Questions tagged [modprobe]
The modprobe tag has no usage guidance.
97
questions
0
votes
0answers
23 views
kernel compilation: how to exclude module
I used to compile patched kernel for my Arch Linux machine. Up until now, I compiled my kernel with ALL modules, or better, I have not customized it. The reason why is due to my inexperience of this ...
0
votes
1answer
481 views
v4l2loopback modprobe: module not found
I'm trying to use my DSLR as a webcam, I'm on an Arch linux system and therefor I have have installed v4l-utils and v4l2loopback-dkms.
But when i try to probe the v4l2loopback module, with the ...
0
votes
0answers
10 views
Unable to use amdgpu in the presence of i915
I use AMD Radeon R5 M230 and I see that both amdgpu and intel's i915 drivers are present in the output of lsmod,but I'm unable to use the AMD GPU as the command radeontop(and also /sys/kernel/debug/...
0
votes
0answers
19 views
load a previously removed module
trying to install nvidia drivers and typed by chance: modprobe -r nouveau.
Is there a easy way to load again the module nouveau? both modprobe nouveau and modprobe -a nouveau do not work. I'm on ...
0
votes
0answers
22 views
Cannot remove `xt_recent` module
Even after removing iptable rules that reference Recent module, I cannot remove the kernel module xt_recent and get the error that it is still in use.
user@host:~$ sudo iptables -S
-P INPUT DROP
-P ...
0
votes
1answer
52 views
How to get a larger format then 640x426 using modprobe and gphoto2
I am using the following command to use my Nikon as a webcam:
sudo modprobe v4l2loopback && gphoto2 --stdout --capture-movie | ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /...
0
votes
0answers
117 views
Load hid_magicmouse to use Magic Mouse on Fedora 32
Having used Linux only on servers for the last two decades, my knowledge isn't up-to-date anymore.
I want to use my Magic Mouse (1st gen.) on a brand-new Fedora 32 setup. Pairing with "Settings > ...
0
votes
1answer
227 views
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 ...
0
votes
1answer
320 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?
...
0
votes
1answer
21 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*...
0
votes
0answers
209 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 ...
1
vote
0answers
247 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-...
0
votes
0answers
88 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 ...
2
votes
1answer
679 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-...
4
votes
3answers
11k views
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 ...
0
votes
1answer
153 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 ...
0
votes
0answers
2k 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 "...
0
votes
1answer
77 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 ...
1
vote
1answer
789 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
...
1
vote
1answer
723 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 ...
3
votes
1answer
882 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 ...
1
vote
1answer
436 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 ...
1
vote
0answers
2k 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=...
0
votes
0answers
3k 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 ...
1
vote
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
vote
1answer
187 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 ...
2
votes
3answers
1k 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 ...
0
votes
1answer
558 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
votes
2answers
2k 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.
...
4
votes
1answer
1k 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 ...
0
votes
1answer
501 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 ...
1
vote
1answer
4k 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 ...
3
votes
0answers
10k 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 ...
3
votes
0answers
1k 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
...
5
votes
2answers
8k 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 + ...
0
votes
2answers
1k 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 -...
0
votes
1answer
108 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
votes
1answer
972 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 ...
2
votes
0answers
909 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 ...
2
votes
0answers
99 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 ...
5
votes
2answers
11k 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
votes
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
votes
1answer
2k 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
votes
1answer
12k 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
votes
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-...
2
votes
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 ...
12
votes
2answers
44k 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
votes
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 ...
0
votes
1answer
848 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 ...
0
votes
2answers
523 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 ...
