Kernel panic ubuntu. So now the question is, how come booting from the 6.
Kernel panic ubuntu I just revert back to my backup and wait for this to be resolved. If your hardware is not compatible with Ubuntu, or if it is not properly configured, it can cause kernel panics. 04 and has had minimal issues until now. 0-29-generic” option boots fine but is very slow. Reading through the output Sep 26, 2024 · It gets stuck on a blank screen and eventually throws the following error: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0) CPU: 1 PID: 1 comm: swapper/0 not tainted 6. May 27, 2023 · The main issue seems to be solved by allocating the full recommended 25 GB, although I hope it doesn't end up using that much space on my computer. Login header contains; Welcome to Ubuntu 22. Mar 6, 2023 · As stated by the kernel panic, the Initramfs can't be unpacked. Then reboot the system. Jan 5, 2012 · Open up the terminal using Ctrl + Alt + T Then check your available kernel using the command, dpkg --list | grep linux-image Update to the latest kernel or get the latest kernel with the commands: sudo apt update sudo apt upgrade sudo apt upgrade linux-image-generic # OPTIONAL Now the new kernels will be downloaded. 15. Try to boot a previous kernel, and reinstall the kernel update. 10 Ubuntu machine. 04 LTS started working as before (in a more or less usable state considering its speed when it came to applications like, for example, Firefox). Can you explain What is a kernel panic? Why does it occur? How can I find out that a kernel panic occurred? What effect doe Oct 29, 2025 · A ‘kernel crash dump’ refers to a portion of the contents of volatile memory (RAM) that is copied to disk whenever the execution of the kernel is disrupted. This is an update about the transition of the forums to Ubuntu Discourse. Jan 13, 2025 · I’m new to Ubuntu and Linux in general, so please bear with me as I try to explain my issue. I am able to boot into my system but I have to choose advanced option and choose a working kernel Thanks so much Mar 30, 2017 · I have tried to update my Ubuntu version and after updating, my boot screen is displaying a kernel panic message and I'm unable to access my login screen. Kernel panics can be intimidating for beginners, but understanding what they are, what causes them, and how to resolve them is an essential skill for any Ubuntu user or system administrator. Jun 29, 2024 · This question is similar to: Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0). conf, sysctl. In this article, you will learn about one situation A help and support forum for Ubuntu Linux. This guide will walk you through the fundamentals of kernel panics in Ubuntu, how to diagnose them, and most importantly, how to fix and prevent them. After a bit of hyperventilation and first checks (Windows boots … all disks/SSDs are fine) and discovering that kernel 6. OS Version: Ubuntu 20. enter image description here So I googled and found some solutions and tried. 04 is almost at the end of its life, I wanted to replace it I got prompted to upgrade to 20. 0-36-generic) then sudo update-grub. Jan 18, 2025 · Are you a Linux enthusiast or sysadmin? Understanding kernel panic codes is key for diagnosing failures. ( I could be wrong ) You can do as I suggest. 4 LTS this morning and I find the following kernel panic error 4. Can you handle a "Double fault exception" or "Kernel stack corruption"? Check our guide on Linux kernel panic codes to manage these issues effectively. Mar 20, 2025 · Root Cause: Missing initramfs The root cause of the Kernel Panic is that the initramfs (initial RAM file system) for the newly installed kernel version is missing. 2-live-server-ppc64el. May 11, 2023 · Kernel Panic - Not Syncing: VFS: Unable to Mount Root FS on Unknown-Block (0,0) is a common error that can occur in Ubuntu when the system is unable to mount the root file system during boot. 04 Booting with refind ‘boot/vmlinuz/6. Jan 30, 2023 · How to fix Kernel Panic in Ubuntu 22 After you run into this issue and do an online search, a lot of the articles that you find will talk about how to fix it in Gentoo among others. 6. 0-24-generic” or its (recovery mode) option ends with a different kernel panic message. Make sure that your hardware drivers are May 11, 2011 · Choose another kernel from the GRUB menu under Advanced options for Ubuntu and run sudo update-initramfs -u -k version to generate the initrd for version (replace version with the kernel version string such as 4. panic=1 (where 1 is the number of seconds before rebooting). I just completed an OS course. 