Questions tagged [kernel-module]

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Ethernet PHY is busy for getting eye diagram

I'm working with Marvell (Ethernet) PHY as a part of an embedded Linux system (as a part of the kernel module), and I want to get eye diagram statistics, but I get the PHY is busy all the time while ...
HappyOwl's user avatar
1 vote
1 answer
531 views

How do I get initramfs to find the root partition on all devices?

I have the following setup: artix linux OS linux-hardened kernel “6.1.24-hardened1-1-hardened” encrypted root partition (no lvm) unencrypted boot partition (GRUB installed) device is a USB stick no ...
user1794392's user avatar
1 vote
0 answers
126 views

How can I enable the 4 SPI interfaces on BeagleBoard X15 so that they are visible in the /dev directory?

I have configured and compiled the Linux kernel using buildroot. I want to have access to spi buses on this board in user mode. Here are the steps I've take to compile the kernel. 1- clone the ...
Mohammad's user avatar
0 votes
2 answers
242 views

No vbox guest modules load in Debian guest after update Virtualbox from v6 to v7

After updated Virtualbox from v6 to v7 on Window 10 - I installed extension pack for v7 and then reinstalled guest additions for the guest. The guest is Debian-based AntiX with kernel 4.9. I have also ...
pesho hristov's user avatar
1 vote
1 answer
726 views

Can't install and use acpi_call on Fedora 37

Fedora 37 Workstation 6.0.7-301.fc37.x86_64 I downloaded acpi_call from here, and rpm -qa | grep acpi_call returns acpi_call-1.1.0-1.noarch, so it's installed. And rpm -ql acpi_call returns list of ...
metramarta's user avatar
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0 answers
103 views

Changing which gpu is controlling the primary display (From nvidia to AMD)

I am using Nobara on my desktop computer. Currently I have two gpus one GTX 1070 and an AMD Radeon 6700XT. At the moment when I boot into Nobara, the 1070 is the one which is chosen as the main ...
Halberd's user avatar
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1 answer
2k views

wireguard installation: modprobe wireguard fails

I installed wireguard on Ubuntu 22.04 LTS and all is fine. On another older machine running Ubuntu 18.04 LTS, I have problems in wireguard installation. When I execute sudo ip link add dev wg0 type ...
Sunny's user avatar
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3 votes
1 answer
4k views

What does --allowerasing option in dnf command do?

I am reading a book which instructs me to install 5.24 stream and minimal profile of perl module by running... # dnf module install perl:5.24/minimal --allowerasing Everything was explained in it ...
Aryan's user avatar
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2 votes
0 answers
636 views

How to compile only the KVM kernel module from Linux source tree?

I am hoping to compile the KVM module from Linux source code and install it on my Debian machine. However, I do not want to compile the entire Linux. My kernel comes from Debian. I heard from the ...
Eric Stdlib's user avatar
5 votes
0 answers
2k views

Kernel lockdown disallows loading of an self-compiled and self-signed in-tree kernel module

I'm having difficulties loading a kernel module that I myself compiled and signed for Secure Boot. The module in question is ec_sys, located within drivers/acpi directory of the kernel tree. I'm using ...
mdx's user avatar
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Linux SMP system: User process, Kernel module functions, Kernel module interrupt handler, SLUBs: run on which core?

I'm having some uncertainties regarding the kernelspace / userspace behaviour of multicore multithread systems, especially in combination with allocations using SLUB. Could you please give me some ...
tjarco's user avatar
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1 answer
58 views

KVM 3.1.1 installation

I have a requirement to install KVM 3.1.1 on RHEL7 or 8. When I am checking I found that qemu-kvm is automatically installed on RHEL8 and the version is 4.2. It would be great if anyone can share the ...
MOBIN TM's user avatar
1 vote
1 answer
225 views

Boot loop with certain Sata to USB adaptors

So in my persuite to try and get some servers running on two Raspberry Pi 4, I ran into some boot problems. This is the setup. 2 x Pi 4 that is booting from an SDCard with UEFI. They then boot up from ...
Denny's user avatar
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1 answer
774 views

Linux kernel configuration - make localmodconfig - missing modules

I know that when you run localmodconfig, only the loaded modules are copied to the new configuration file and that is my problem. For example, the sound card goes to sleep after about 30 seconds and ...
Teso's user avatar
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1 answer
473 views

VMWARE Player Kernel-Headers

I downloaded VMware-Player-16.1.2-17966106.x86_64.bundle from VMware website. I followed Arch wiki guide to Install and run because, I use Arch . I downloaded all the necessary packages including ...
user avatar
1 vote
1 answer
804 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 ...
HYK's user avatar
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540 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 ...
schustercp's user avatar
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1 answer
109 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 ...
Klemen Košir's user avatar
1 vote
1 answer
6k 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 ...
lmoly's user avatar
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1 answer
1k 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 ...
Jakub Maly's user avatar
1 vote
1 answer
395 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/...
serghei's user avatar
  • 145
0 votes
1 answer
1k 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 &...
avatli's user avatar
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3 votes
1 answer
166 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]] .....
malat's user avatar
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0 votes
1 answer
348 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 ...
mowglie's user avatar
0 votes
1 answer
3k 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 ...
Eric B.'s user avatar
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1 answer
52 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 ...
Skaperen's user avatar
  • 301
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0 answers
226 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 ...
Darren Ng's user avatar
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1 answer
984 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. ...
DeepDeadpool's user avatar
2 votes
3 answers
2k 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 ...
money-for-nothing's user avatar
0 votes
1 answer
72 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//...
arifisik's user avatar
  • 302
0 votes
0 answers
789 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:/...
mufit's user avatar
  • 11
0 votes
2 answers
1k 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 ...
KInGcC's user avatar
  • 101
0 votes
0 answers
188 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 ...
DoM1niC's user avatar
4 votes
2 answers
10k 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 ...
rcorre's user avatar
  • 226
1 vote
0 answers
2k 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: ...
Murali's user avatar
  • 11
1 vote
2 answers
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 ...
Jamie's user avatar
  • 11
0 votes
0 answers
1k 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 ...
manu810's user avatar
1 vote
2 answers
575 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?
Joe Toe's user avatar
  • 123
1 vote
1 answer
590 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 ...
beyondtime's user avatar
1 vote
0 answers
49 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/...
Kareem's user avatar
  • 208
1 vote
1 answer
5k 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 ...
KateOleneva's user avatar
0 votes
1 answer
1k 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 ...
Chi non salta Pavarotti è's user avatar
1 vote
2 answers
4k 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 ...
confetti's user avatar
  • 2,427
1 vote
1 answer
3k 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 ...
stmfunk's user avatar
  • 227
7 votes
4 answers
19k 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’: /...
user1330734's user avatar
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0 answers
147 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 ...
frans's user avatar
  • 1,067
9 votes
1 answer
6k 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 ...
Timur Fayzrakhmanov's user avatar
2 votes
1 answer
283 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 ...
Lane Ouyang's user avatar
0 votes
1 answer
279 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-...
cstricklan's user avatar
2 votes
0 answers
813 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 ...
Joe Dalton's user avatar