Questions tagged [kernel-module]

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Mouse left-click not working stably

I have read tons of sources to solve this issue but most of them didn't work while some of them would solve the issue temporarily. sudo modprobe -r psmouse Basically, removes the mouse driver from the ...
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1answer
29 views

Why are the IPtables and kernel module versions not matching in Yocto Linux?

I am trying to add IPtables to a Yocto Linux image but I think versions of compiled modules and modules needed for IPtables do not match. IPtables is looking for modules under /lib/modules/4.9.88 but ...
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31 views

How does newer Linux kernels load non-removable hardware device drivers during boot?

Problem: Multiple device drivers (specified in the device tree) are not loading during boot. All built in drivers get loaded with no issue. The drivers successfully load and function if modprobe is ...
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1answer
26 views

Unable to load signed modules on a signed custom kernel

I'm using Fedora 33. In order to boot a custom kernel, I had to generate an X.509 certificate to sign the kernel. This part works just fine. I can also sign a custom kernel module with the same ...
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10 views

Elan Touchpad linux kernel drivers not working

Kernel version used is 5.9.11. The touchpad is detected, but there is no communication with the device.
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85 views

Installing Error Numba Python library Windows 10 CMD

I am having trouble trying to install the numba module. I am using windows 10 cmd to install the library. I have installed other modules (pandas, jupyter notebook, numpy) before with no such problem, ...
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1answer
810 views

How to fix nvidia-current not found after modprobe?

I'm using Debian 10 (Buster) with a NVidia GT630 graphics card on a i386 system. apt install nvidia-driver installed nvidia-legacy-390xx drivers. Unfortunately the kernel module doesn't load (output ...
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1answer
46 views

kernel-default-devel for Arch

I'm trying to write kernel module on machine running Arch Linux. I wasn't able to locate and import 'generated/autoconf.h' (in previous version of kernels 'linux/autoconf.h' or 'linux/config.h'). I've ...
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Boot stops at “starting Gnome Display Manager” after I installed kernel-modules

I have two kernels installed on my system: kernel-4.18.0-147.8.1.el8_1 kernel-4.18.0-193.14.2.el8_2 I had some problems with my network manager when booting into kernel 4.18.0-193.14.2. So I checked,...
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1answer
115 views

Unable to enable / configure Bluetooth for Lenovo Y520

I have Lenovo Y520 (Legion) with Gentoo and failed to setup Bluetooth support. As documentation says: Bluetooth wireless * Combo w/ Wifi card I followed the instruction from https://wiki.gentoo.org/...
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1answer
329 views

How to debug “network is unreachable” error for a virtual Linux interface

I have only loopback (lo) and virtual interface in the system. I closed all other interfaces. I also stopped firewall, selinux and iptables. I want to ping an IP address in route table, but I get the &...
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1answer
74 views

nouveau: Where are module parameters stored?

I have been trying to debug a bug with nouveau and I would like now to remove the previous setting. Here is what I see: % dmesg | grep nouveau [...] [ 1.487361] [drm:nouveau_drm_init [nouveau]] .....
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1answer
84 views

kernel missing nf_tables_inet module in Solus

the title says it all. Solus Linux kernels are missing numerous kernel modules essential to successfully operating nftables! why is it even a pkg in the eopkg repos if they don't compile their kernels ...
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1answer
942 views

/dev/ttyACM0 lost after sleep - How to redetect / restart / rescan for ttyACM0?

I have a Ubuntu 16.04 based VM which runs inside VirtualBox on Windows 10. On my Host, I've connected a ZWave USB antenna, which I've then mapped/attached to the VM. When I first boot my VM, I can ...
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1answer
44 views

I disabled my camera years ago and forgot how i did it and now want to re-enable it

I now run Xubuntu version 18.04 last upgraded yesterday. I disabled the camera on my Kudo Pro laptop a few years ago when i was running either Ubuntu 14.04 or 16.04. I did it by some change in a ...
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93 views

Ethernet: Intel 82567LM appears in lspci but no interface is populated

(x-post: sourceforge) e1000e kernel module doc The Intel 82567LM ethernet adapter on my ThinkPad X200 is not working. It appears in lspci, but no interface is populated according to ip link. How may ...
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1answer
275 views

How can I inject an AER Error?