3. Below is a breakdown of its causes, a real-world example, and step-by-step solutions. So now the question is, how come booting from the 6. Jan 18, 2025 · Discover how to fix kernel panic issues with our easy guide, tackling problems like 'kernel panic not syncing' effectively. This is most likely due to a faulty kernel update. When you upgrade Ubuntu, the kernel gets upgraded as well, but if the initramfs doesn’t get generated for the new kernel, the system fails to boot. 04 LTS setup: Kernel panic - not syncing: Timeout: Not all CPUs Sep 17, 2022 · But even after the kernel panic appeared, I was able to restart the computer, run fsck /dev/dsa5 again and Ubuntu 22. Same if I do debug mode on that. A help and support forum for Ubuntu Linux. I see others post at the forum and i have tried with up my VirtualMachine CPU to 2 core and the RAM but doesn´t work. Exiting from that results in similar-looking kernel panic. 5 days ago · Another form of kernel panic can occur in a situation where the kernel doesn't know how to handle a certain request and protects itself by stopping. Jun 2, 2015 · Summary: When trying to install Ubuntu i get Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) and the other questions adressing the same Jan 13, 2025 · Hi everyone, I’m new to Ubuntu and Linux in general, so please bear with me as I try to explain my issue. May 2022, 08:55 I would try giving the VM resources more reasonable for a 64bit OS: 2 CPU cores, 2048MB RAM, and 64MB graphics RAM. Logs and screen attached. on restart i ge Feb 23, 2022 · Error message here end Kernel Panic - not syncing: attempted to kill init! exitcode=0x00007f00 Ask Question Asked 3 years, 8 months ago Modified 3 years, 5 months ago Kernel panic during suspend Debugging suspend/resume issues can be difficult if the kernel panics during suspend, especially late in the suspend because console messages are disabled. Here’s what… Jun 29, 2025 · Linux Kernel Panic A kernel panic is a critical error where the Linux kernel cannot recover, forcing the system to halt. 04, the system ran into a Kernel panic during boot. I’ve encountered what I believe is a kernel panic on my laptop, which is running Ubuntu 22. Whenever the grub menu comes in it shows 3 options start ubuntu normally advanced options for ubuntu memory test memory test . 122-generic (but the version . dangerous-cmdline Dec 5, 2015 · The panic screen — which you have not transcribed in full in your question but really should so that the text will be indexed and people will find it in the future — says Comm: sh. That way you can see exactly what's causing the panic during boot. You've probably used Linux today, even if you didn't realize it. Tried another version of kernel and its recovery mode. Some common hardware issues that can lead to kernel panics include: Outdated or incompatible hardware drivers. Apr 18, 2024 · FW13 AMD version 64GB RAM Ubuntu 22. 0 01/17/2019 May 28, 2025 · Imagine you’re happily working on your Linux system, maybe compiling a package, running updates, or just browsing and suddenly, your screen freezes, and a wall of cryptic text appears: “Kernel panic – not syncing: Attempted to kill init!” Now, before you start sweating, let’s slow down and learn how to understand, simulate, and fix a kernel panic. Aug 19, 2020 · To my surprise, instead of immediate kernel panic, something called BusyBox comes up with an " (initramfs)" prompt. 0-215-generic x86_64) console1283×1024 150 KB Relevant System Information Jun 24, 2020 · I got a new laptop and installed Ubuntu on it, the touchpad didn't work, so I followed instructions here: IdeaPad 5 15are05 - elan touchpad not working on 20. If you have not already done so, you can log into Ubuntu Discourse using the same Ubuntu Jul 22, 2025 · Kernel Panic Hi. 5 LTS (GNU/Linux 5. I want to get help because I'm facing a kernel panic problem like below. When something goes catastrophically wrong — say, a driver messes with memory it shouldn’t, or a vital component fails — the kernel halts everything to prevent further damage. 5 LTS TL;DR（結論） Ubuntuのカーネルアップデートに伴い、新カーネル用の initrd. 6 days ago · Conclusion Kernel panic in Linux is a serious issue that can cause significant problems for system administrators. BUT if I boot the old 5. 11 boots I landed here. Inspiron 15-3567/04YVDP, BIOS 2. How would I remove that kernel and … Aug 21, 2022 · my laptop went in to the hibernation during distro upgrade . Upon booting I am presented with the following kernel panic: After forcefully shutting down the machi Mar 31, 2020 · Sometimes, typically in the first minute after booting I get the following error on my Ubuntu 18. 04-desktop-amd64. 04 nor on 18. 