Questions tagged [kernel]

Linux is the name of the kernel used in Ubuntu as well as other GNU/Linux operating systems. Use this tag for questions related to upgrading and installing kernels, compiling, patches, and kernel modules.

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Ethernet not recognized on Ubuntu 22.04

I am running Ubuntu 22.04 (Windows 11 dual boot) using kernel verion 6.5.0-21-generic. I am running this version of the kernel because it appears that the intel wireless driver is incompatible with 6....
wvn's user avatar
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Possible problem of the rtw_8821ce wifi driver in 6.1 kernel

I noticed that wifi speed in my laptop decreases after rebooting the router. When I bring the laptop close to the router the speed is restored. And it does not decrease when I bring the laptop back. I ...
Mahler's user avatar
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31 views

How to uninstall ubuntu studio low latency kernel

I recently installed the ubuntu studio software alongside its low latency kernel on my vanilla ubuntu installation. I checked "allow OS to boot low latency kernel as default" and (since im ...
src_mtrl's user avatar
-1 votes
1 answer
30 views

How to insert our own code into kernel source code [duplicate]

Can I able to modify the kernel of ubuntu OS, If yes please share the steps to change. or Can I able to include my own code in kernel.
Esakkinathan B's user avatar
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Latency issues on KVM VM and kernel 6+

I'm running virtualization on Ubuntu 22.04lts host and when upgrading the kernel to 6.* we start to have issues with latency on the VM machine(qemu+libvirt). The moment I roll back to kernel 5.15 on ...
smkenzyyyy's user avatar
-2 votes
0 answers
62 views

what kernel structures are mapped in each process image?

I know that for every process image there is a part reserved for the kernel. But what structures are in there exactly? Can someone give me an exhaustive list? Thanks! This is an image of what I am ...
Prudence Clearwater's user avatar
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39 views

Ubuntu 22.04 no longer recovering from suspend after kernel update

Acer Aspire E5-573-70MD, received an upgrade from 6.5.0-25-generic to 6.5.0-26-generic, now will not resume from suspend. On pressing a key to wake computer, instead of the regular tty1 login screen ...
user72849's user avatar
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1 answer
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Ubuntu can't connect a bluetooth headphones after a update

I recently updated my laptop to Ubuntu 23.10 (with kernel 6.5.0-26-generic). I have a bluetooth headphones that used to connect perfectly to my laptop without any problems, but since I update my ...
Carlos Garcia's user avatar
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Unable to boot custom upstream kernal on Ubuntu 24-04 [closed]

I spend a lot of time developing drivers for Linux and have been using Ubuntu as my dev platform for several years without issue. I build a kernel and drivers from a git repo forked off of the head of ...
Bob Pearson's user avatar
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12 views

Cross-Compile Raspberry Pi "Kernel configuration is invalid" Error

I'm using ubuntu as a host to cross compile raspberry pi 3b+ as a target. I tried to use commands below: sudo make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -C /home/ubuntu/Desktop/workspace/linux M=...
Alperen's user avatar
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Install kernel headers using Kernel 6.8 and Ubuntu 22.04

Apparently I'm trying to install kernel headers but it complains about libc6 being too old. I searched Google and from what I can tell upgrading it would "send the system into chaos" and ...
Eduardo Perez's user avatar
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X1 updating kernel from 5.14.0-1034-oem on Ubuntu 22.04.4

I have an X1, seems my kernel is 5.14.0-1034-oem. This is a 2004 kernel, but my system is 22.04.4. The kernel has not been updated in a long time. I suppose I need to somehow remove the OEM kernel. I'...
Dory Zidon's user avatar
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0 answers
33 views

Wifi disappears after uninstalling Tailscale [closed]

I'm running Ubuntu 22.04 Kernal 6.6.10-generic (pop os) and recently installed Tailscale after KDE connect stopped working on mac. (Mac + Linux desktop on the same network) Tailscale was working fine ...
poppedmylinux's user avatar
-1 votes
0 answers
93 views