I need to inject AER errors onto a SUSE machine. I've modprobbed the aer_inject module just fine, and I compiled the aer-inject tool from kernel.org. Whenever I run it, I get the following error. ...
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3answers
849 views

How to use hwsim, “Module mac80211_hwsim not found in directory” error

I have tried using this guide: https://wireless.wiki.kernel.org/en/users/drivers/mac80211_hwsim and did modprobe mac80211_hwsim However the output is: modprobe: FATAL: Module mac80211_hwsim not ...
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1answer
41 views

how to install kernel module for blk_mq's io schedulers?

I have recently changed single queue to multi queue on my oracle server. This server is oracle linux 6.10 (4.1.12 kernel). I realize there is no any io scheduler for blk_mq alse show the /sys/block//...
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378 views

Centos Kernel compilation: systemd fails to start udev

For my Centos 7.7 VM, I compiled kernel version 4.4 to just see how it works. I downloaded the kernel code from this site https://www.kernel.org/ And followed the procedure that I found here : https:/...
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2answers
380 views

Archlinux Kernel: Module ipv6 not found

I found that I can't reach ipv6 network normally when I use archlinux: $ ssh root@[ipv6 addr] ssh: connect to host [ipv6 addr] port 22: Network is unreachable After further inspection, I think the ...
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160 views

Kernel 5.3 on AMD Chipset

currently I use my own compiled Kernel Since some mounth without any big issues, but since the Release 5.3 some physical Servers with AMD Chipset won't boot anymore, my last Kernel Vers. is 5.2.8 ...
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2answers
1k views

How to load i2c-dev module on boot with systemd

I'd like to control my monitor brightness with ddcutil, which requires the i2c-dev module to be loaded. It is not loaded automatically, so I'm following the directions on ArchWiki to try to ...
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1k views

amd64_edac_mod.ko(Error Detection and Correction driver) not loading with the latest kernel to check RAS

I am trying to enable ECC to confirm RAS feature in ubuntu-18.04 Its GIGABYTE BIOS mode, I have checked ECC option, but it is not present. and details of server is: :~$ lscpu Architecture: ...
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2answers
1k views

Tkinter module crashing computer

I have a python program which has been running well for the past several weeks with spyder, but today after making no changes to the code, running the program immediately causes the computer to ...
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136 views

Can't load i2c_dev module on Ubuntu 18.04

After extensive online research in vain, I am turning to you for help. My original problem was that my headphone jack stops working on Ubuntu 18.04 when my computer enters sleep-mode or reboots. To ...
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2answers
368 views

Can kernel mode programs or drivers read the entire physical memory?

Is there any part of physical memory which no program or software can read? Do current systems (PCs where you can Windows 10 etc.) have such protection mechanism?
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1answer
305 views

Is there a risk that new kernel driver ee1004 could lock up spd eeprom?

For newer DDR4 DRAM modules SPD (Serial Presence Detect) data is no longer accessible through AT24C02-compatible EEPROMs (as per DDR3). DDR4 memory provides 512 bytes of data at one lower and one ...
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44 views

Raspbian compile single kernel module gfs2

I'm trying my best to get GFS2 mounted in dual-primary on Raspbian, but I'm hitting an issue. Whenever I try to mount the GFS2 volume, I get an error: mount -t gfs2 -o noatime,nodiratime,noquota /dev/...
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1answer
2k views

Missing TUN/TAP driver on embedded Linux

I came a long way to encounter this problem, so several dead end steps will be omitted. I was trying to create a TAP interface. The first step taken was to check if I have the needed tool (which I ...
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1answer
694 views

i2cdetect -l don't return anything

I need to use the SMBus, but when I run the command i2cdetect -l I do not receive anything as output, on Windows it was recognized, I do not see anything about SMBus even doing lspci. I installed and ...
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1answer
3k views

Where did snd-aloop go?

I'm on arch linux and I've been using snd-aloop to create a virtual audio devices without issues for a year now. Since yesterday's system upgrade to the new Linux kernel (4.18.3) however, the module ...
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1answer
1k views

Iptables kernel module in stock Arch

When attempting to use iptables on an Arch install with the default kernel, I'm receiving the error iptables v1.6.2: can't initialize iptables table `filter': Table does not exist (do you need to ...
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3answers
18k views

VMWare Workstation vmmon broken on Ubuntu 18.04

I upgraded to Ubuntu 18.04 and the vmmon.ko module for VMWare Workstation 12.5.9 now fails to build. /usr/lib/vmware/modules/source/vmmon-only/linux/driver.c: In function ‘LinuxDriverInitTSCkHz’: /...
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87 views

How to I automate re-compilation of a kernel module on Debian / Ubuntu?