04 on my 19. If you have not already done so, you can log into Ubuntu Discourse using the same Ubuntu Nov 29, 2024 · A kernel panic is a critical error in Unix-like operating systems, such as Linux, where the kernel encounters an unrecoverable issue and halts the system to prevent further damage. If you believe it’s different, please edit the question, make it clear how it’s different and/or how the answers on that question are not helpful for your problem. I get to the screen where it says Try Ubuntu, Install Ubuntu, etc. iso and used Universal-USB-Installer-1. Nov 30, 2020 · Linux is used everywhere in the IT world. kernel. 0-35240528-generic I have plucky installed on a different m2 drive - same machine, not affected by this. e. 1 LTS Kernel Linux 5. 15 kernel. 5 LTS. Re-installation of same OS gives the same result as does installing recent releases of Kali and Debian. 04 I was updating some packages, did a reboot and found a kernel panic: run-init: /sbin/init: No such file or directory Target filesystem doesn't have requested /sbin/init run-init: / A help and support forum for Ubuntu Linux. I run in to this error during boot : Kernel Panic- not syncing: VFS: Unable to mount root fs on unknown Jun 11, 2020 · 1 currently running ubuntu 18. Nov 19, 2020 · The kernel panic not syncing error can happen for various reasons, one of which may be due to buffers not being flushed to the actual devices. 04 I just was prompted to install some Ubuntu updates from the software centre but now i have a message End Kernel panic - not syncing - Fatal exception in interrupt Anyone else experienced this? EDIT: a hard reboot and ubuntu loaded normally. The problem with this approach is that somehow the new kernel seems to have messed up the old one, and if and when I use the GRUB menu to select a previous version (both in regular and recovery mode) the new kernel gives the Apr 22, 2015 · The panic message recommends setting the init= option of the kernel command, which I've tried to do (/sbin/init and even dropping a copy of init in /boot just to see if anything different happens) to no avail as well. When booting without the splash scre Nov 6, 2024 · Applies to: ️ Linux VMs This article discusses multiple conditions that can lead to a kernel panic and provides troubleshooting guidance. d, boot line, or however you normally set your kernel parameters. 4. Oct 13, 2012 · I was trying to update libc in our Ubuntu server but it failed and now when I reboot the server I get a error message: Kernel panic - not syncing - Attempted to kill init! Oct 23, 2012 · 2 Eror msg: Kernel Panic - not syncing: No working init found. 9. I woke up this morning to my server down and upon not I've been trying to install Ubuntu Server 24. 04 and installed a custom Is it possible to cause a kernel panic with a single command line? What would be the most straightforward such command for a sudoing user and what would it be for a regular user, if any? Scenario Mar 18, 2024 · Explore a few methods for intentionally causing a kernel panic for testing in a controlled Linux environment. 675 I tried the "Try ubuntu only without installation" option but it doesn't reach any prompt (#). I tried to edit and init=/bin/bash/ to the grub config file with a live bootable usb. Root cause for me: Looks like compilation of nvidia sources failed. When I tried to install from it, I've got a kernel panic just Jul 19, 2024 · Learn the causes and solutions for Linux kernel panic on MacOS and Ubuntu. The transition is complete and this forum is now closed to all new posts. How would I remove that kernel and have my system boot into a kernel that works. Since the support for Ubuntu 20. Boot into the Older Kernel After selecting the older kernel, press Enter to boot May 31, 2024 · I am currently running Ubuntu 20. But now on system reboot I am getting end kernel panic- not syncing:attempted to kill init! exit code=0x00000100. However once I cold or warm boot, the system fails to do so and gives the above message. 11. Suggested Solution: wait for fix, use previous version. These include: Hardware issues. Jun 20, 2023 · This article explains the kernel panic error and offers the possible steps for troubleshooting the error on your system. Power off the system and turn it back on. Software being run is: Ubuntu 22. Selecting “Ubuntu, with Linux 6. If you have not already done so, you can log into Ubuntu Discourse using the same Ubuntu Sep 8, 2016 · Kernel Panic - Not syncing: Attempted to kill init! exitcode=0x00000009 Diagnosis: New kernel version has bug. 32, with ubuntu 18. Sep 18, 2023 · I turned on my laptop running on ubuntu 20. Dynamic kernel parameter modifications ¶ There are two system options that can be used to add new kernel boot parameters to a system that has been deployed and is running: system. I was able to get expert mode working by pressing enter while in a textbox (although it still has major glitches if I try to move the window). Oct 26, 2024 · A detailed guide on diagnosing and fixing kernel panic errors in your Linux system. Hello, Unregistered. iso) onto an IBM Power S922 (9009-22G) that I bought second hand. Causes of Ubuntu VM Kernel Panic There are a number of possible causes of Ubuntu VM kernel panics. 