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.
8,371
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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....
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28
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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 ...
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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 ...
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1
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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.
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28
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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 ...
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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 ...
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39
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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 ...
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1
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82
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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 ...
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28
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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 ...
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12
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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=...
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311
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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 ...
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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'...
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33
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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 ...
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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 ...
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1
answer
43
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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 ...
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96
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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 ...
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1
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44
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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'...
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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 /...
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1
answer
239
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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 ...
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48
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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.
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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), ...
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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?
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46
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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 ...
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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 ...
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0
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55
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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 ...
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0
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22
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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
...
0
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0
answers
58
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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 ...
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0
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73
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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 ...
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27
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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] ...
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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-...
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1
answer
48
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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 ...
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1
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452
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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 ...
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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-...
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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 ...
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1
answer
42
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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 ...
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18
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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 ...
1
vote
1
answer
134
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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 ...
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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 ...
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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....
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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 ...
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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 ...
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3
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362
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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 ...
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0
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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 ...
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1
answer
96
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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 ...
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72
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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, ...
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41
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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 ...
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2
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194
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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 ...
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46
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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 ...
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128
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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 ...
2
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0
answers
547
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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 ...