Questions tagged [kernel-module]

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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
29 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
206 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
39 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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40 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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50 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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2answers
179 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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75 views

How to unload a kernel module which is in use?

I wish to unload ip_vs module as I would like to load it with a custom parameter. $ lsmod | grep -Pe 'ip_vs|libcrc32c|nf_conntrack' ip_vs 145497 2 nf_conntrack 137239 1 ...
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1answer
24 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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51 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
149 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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134 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
405 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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879 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
945 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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70 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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131 views

ACPI AML interpreter has found some non-conforming AML code

Can someone please explain the necessary steps to correct the ACPI non-conforming AML code problem listed in the output below and also how to update the ACPI thermal driver? Due to the length of the ...
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2answers
207 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
222 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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41 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
441 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
2k 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
14k 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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77 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
3k 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 ...
2
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1answer
164 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
95 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
806 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
92 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
739 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
33 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
6k 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
984 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
4k 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
87 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
345 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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0answers
603 views

PCIe driver error for enabling device and allocating memory

I'm using PCIe bus on Freescale MPC8308 (as root complex) and the endpoint device is an ASIC with just one 256 MB memory region and just one BAR register. The device configuration space registers are ...
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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
369 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, ...
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3answers
3k views

Delete kernel module completely

I would like to ask you how can I delete some kernel module completely? I mean really delete, not unload or prevent to load. I tried to use rmmod, but it just unloaded module, same as modprobe -r. So ...
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882 views

No kernel sources available for 4.4.4-301.fc23.x86_64

I am trying to use vagrant on Fedora 23, but it isn't working at all. It isn't working because virtualbox's kernel modules will not install and compile with 4.4.4-301.fc23.x86_64. I installed ...
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1answer
33 views

Will my kernel module be reloaded after system reboot?

I'm starting a "Hello World" module, but I'm afraid to do some kind of error. If I break my system for some reason will my module be reloaded at reboot (crashing again my system)? I guess it won't, ...
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1answer
424 views

How to see Kernel Oops/Panic? and provide “proof”

I'm doing this assignment and I'm kind of confused on providing proof for kernel oops/panic static int __init hello_init(void) { printk(KERN_INFO "Hello world!\n"); return 1/0; //...
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2answers
495 views

Ubuntu 15.10 modified kernel module won't load - must be done manually

A module called alx, which drives my Qualcomm AR8161 Ethernet, loads up on boot and is visible with lsmod. This module is buggy. I found the patches, download the source code for my running kernel, ...
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1answer
4k views

How to install AMD Crimson on 64 bit Arch Linux?

I have been trying to install the latest AMD drivers on my Linux machine, but after getting it to compile I am greeted with this message: modprobe: ERROR: could not insert 'fglrx': Unknown symbol ...
28
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1answer
52k views

How do I figure out why systemctl service “systemd-modules-load” fails?

For some time I've seen some red text flashing by during boot. Today I decided to look into it. The systemctl service systemd-modules-load.service is failing with this text: tomas@bonus-debian:~$ ...
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1answer
905 views

Backing Up Kernel Modules from a GNU/Linux installation

How can I create a backup of all the driver modules (especially those that are not part of the original kernel yet) from an installation of GNU/Linux OS? The original source of the proprietary ...