8. There are two common causes for this: The kernel doesn't support the filesystem on the device. Aug 10, 2025 · Hello I am having issues with Ubuntu 24. 04. As someone who’s broken and fixed Explore related questions ubuntu kernel-panic See similar questions with these tags. You can add that to your sysctl. Another form of kernel panic occurs when the kernel encounters a situation it doesn't know how to handle and protects itself by Nov 8, 2023 · If Ubuntu abruptly loses power, kernel panic occurs, or the system freezes, it can corrupt files and leave the system unbootable. However in your case I'd boot a 'live' system (such as Ubuntu install media and using the "Try Ubuntu" option) and file system check (fsck) or your partition looking for errors & fixing them if found. 974048] Initranfs unpacking failed: junk Jul 25, 2025 · I woke up this morning with exactly the same problem. First try booting to an older kernel version from GRUB. (Linux only, no dualboot) After upgrading, I immediately got presented a white screen saying "Oh no! Something has gone wrong - Please Jan 31, 2022 · 2 I'm a newbie in ubuntu. And they showed same kernel panic and exitcode Oct 21, 2018 · The kernel version of Ubuntu OS image that you are trying to install requires a later version of VMWare Workstation in order to run. by mpack » 7. Try passing init= option to kernel. Ubuntu Unity 24. 04 ran the command sudo apt full-upgrade and tried rebooted the system but after i selected my ubuntu install on the grub menu kept getting something saying something about kernel panic and wont go past that screen? I downloaded ubuntu-11. The following events can cause a kernel Aug 10, 2025 · Hello I am having issues with Ubuntu 24. Found out via: sudo dpkg --configure -a(I might have done this more than once) encountered errors. Since the upgrade, I have been encountering a kernel panic error: "Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- Jun 17, 2025 · The kernel is the core of your system — it manages memory, hardware, processes, and more. May 15, 2022 · I'm having a kernel panic in vbox 6. Anyone needing support for Ubuntu or the official flavours should seek help at Ubuntu Discourse. The kernel is the primary unit of the Linux operating system (OS) and is responsible for communications between a computer's hardware and its processes. May 17, 2025 · Kernel Panic是Linux操作系统中的一种紧急错误情况，当操作系统遇到无法正常处理的问题时，内核会决定这种“恐慌”状况，以保护系统不受进一步破坏。在Ubuntu操作系统中，遭遇Kernel Panic问题可能有多种原因。以下将进行详细讲解，提供可能的解决方案。 首先，我们要认识到Kernel Panic是一个复杂功能 Mar 7, 2025 · Are you encountering the "Kernel Panic - Not Syncing: VFS: Unable to Mount Root FS" error? Check out this tutorial for an easy solution. 0-45-generic #45-Ubuntu Hardware name: Dell Inc. Will be very grateful for any advises. I have a laptop that came preinstalled with Ubuntu 14. exe to format my USB stick und put the ISO on it. May 18, 2025 · Kernel Panic是Linux操作系统中的一种紧急错误情况，当操作系统遇到无法正常处理的问题时，内核会决定这种“恐慌”状况，以保护系统不受进一步破坏。 在Ubuntu操作系统中，遭遇Kernel Panic问题可能有多种原因。 以下将进行详细讲解，提供可能的解决方案。 Jan 3, 2021 · Well kernel panic not sync, this message most probably telling that something is wrong with the kernel. I know it must be the kernel that my system is trying to boot into. The basic assumption is that the hardware and the software should perform correctly and a failure of an assertion results in a panic, i. Kernel panic can happen on a Compute Engine VM running RedHat, SUSE, CentOS, or Ubuntu. Please help how can I start my system without losing any data. Contabo is using Proxmox to serve up the VPS. Sep 2, 2022 · 0 My laptop goes directly into kernel panic at first startup every time I try to start it. May 22, 2025 · Learn how to simulate, diagnose, and fix Linux kernel panic errors with this hands-on guide written for beginners and enthusiasts. img が /boot に生成されておらず、GRUBはそれを使おうとして起動に失敗しました。 