I have the source for a kernel module which I want to re-compile every time the kernel gets updated - is there a sophisticated way to do this? Of course I could always compile the module on system ...
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1answer
4k views

What is “modloop” option in Alpine?

I'm trying to understand what is the difference of making Alpine installation medium as read-only type (LiveCD) and as a standard disk mode (where the OS state can be saved). I've seen the modloop ...
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1answer
180 views

how to know who start a Linux kernel module

There is a running kernel module (netns_vrf) in my Linux computer, like this: $ lsmod | grep vrf netns_vrf 8388 0 This kernel module is not from Linux distribution, it is from a third ...
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1answer
113 views

Configure built-in modules in cross-compiled linux

I'm in the beginning stages of using a cross compiler (ELDK) to build an embedded Linux system from the kernel source. The Kernel is built successfully with make ARCH=powerpc CROSS_COMPILE=powerpc-...
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0answers
809 views

VWare Workstation 14 and new hostif.c on kernel 4.13 for fixing a memory error

I'm running vmware 14.0 on Fedora 26/kernel 4.13 Everything works fine in kernel 4.12. Since kernel 4.13, I can't start the VM, and the message relates to an "insufficient memory error". I found a ...
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1answer
94 views

Identify kernel module for analogue video capture card Multimedia video controller: Adaptec (formerly DPT) Device 9065

I'm trying to identify a kernel module to make an analogue video capture card work on video4linux. lspci: Multimedia video controller: Adaptec (formerly DPT) Device 9065 02:04.0 Class 0400: Device ...
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1answer
1k views

why there are modules loaded not being used?

I'm running ArchLinux with default linux kernel,playing around with lsmod I noticed that there are around 20 modules for either hardware that I don't have or they are not being used for anything, I ...
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1answer
34 views

How to have access control for all users, including root, for R/W regular files, in Linux kernels newer than 2.6.35?

I have a Linux Security Module (LSM) on RedHat ES 5, kernel 2.6.18. The LSM implements access control for all users, including root, when they Read/Write regular files. I'd like to implement the same ...
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1answer
10k views

No OpenSSL sign-file signing_key.pem leads to error while loading kernel modules

I am having problems while loading/installing a kernel module. The kernel module builds successfully, but whenever I try to make module_install, the kernel seems to fail to load. It leaves the below ...
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1answer
1k views

How do I completely remove Xen or at least stop these errors from occurring?

I installed the xen-hypervisor package but that froze my system, and didn't know how to solve it so I compiled from source. That exhibited the same issue so I assumed it was hardware related, and ...
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0answers
5k views

How to fix module_layout in kernel-module?

I have compiled a new module into the Linux kernel. Unfortunately, I can not load it. The module is loaded on the remote machine. It was compiled by a cross compiler. The problem is module_layout. ...
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0answers
6k views

install kernel modules on ubuntu 16.04 ( no /lib/modules )

I have several Ubuntu 16.04 machines without /lib/modules directory, and if the result of lsmod is : root@bla:~# lsmod Module Size Used by xfs 970752 1 libcrc32c ...
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1answer
91 views

How to view options tkernel module was loaded with?

How could one view options/parameters that were passed to kernel when loading it? modinfo -p <modulename> doesn't fit for this problem as it displays it seems all available parameters. Linux ...
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0answers
456 views

Installing tun module without kernel source

I have a Verizon Mifi 5510L that I'd like to run an OpenVPN client on (I can't run it on my iPad because my school won't let me). I managed to get a shell and get root on it and I can get files to it ...
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1answer
4k views

Why are some udev workers timing out?

A few weeks ago, ALSA and USB stopped working on my laptop. Things like YouTube videos just don't have sound in Firefox; mpv prints [ao/alsa] Playback open error: No such file or directory. Could not ...
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1answer
409 views

both USB ports randomly stop working, then when shutdown, stuck on blinking cursor

the problem usually occurs about once per day, seemingly at random, but occasionally two times, and occasionally zero times. devices connected are: a new STAR printer with it's own power supply, ...