Ubuntu 22.04 LTS and kernel module 6.5.0-25-generic does not connect to any wifi network

I have linux ubuntu installed on my Lenovo Ideapad3, with Realtek network adapter. I connect to any wifi, since last Thursday. I tried as written in many blogs, one of them works. Which was to switch ...
Turn EOghuz's user avatar
-1 votes
1 answer
43 views

VirtualBox doesn't start any VMs on Ubuntu 22.04

I installed VirtualBox form the official website but it fails to start any VMs Trying to follow the instructions doesn't help. I also followed this guide and this to try to solve it but didn't make ...
nest's user avatar
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ubuntu desktop 22.04 LTS kernel version: linux-6.5.0-27-generic causes my network UNCLAIMED

It seems that my Linux kernel auto-updated today, which caused my computer to lose internet access. When I checked the hardware with the command sudo lshw -c network, I got the result of "network ...
lilhammer's user avatar
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How can I use the real-time kernel with ZFS functionality in Ubuntu 22.04?

I'm using Ubuntu 22.04 and installed a real-time kernel. Whenever I reboot with the RT kernel, I end up in a busybox prompt saying 'ZFS module not loaded.' I tried running /sbin/depmod zfs but it didn'...
Muhammad Siddique's user avatar
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0 answers
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ubuntu 20.0 grub.cfg is overwritten by rescue cd with older ubuntu version

I inherited a ubuntu 20.0 system that the grub.cfg was overwritten by ubuntu 19.4 version (I think). the original grub.cfg is gone without backing it up. I see all the files in /boot/vmlinuz* and /...
user2037551's user avatar
2 votes
1 answer
239 views

I encounter this after running sudo apt upgrade [duplicate]

I encounter the following error after running sudo apt upgrade in Ubuntu 22.04: dpkg: error processing package linux-hwe-6.5-headers-6.5.0-26 (--configure): package is in a very bad inconsistent ...
valdo ndimbiarisoa's user avatar
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How to add NTSync support to both kernel and Wine?

Lubuntu 22.04.4 LTS. How can I apply NTSync patches for kernel and Wine? I've built a few custom kernels years ago (16.04 or 18.04, I don't remember), but I have no idea how to apply NTSync patches.
NickDoom's user avatar
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How to install linux-modules-extra with kernel update

When upgrading the kernel without linux-modules-extra-xx-generic, my computer is losing network access after activating the kernel. As I have WiFi access only (which is lost after the kernel upgrade), ...
Alexander Zeitler's user avatar
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0 answers
32 views

how to boot into a generic kernel

I have the following installed: root@system:~$ ls /lib/modules 5.15.0-100-generic 5.15.0-1051-kvm I wish to boot into 5.15.0-100-generic from the default 5.15.0-1051-kvm on reboot. How do I do it?
Shery's user avatar
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Activation association took too long

My wifi doesn't connect to any network names, after a day previously it worked fine. My device is Lenovo IdeaPad 3 15ABA7. My wifi modem is Real Tek Semiconductor Kernel Linux image 6.5.0-25 generic ...
cemshid nahcivanski's user avatar
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0 answers
30 views

Remove an old Kernel

My network adapter wasn't supported when I initially installed Ubuntu server 20.04. This was several years ago, and my memory of how I addressed the issue is pretty foggy; I'm fairly certain that I ...
e64462's user avatar
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How can I increase the kernel frequency to 1000Hz?

I'm currently running Ubuntu Server 22.04.3 LTS My kernel runs at 250Hz, as can be seen by the output of: grep 'CONFIG_HZ=' /boot/config-$(uname -r) How can I make it 1000Hz? All posts I've found are ...
Foobarer's user avatar
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0 answers
22 views

RTL8811AU Driver Installation Raspberry Pi 4 [duplicate]

I am trying to install driver for RTL8811AU chip on my Rasberry Pi 4 with no success to my wifi dongle. My kernel version is the following uname -r 5.15.0-1048-raspi My wifi dongle is recognized ...
Tor Erik Haavik's user avatar
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0 answers
58 views

