modprobe

Docker Desktop Linux crashing & KVM not loading

Docker Desktop Linux crashing & KVM not loading I have installed Docker Desktop Linux on Ubuntu 22.04.3 LTS. After I start it and wait for some seconds, it throws this error: Something went wrong Waiting for qemu process: exit status 1 I assume that the problem is that KVM has not even been loaded. I …

Total answers: 1

Rescan for matching kernel modules

Rescan for matching kernel modules So normaly during boot or when a device is hotplugged Linux loads kernel modules for hardware based on modaliases. Is there a way to manually trigger this for a specific device or a general "rescan" for the whole system? e.g. I have a pci device which had no matching driver …

Total answers: 1

modprobe fuse doesn't seem to load module

modprobe fuse doesn't seem to load module I’m trying to load the fuse kernel module but for some reason it seems like it’s not getting loaded. But I also don’t get any error message. Can someone explain to me what’s going on? root@my-host:~# modprobe fuse root@my-host:~# echo $? 0 root@my-host:~# lsmod | grep fuse root@my-host:~# …

Total answers: 1

modprobe: ERROR: could not insert 'efivarfs': No such device

modprobe: ERROR: could not insert 'efivarfs': No such device when I run efibootmgr command: efibootmgr –create –disk /dev/sdb –part 1 –loader /EFI/syslinux/syslinux.efi –label "Syslinux" –unicode I get this error: EFI variables are not supported on this system. when I try to load the module efivarfs, I get following error: modprobe efivarfs modprobe: ERROR: could not …

Total answers: 1

how to list the actual rules in effect for modprobe?

how to list the actual rules in effect for modprobe? we have several places can put the rules for modprobe: /lib/modprobe.d/*.conf /etc/modprobe.d/*.conf /run/modprobe.d/*.conf boot parameters There can be multiple places configuring the same module. I wondering if there is a tool can print all the rules actually in action. If it cannot print the install …

Total answers: 1

The precedence of kernel module options: kernel boot parameters vs. modeprobe.d?

The precedence of kernel module options: kernel boot parameters vs. modeprobe.d? If I have nvidia-drm.modeset=1 in kernel parameter and options nvidia-drm modeset=0 in modeprobe.d. Then which value is in use? If I have multiple nvidia-drm.modeset in kernel parameter, then which one is going to be used the first one or the last one? I am …

Total answers: 1

modprobe btusb error

modprobe btusb error I am using a Ubuntu desktop 20.04.4 LTS with linux kernel 5.15.0-41-generic. I bought UB500 from tp-link. After plugging it doesnt turn on-off. I tried every steps exactly and following the answer from document but it’s throwing an error when ~$ modprobe btusb modprobe: ERROR: could not insert ‘btusb’: Invalid argument ~$ …

Total answers: 1

modprobe fails with "Operation not permitted"

modprobe fails with "Operation not permitted" 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 /lib/modules/5.2.11-100.fc29.x86_64/extra/wireguard.ko.xz insmod: ERROR: could not insert module /lib/modules/5.2.11-100.fc29.x86_64/extra/wireguard.ko.xz: Operation not permitted dkms runs fine without error. I’ve also …

Total answers: 4

Debian + USB3 HDD + UAS: I/O errors

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 + USB 3.0 + rsync causing high I/O load, …

Total answers: 3

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

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 parameters must be written to /etc/sysctl.d/<moduleName>.conf files as: # echo kernel.domainname=”example.com” > /etc/sysctl.d/domainname.conf However, …

Total answers: 1

modprobe on Centos 7.3 returns multiple and/or strange results

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 ? install /bin/true install /bin/true install /bin/true I’m on CentOS Linux release 7.3.1611 (Core), and in …

Total answers: 1

How can we create multiple dummy interfaces on Linux?

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 we just initialized above. But it gives the following Fatal error saying: FATAL: Module dummy …

Total answers: 2

Remove nouveau driver (nvidia) without rebooting

Remove nouveau driver (nvidia) without rebooting I have a Ubuntu Version here, that is started from USB as a Live version. I do not want to install it on hard disk, because it would be too much for only testing a small thing on Ubuntu. So I started Ubuntu and installed the nvidia driver (from …

Total answers: 2

Fatal: module nfs not found

Fatal: module nfs not found I am setting up a new NFS client on a LAN that has a working NFS server (Ubuntu 12.04) running nfs4. The other clients all work as expected. On this new client I’m running ChrUbuntu with kernel 3.4.0 (Kubuntu 12.04) on an Acer Chromebook. I installed nfs-common. However, the mount …

Total answers: 1

Cannot remove iwlwifi module, even though interface is down

Cannot remove iwlwifi module, even though interface is down When I run the following two commands, the first one returns without eror, but the second one gives me FATAL: Module iwlwifi is in use. sudo ifconfig wlan0 down sudo modprobe -r iwlwifi If bringing the wireless interface down still leave the kernel module in use, …

Total answers: 1

How to install 3rd party module so that it is loaded on boot?

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 folder. The vendor has supplied a script that loads …

Total answers: 1

systemd: automate modprobe command at boot time

systemd: automate modprobe command at boot time My distribution is Fedora 17 Gnome. Every time I reboot/restart my computer I need to run this command as root: modprobe rt2800usb How can I make it permanent? Asked By: somethingSomething || Source To load a module on boot, you create a file in /etc/modules-load.d/; this file can …

Total answers: 2

Removing builtin modules in Linux

Removing builtin modules in Linux I’m currently attempting to remove the usbserial module in order to install a new driver module. When I attempt to remove the module I get the following issue: [root@localhost xr21v141x-lnx-3.0-pak]# modprobe -r usbserial FATAL: Module usbserial is builtin How can I remove the usbserial module? Asked By: sj755 || Source …

Total answers: 1