ssb blacklist b43 ...
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1answer
389 views

Power off video card until reboot from command line?

I have "headless" machine with video card, I use very rarely, only if I want physical access to it. The cooler of this video card became old and started to produce bad noise. Can I disable this video ...
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1answer
510 views

Blacklisting modules in modprobe.d and kernel params is not working

Ok, I have read and followed the instructions on the following posts, however, my kernel modules are still being loaded... Kernel module blacklist not working How do I disable a kernel module ...
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1answer
287 views

Have to rmmod and modprobe every time I start up

I have got a raspberry pi and I've installed it correctly the 8821cu module for my Wi-Fi Dongle and it works ok. But every time I reboot the pi I have to sudo rmmod 8821cu && modprobe 8821cu ...
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0answers
1k views

modprobe gives: “FATAL: <module> not found in directory” error [duplicate]

I am running standard raspbian on Raspberry Pi-3. pi@raspberrypi:~ $ cat /etc/os-release PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" ID=...
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2k views

How to avoid modprobe error could not insert floppy with dracut-pre-udev?

I do have machines or VMs that do not have a floppy drive and I want to avoid getting the below error message while loading the the anaconda kickstart installer on CentOS/Fedora. Currently the first ...
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1answer
1k views

Force loading kernel module at startup

Some of my hardware needs the module cx23885. For some reason modprode cx23885 doesn't work, instead only modprobe cx23885 --force-modversion works. This hardware is currently somewhat buggy and ...
1
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1answer
168 views

How is modprobe run before mounting root? (no initrd)

I am booting linux mint(version 4.14.13+) without using initrd/initramfs, and I see that /sbin/modprobe is run before mounting the root file system. I was wondering how that is possible. I ...
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3answers
888 views

HDMI not showing in xrandr after nvidia modeset=1

I'm running Ubuntu 18.04 on an MSI GE63 Stealth 8RE, with an NVIDIA GTX 1060. There's a good amount of screen tearing when watching videos, and I found several sources online telling me that creating ...
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1answer
444 views

What kernel modules are necessary for using a standard USB 2.0 flashdrive

I am using buildroot to generate an Image to run linux on an Arm A53. I want to be able to shut off and turn on the ability to see a USB flashdrive on command. I went into the settings of buildroot ...
4
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2answers
1k views

Override modprobe.d blacklist

I am using Ubuntu 18.04. I'm trying to make a module load at boot; the module in question is iTCO_wdt. There are many questions about blacklisting a kernel module, but I am trying to whitelist one. ...
3
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1answer
653 views

How keyboard's drivers work on linux

I recently bought a new keyboard, it was cheap and of an unknown brand but i wasn't particularly worried. I found out that on linux pressing shift, super, left-ctrl or left-alt with this keyboard made ...
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1answer
379 views

How to use ubifs image with modprobe? To extract ubifs image

I try to do something like this - link. All examples in the web are not working at all. modprobe ubi mtd=0 modprobe: module ubi not found in modules.dep modprobe ubi modprobe: module ubi not found ...
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1answer
3k views

How to increase nvme_core.io_timeout on my c5 EC2 instacnce

We have mesos cluster where we're running centos7 c5 instances on aws. The kernel version is the latest 4.16.1-1. In c5 instance type the volumes uses nvme drivers. The nvme volumes seems to have a ...
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0answers
9k views

How to switch drivers from radeon to amdgpu?

The issue: switching over from Radeon kernel driver (radeon.ko) over to Amdgpu (amdgpu.ko). I was able to get up to the point where it seems to load the amdgpu as seen in the boot screen, but it it ...
2
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0answers
782 views

Failure removing module, still in use/not found

I'm trying to remove a module I have created, but it doesn't work for me. Assuming my module name is xyz : When I try to run rmmod xyz I get the following error: rmmod: ERROR: Module xyz is in use ...
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2answers
6k views

Debian + USB3 HDD + UAS: I/O errors

I'm running rsync to backup a remote machine to a USB hard drive on an ARM SBC and sometimes rsync just stops with "read error from input device (I/O error)". I believe the issue is related to UAS + ...
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2answers
859 views

script to load/unload psmouse module by user (no root)

I want to write a shell script that can be executed by a user w/o root permissions that will simply execute modprobe -r psmouse or modprobe psmouse. Is this even possible? I've got this module: $ ls -...
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1answer
92 views

Debian - Switch back to the integrated wifi

I use Debian 8 and tonight I tried to switch between the integrated wifi and an wifi usb key using online tutorial. It worked. I did this just to see if wireless connection was better, but it isn't. ...
5
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1answer
815 views

Difference between modprobe and sysctl -w in terms of setting system parameters?

