Questions tagged [kernel-modules]

104 questions
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at what level modprobe operates ? - linux

I have a machine with Ubuntu 12.04 64 bit, i have the need for blacklisting a module, i have blacklisted it in blacklist.conf but nothing happened; i have solved my problem passing modprobe.blacklist= as argument to the GRUB command line. My…
user1824407
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Where are the acpiphp and pci_hotplug kernel modules for KVM hotplug in CentOS/RHEL?

On the this how-to I read the following: I loaded the following modules to get pci hotplug working: acpiphp pci_hotplug You can either add these to your distro's module list to load on boot, or run a command like this. for m in acpiphp…
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error: "net.ipv4.netfilter.ip_conntrack_max" is an unknown key

I have a problem on Ubuntu 10.04.3 LTS x64 with sysctl net.ipv4.netfilter.ip_conntrack_max . If I run this command on shell, I get back an error: error: net.ipv4.netfilter.ip_conntrack_max" is an unknown key. It occurred on 2 of our machines after…
Arny80Hexa
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What can be the reason for "Invalid module format"?

I'm following the steps to compile kernel 2.6.32 from source, and have no problem to go the the last step: ... make modules_install make install And I've also configured grub.conf correctly. But when I try to reboot,it fails to boot: insmod: error…
yum
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Kernel Panic with gentoo boot (root partition not found)

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) grub.conf default 0 timeout 30 splashimage=(hd0,0)/boot/grub/splash.xpm.gz title Gentoo Linux 2.6.34-r6 root (hd0,0) kernel /boot/kernel-2.6.34-gentoo-r6 root=/dev/ram0…
JB87
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openvpn without tap module? replacement?

I am trying to instal OpenVPN on a special linux distribution that has no tap kernel module, and all howtos available are outdated. I was wondering if there is a way to run OpenVPN without this kernel module. At the moment I can't install OpenVPN…
naugtur
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How to load modules on Synology NAS on boot?

I have a Synology NAS (DSM 6.2.4) and I would like to load usbserial.ko and cp210x.ko on boot. When I run: sudo insmod /lib/modules/usbserial.ko sudo insmod /lib/modules/cp210x.ko The drivers work correctly, but when I reboot they are no longer…
guttermonk
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RockyLinux: unable to load cifs module

I have installed RockyLinux 8.5 and am trying to mount a directory via cifs. I get the following error message: # mount -t cifs -o user=,domain=,password= ///backups /mnt/backups mount error: cifs filesystem…
Volker Raschek
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selinux blocks unconfined service from loading kernel module

I have a daemon running as unconfined_service_t SELinux type, on Redhat Enterprise Linux 8: # ps -eZ | grep savd system_u:system_r:unconfined_service_t:s0 693 ? 00:00:00 savd It is trying to load a Linux kernel module using insmod. SELinux (in…
Douglas Leeder
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How to load ip_nat_pptp module in ubuntu?

How can the module ip_nat_pptp can be loaded in Ubunutu 18.04.2 LTS ? I need this to allow PPTP VPN passthrough.
Shyamkkhadka
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nft_connlimit on RHEL 8 kernel 4.18

Does anyone know what happened to nft_connlimit module on RHEL 8 for nftables? This should be available from Kernel 4.18 onwards but cannot find it anywhere in the available kernel modules. Because of the lack of this one cannot use 'ct count' in…
cranked
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RedHat 7.6\8.0 and LSI SAS 2008 controllers

Starting with versions 7.6 \ 8.0beta, RedHat has disabled support for SAS controllers on the LSI SAS 2008 chip. However, in Fedora 29 with the kernel 4.18, the controllers work. So, RedHat simply assembled the mpt3sas kernel module without the…
Ingvar
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module be2net not loaded with define parameter in /etc/modprobe.d/

I want to load the be2net module with the parameter rx_frag_size set to 4096, the default value being 2048. As specified by the documentation I created a file /etc/modprobe.d/be2net.conf with the content options be2net rx_frag_size=4096. However…
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Cannot Install mac80211(_hwsim) module on GCP Ubuntu 16.04 instance

I am new to GCP services and try to deploy mininet-wifi script to the cloud. On physical machines the installation described in the link and the SDN python script work pretty fine. However, for some reason on GCP Ubuntu instance this does not…
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How to configure the st kernel module for LTO-6 tape drives?

I found a hint to configure the st module in a mail from 2004 redhat mailinglist about a slow LTO-2 drive. modprobe st buffer_kbs=1024 max_buffers=128 max_sg_segs=128 blocking_open=1 Are similar settings required for best performance of LTO-6…
Jonas Stein
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