Unable to load SFP+
I am using CentOS7 7.5.1804. I have a Intel 82599 based 10gig SFP+ card. When I try my SFP's I get:failed to load because an unsupported SFP+ or QSFP module type was detected.I tried everything I found...
View ArticleKali Linux: MacBook 207 keyboard only available after boot time
I was happy to see that finally my keyboard works on Kali Linux (USB encrypted persistence boot) using my MacBook Pro 2017. However, what is a bit frustrating is that it is only accessible at two...
View ArticleKernel Bug : unable to handle kernel paging request at ffffffff81e00520
I am trying to replace system call __NR_rmdir in Kernel version 4.15.0-74-generic in Ubuntu 16.04 64bit but it gives following error. The following code is working fine with Linux kernel version...
View ArticleTUN Module Loaded but OpenVPN /dev/net/tun no such file or directory
lsmod -> tun 16587 0 - Live 0xbf0e1000Openvpn error: Cannot open TUN/TAP dev /dev/net/tun no such file or directoryI tried creating a dummy directory but the error changes to Cannot open TUN/TAP dev...
View ArticleUnhide the hidden module in linux kernel
I coded a LKM which has a functionality of hiding itself from procfs and sysfs. The problem is when I try to unhide it I get the following error :libkmod: ERROR ../libkmod/libkmod-module.c:1882...
View ArticleHow to configure buildroot to add a sound device?
I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an...
View ArticleExplicit kernel module load at startup
I'm using grsecurity kernel which disallows automatic kernel load thus several systemd services don't work. After manually loading modules with modprobe and restarting module everything works correctly...
View ArticleHow to disable rfkill after it has been uninstalled from Raspbian
After performing a system update, I suddenly noticed the Wi-Fi on my Raspberry Pi 4 stopped working. No IP address. So I try obtaining a new lease (simple DHCP configuration) with dhclient wlan0, which...
View ArticleInstalling a kernel for Opensuse Leap 15.0
I'm on Opensuse Leap 15.0 with kernel 4.12.14. I need a kernel version > 4.15 in order to use some HW . I looked into https://kernel.opensuse.org/ but I didn't find any kernel for Leap 15.0....
View ArticleCannot 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...
View Articleload 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...
View ArticleLEDs don't trigger on CPU activity
I'm trying to set some triggers for the LEDs on an embedded board (Rock960). They work with heartbeat and mmc1 (main drive) and none of course, but I haven't been able to get any of the cpu<i>...
View Articleg_mass_storage: module ready, but no device found
I try to setup g_mass_Storage to serve mass_storage device on my nanopi neo air with friendlycore (lichee) 3.4 onboard. Module successfully loaded and report, that it has reached ready state, but no...
View ArticleStuck at GTP tunnel Creation
I'm building an application which communicates with a node called SGSN, using GTPv1 tunneling.+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ SGSN -----(GTPv1)----->...
View Articleddcci module suddenly stopped working
comman i triedsudo modprobe ddccisyslogJul 18 13:59:17 phoenix systemd-modules-load[393]: Inserted module 'ddcci'Jul 18 13:59:17 phoenix kernel: [2.991677] ddcci: loading out-of-tree module taints...
View Articlebuild is missing for compiling kernel module
this is my first time trying to create a kernel module, apparently after creating a module I need to follow these steps to compile it:echo "obj-m := Hello.c"> Makefilemake -C /lib/modules/`uname...
View ArticleAutomatic module signing for distribution in Linux
I'm new to writing Linux modules (drivers) and digital signatures, so please correct me if any of my understanding is incorrect.When I run make modules_install on my module, I get the following error...
View Articleiptables extension CLUSTERIP issue:
I have Debian Linux with Kernel 2.6.32 & IPTABLES v1.6, trying to test iptables CLUSTERIP module.Following steps were performed to build IPTABLES from the source:./configure --disable-nftables...
View ArticleWhat is wrong with my code to create a simple char device?
I am trying to create a simple char device in the Linux kernel and wrote the following code. Is there something wrong in the init function? Because i can compile this code and insmod the module. But...
View ArticleWhy I can't load signed VirtualBox kernel modules in Debian with SecureBoot...
With Debian testing and SecureBoot enabled:I need to sign VirtualBox modules, as the output of the vboxconfig command says:vboxdrv.sh: Stopping VirtualBox services.vboxdrv.sh: Starting VirtualBox...
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