We know that sysctl command can change kernel parameters with : # sysctl -w kernel.domainname="example.com" or by directly editing the file in /proc/sys directory. And for persistent changes, the ...
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0answers
847 views

Is it possible to blacklist a built-in kernel module? [duplicate]

I'm asking this in relation to another question that was posted: Select which driver binds to a device I posted an answer suggesting that built-in device drivers can't be blacklisted, as they are ...
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0answers
91 views

modprobe in setuid contextmodprobe in setuid context

In CVE-2017-0358, author notes that The issue is that /sbin/modprobe is not designed to run in a setuid context. As the manpage of modprobe explicitly points out The MODPROBE_OPTIONS environment ...
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2answers
10k views

ubuntu17.10 modprobe: FATAL: Module vboxdrv not found in directory /lib/modules/4.10.0-35-generic

sudo modprobe vboxdrv modprobe: FATAL: Module vboxdrv not found in directory /lib/modules/4.10.0-35-generic Reinstalled dkms but I still get Kernel driver not installed (rc=-1908) The VirtualBox ...
2
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1answer
2k views

Bringing Can interface up - Operation not supported

I am trying to use a Can module but I get an error message with the following commands: $ sudo modprobe can $ sudo ip link add dev can0 type can RTNETLINK answers: Operation not supported I have ...
3
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1answer
1k views

modprobe on Centos 7.3 returns multiple and/or strange results

Can someone please tell me why the following command modprobe -n -v dccp_ipv4 returns two results ? install /bin/true install /bin/true And why does modprobe -n -v dccp_ipv6 returns three ? ...
4
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2answers
10k views

How do I disable a kernel module persistently?

So I had this problem with my new Lenovo ThinkPad 13 where it did not resume from suspension and hibernation. After 2 days of troubleshooting I found out that apparently a module called intel_lpss_pci ...
0
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1answer
2k views

dpkg-reconfigure virtualbox-dkms failure

After updating linux Mint kernel to 4.10.0-14-generic virtualbox is not working anymore. I tried to run "mobprobe vboxdrv" modprobe: FATAL: Module vboxdrv not found in directory /lib/modules/4.10.0-...
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1answer
4k views

Kernel module for net.bridge.bridge-nf-call-iptables

This is on the Linux OS. I see that on some machines the net.bridge.bridge-nf-call-iptables variable doesn't exist until I modprobe the br_netfilter filter. I also see that there are some machines ...
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2answers
38k views

How can we create multiple dummy interfaces on Linux?

To Create a Fake Ethernet dummy Interface On Linux we First initialize the dummy interface driver using the below command: /sbin/modprobe dummy. Then we Assign Ethernet Interface alias To Dummy Driver ...
7
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1answer
5k views

Where does modprobe load a driver that udev requests?

Let's take a scenario where a Linux system has booted and is running correctly. A user comes along and hotplugs a USB memory device. The sequence of events that happen are illustrated on the diagram ...
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1answer
815 views

How to find a proprietary nvidia driver and a nvidia-modprobe with the same version?

In order to enable the CUDA functionality of a GTX 1060 in Blender, I have to get 3 things in advance: NVIDIA driver CUDA toolkit nvidia-modprobe The NVIDIA driver and nvidia-modprobe need to have ...
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2answers
466 views

rmmod buggy network driver

I suspect I have a buggy network driver for an Atheros ath9k device as I will eventually get SW IOMMU errors. Sometimes when this happens, I can simply rmmod and modprobe it back and it will start ...
1
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1answer
554 views

empty modules.dep for new kernel compilation

i've got empty modules.dep file after compiling new kernel from source after kernel compile, and then kernel module compile and then make modules_install to modules directory, i checked modules.dep ...
2
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1answer
2k views

How to disable a device (hardware) from using hid-multitouch driver?

I have a Kortek touch screen that is exposed to the system, as shown in /proc/bus/input/devices, via two drivers : hid-generic and hid-multitouch I do not want hid-multitouch driver to expose Kortek ...
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2answers
1k views

How do you modprobe a program?

I've been trying to get this program to work on my Raspberry Pi for the past two days and I've gotten to step 6 which says, "At this point, you should be able to modprobe v4l2loopback". When I ran ...