Questions tagged [modprobe]
The modprobe tag has no usage guidance.
101
questions
0
votes
0answers
94 views
Debian: ZFS installation error: Module zfs not found in directory /lib/modules/4.19.0-14-amd64
I installed ZFS on Debian, but can not get it working.
I try to install zfs this way:
I added this to /etc/apt/sources.list :
deb http://deb.debian.org/debian/ buster main contrib non-free
deb http:...
0
votes
0answers
344 views
modprobe fails with “Operation not permitted”, but secure boot cannot be disabled
My situation is similar to this post, however, none of the given solutions work for me.
I am also trying to load the wireguard module by
modprobe wireguard
but I get the error
modprobe: ERROR: could ...
2
votes
1answer
128 views
Fedora Realtek USB WiFi Driver Installation
So I have a realtek usb wifi adapter, and it uses the driver: rtl8822bu
The GitHub site has the driver.
So I git clone https://github.com/ulli-kroll/rtl8822bu.git Then
cd rtl8822bu
sudo make
sudo ...
0
votes
1answer
22 views
Common Features among Multiple RAMDisks Created Using modprobe brd
I wanted to create a 60GB RAMDisk to check the read and write performance of it. Using the command modprobe brd rd_size=62914560, 16x 60GB RAMDisks have been created: /dev/ram0, /dev/ram1, ..., /dev/...
0
votes
1answer
74 views
modprobe cannot load ifb devices
I've this script which checks for a veth-pair and setup an ifb device on it, but everytime it says cannot find free ifb device for that particular veth pair.
What could be the problem? Even I tried ...
0
votes
0answers
50 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 ...
1
vote
1answer
3k 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
25 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
20 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
51 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
103 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
285 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
451 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
711 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
31 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*...
1
vote
0answers
337 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
162 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
1k 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-...
7
votes
3answers
19k 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
212 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
128 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
997 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
987 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 ...
4
votes
1answer
1k 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
533 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
3k 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
4k 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
2k 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
204 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
697 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
2k 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
593 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
5k 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
11k 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
...
6
votes
2answers
10k 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
2k 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
126 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
1k 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
942 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
100 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
12k 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
3k 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
13k 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
5k 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 ...