Ubuntu 22.04 wifi doesn't connect to any network with activation of connecting failed

My wifi doesn't connect to any network names, after a day previously it worked fine. My device is Lenovo IdeaPad 3 15ABA7. My wifi modem is Real Tek Semiconductor Kernel Linux image 6.5.0-25 generic ...
cemshid nahcivanski's user avatar
0 votes
0 answers
73 views

Getting: WARNING: Module.symvers is missing. when trying to build nvme driver module in v6.5

I have cloned the source code for (v6.5) and I am trying to build just nvme driver module and I am using the following command: sudo make M=drivers/nvme It is giving the following error: enter image ...
user16820050's user avatar
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27 views

Kernel panic when connect Wi-Fi direct (P2P) to other device

I am using RTL8812AU driver.When I connect Wi-Fi directly to other devices (such as samsung phone), kernel panic occurs. Logs are attached below: Log: [ 230.513996]Call trace: [ 230.516442] ...
Trinh Minh Khuong's user avatar
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0 answers
32 views

It it safe to remove GA kernels when using HWE?

I am running Ubuntu 22.04 with ZFS on root. My boot partition is only 1.8GB - I find that it is constantly running out of space with snapshots of just a couple kernel updates. dpkg -l | grep linux-...
l k's user avatar
  • 153
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1 answer
48 views

Ubuntu 20.04 - Kernel Panic when installing AMD Drivers

First post here, so be gentle... I'm installed Ubuntu 20.04 Desktop onto an old desktop turned mining rig. I managed to install Ubuntu onto the HDD currently in the system, and works seamlessly, until ...
GipsyD's user avatar
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0 votes
1 answer
452 views

Ubuntu 22.04.4 unusable after getting kernel 6.5.0-25

On my Lenovo T480s laptop running Ubuntu 22.04.4, upgrading to kernel 6.5.0-25 completely broke it. If it doesn't stall during boot, the desktop is sluggish and soon shows a dialog saying "gjs is ...
xcel102's user avatar
-1 votes
0 answers
43 views

How can I setup the TL-WN725N Nano USB Adapter's drivers on Ubuntu 23.10 with kernel version 6.5.0-25-generic?

I have just bought the TL-WN725N Nano USB Adapter for my Ubuntu laptop. Still, to my disappointment, this USB adapter doesn't have any drivers beyond kernel version 4.x, which also goes for the third-...
User239847234984's user avatar
-1 votes
0 answers
15 views

GRUB: Boot generic kernel instead of realtime one ONLY on next boot

I've been looking all over for this, it must be possible but the closest answer i could find is this one: How can I get grub2 to boot a different option only on the next boot? This is for a laptop ...
dolt's user avatar
  • 333
0 votes
1 answer
42 views

Ubuntu 22 - Repeated wireless reset by kernel

I have a baffling issue on a relatively fresh install of ubuntu 22.04. I noticed today that the internet was very slow on my laptop, but not on my phone or other laptops in the apartment. After some ...
wvn's user avatar
  • 121
0 votes
0 answers
18 views

GRUB: Boot generic kernel instead of realtime ONLY on next boot

I've been looking all over for this, it must be possible but the closest answer i could find is this one: How can I get grub2 to boot a different option only on the next boot? This is for a laptop ...
dolt's user avatar
  • 333
1 vote
1 answer
134 views

WiFi Issue: Terminal Freeze upon Turning Off WiFi

Dear Ubuntu Community, I am encountering a persistent issue with my Ubuntu 23.10 system related to the WiFi functionality. While the WiFi connection itself works flawlessly, attempting to turn off ...
David Koyno's user avatar
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0 answers
47 views

How do I compile the actual linux-modules-iwlwifi instead of the mainline kernel code from source

I'm doing some regulatory compliance work and I need the iwlxvt module and to modify the source of iwlwifi. The kernel modules installed by linux-modules-iwlwifi include the iwlxvt module that is part ...
davolfman's user avatar
  • 119
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0 answers
32 views

Cannot install nvidia drivers with .run

i was using nvidia omniverse, and a very simple scene crashed every time i opened it. I looked up a fix, and i found this page (https://docs.omniverse.nvidia.com/dev-guide/latest/linux-troubleshooting....
Josiah's user avatar
  • 11
-1 votes
0 answers
19 views

Building Android 8.0 Kernel on VMM on Ubuntu - Too Many Open Files Error

Every time I build Android 8 kernel from source I get a "Too many open files" error at some point and the build fails. I have searched for solutions and tried a lot of stuff but nothing ...
Chuck's user avatar
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0 answers
83 views

Ubuntu 22.04 kernel 6.5.0-21 and r8168-dkms (r8168-dkms : Depends: dkms (>= 3.0.3-4~) but 2.8.7-2ubuntu2.2 is installed)

So I have Ubuntu 22.04 with RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller. When I'm using the standard driver, my network disconnects every time. That's why I had to remove the driver and ...
syncerror's user avatar
-1 votes
3 answers
362 views

Stuck with kernel 6.2.0 on Ubuntu 23.10

I'm running Ubuntu on a thin client as a headless home server. I've upgraded to 23.10 a few monthes ago, but I realize I've been stuck with kernel 6.2.0 since then. Running sudo apt update, sudo apt ...
Mysterius's user avatar
0 votes
0 answers
25 views

Which versions of Ubuntu support absolute mouse mode?

I am using a dual-head-KVM to connect to different dual-monitor systems. The KVM uses absolute mouse mode to operate which works great if the operating system supports absolute mouse mode. I am not ...
Juergen's user avatar
0 votes
1 answer
96 views

grub not finding hwe kernel

I'd like to try the hwe version of the 22.04 kernel in an attempt to fix some non-working hardware (built-in speakers) . I installed the hwe kernel with the 'mainline kernels' GUI and it seems to be ...
jeremy_rutman's user avatar
1 vote
0 answers
72 views

GPU has fallen off the bus (Nvidia) RTX 2060S

At a random moment, such an error appears and the system freezes dead. After a reboot, most likely, there may not be such an error, but if I turn off the computer for a long time and turn it back on, ...
showex's user avatar
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0 votes
0 answers
41 views

Interface Drops after Kernel upgrade

I have an ubuntu server with 22.04 and yesterday I updated the kernel version from 5.15.0-97-generic to 6.5.0-18-generic and after upgrade i have seen interface drops and also there was tcp ...
Harsha's user avatar
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0 votes
2 answers
194 views

Webcam Not Detected on Ubuntu 22.04.4 LTS (Predator PHN16-71)

I'm encountering an issue where my built-in webcam is not recognized by Ubuntu 22.04.4 LTS on my Predator PHN16-71 laptop. Interestingly, the webcam functions correctly on Windows, suggesting a ...
Sayed Mohamed Ebrahim's user avatar
0 votes
0 answers
46 views

Nvidia Driver Issue ThinkPad T530

I just recently started using Linux on mu old laptop and the first thing that I encountered is that the quality of the picture and text is not as crisp and clean as it was on Windows. I think that ...
Georgi Vasilev's user avatar
0 votes
0 answers
128 views

ubuntu 23.10. Error updating the kernel

Prop. of my Ubuntu PRETTY_NAME="Ubuntu 23.10" uname -r 5.15.0-72-generic Error updating the kernel to version 6.5 logs: dkms/anbox-ashmem/1/build/make.log DKMS make.log for anbox-ashmem-1 ...
robertolabarca's user avatar
2 votes
0 answers
547 views

Boot issues due to missing NVIDIA driver after Kernel upgrade to 6.5.0-21 (from 5.15.0-91)

I am running Ubuntu Desktop 22.04 (upgraded a few months ago from 20.04) on a circa-2011 MacBook Pro. (CLARIFICATION: The problem seems unrelated to the upgrade from 20.04 to 22.04 ... I've been on ...
billyjoepiano's user avatar

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