LiveUSB + chroo Another safe way to simulate a kernel panic is by using Linux’s built-in SysRq interface, or by triggering it manually using the crash kernel panic module, if available. In general, a kernel panic is a situation when the kernel is unable to load properly, and therefore the system fails to boot. 04, and i edited profile file with wrong directory(and reloaded the profile with source), after few seconds all the windows has started shutting down. 4 kernel the machine proceeds to boot and ask for the FDE password, and after entered it’s up and running. Oct 31, 2024 · I have a loaded server with information on it that I cannot lose, so I am hoping that someone can help me with a step-by-step guide on how to fix this. Feb 20, 2025 · Still having this issue, just doing an apt dist-upgrade or pkcon update gives the same result as it has for weeks. If you compiled your own kernel, this is usually because you specified the filesystem driver should be built as a module rather than a native part of the kernel; if you're using the distro's Nov 15, 2024 · I have a Contabo server running Ubuntu v22 currently hosting some docker containers that are vital. Long pressing the power button to shut it down and starting it up again, takes me to the grub menu where I have to select the second latest installed kernel, as the latest one seems broken. 24 Kernel sends me to a Kernel Panic screen ?? Is this just me or are there others with this problem ? Will the next kernel update cause me the same problem, and then the fallback kernel will be 6. 0. Aug 2, 2024 · I recently upgraded my Ubuntu version from 20. . 1. W11 21H2 build 20000. 04 LTS) whatever I try. However, by understanding the fundamental concepts, causes, and handling methods, as well as following common and best practices, you can minimize the impact of kernel panics and keep your Linux system running smoothly. May 7, 2025 · After reboot I see this in the virtual console for the default 5. Everything works fine. Since the kernel has at this point crashed, writing into the filesystem is a risky operation - not much of the kernel can be trusted anymore, so writes into logs might actually be spewing random crap over your bootloader! Instead, you can dump the contents of memory into your swap, and then debug it later The Unix kernel maintains internal consistency and runtime correctness with assertions as the fault detection mechanism. 0-24 and I’m in big trouble. I have a system with ubuntu 18. I checked the compatibility for my machine as May 6, 2022 · Re: End kernel panic not syncing attempted to kill idle ubuntu server on virtual box. 29. I heard the phrase "kernel panic" a lot. There are known (vmware) compatibility issues between versions of workstation and later linux kernals. If not, click here to continue. 5 LTS (Focal Fossa) May 14, 2020 · I am unable to boot from a Ubuntu Live USB stick (current version 20. 04, successfully. Sep 1, 2025 · In addition to parameters supported by the kernel, there are also Ubuntu Core-specific kernel boot parameters. As an aside, in the Ubuntu software centre there says theres an AMD By the end of this video, you'll have the knowledge and skills needed to overcome kernel panic issues and enjoy a seamless Ubuntu installation experience on VirtualBox. Jan 19, 2025 · How do i fix a kernel panic? with our 10 effective solutions for Ubuntu users to restore system stability and fix ubuntu boot issues. Any Idea how to fix this? I have tried to updat Jul 18, 2025 · I am back on my Desktop using the fallback kernel 6. 124 is the one with the problem 122 is the one that is working) kernel error: Jan 4, 2018 · VFS: unable to mount root fs on unknown-block(0 0) means the kernel was unable to mount the root filesystem. Jul 25, 2025 · I am getting a kernel panic: unable to mount root fs on unknown-block(0, 0) when booting into my ubuntu system with kernel version 6. Jan 1, 2020 · Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00 Ask Question Asked 5 years, 10 months ago Modified 5 years, 10 months ago Jul 5, 2025 · Select an older kernel version that you know worked before the upgrade (usually the previous version of Ubuntu). If you have learned anything about Linux, then you know it is indeed a kernel. I installed Ubuntu MATE 22. 04 to 22. Solution1. May 9, 2025 · After an Ubuntu distribution upgrade from 20. Jul 25, 2025 · After rebooting I get a (GRUB?) menu and choosing “Advanced Ubuntu Options” and I then get a boot selection. You should have been redirected. Jan 20, 2020 · More details about the 'partial' or what happened on the session before the panic would help. a voluntary halt to all system activity. Sep 15, 2023 · I got the following kernel panic error when I turned on my laptop this morning. Jun 10, 2022 · Hi, i don't know why my Ubuntu doesn't work. [5] The kernel panic was introduced in an early version of Unix and demonstrated a major Nov 2, 2018 · What is kernel Panic? In basic terms a kernel panic is a situation when kernel can’t load properly and fails to boot properly or crashes. 04 on my UEFI Bios PC in dual boot with Windows. Apr 25, 2018 · On Ubuntu 14. Jul 26, 2025 · 環境 OS：Ubuntu 22. Will leave here in case anyone else experiences. cmdline-append system. 04… I started getting a kernel panic message when I try to boot into Ubuntu. Try opening /etc/default/grub with a text editor as root and change GRUB_CMDLINE_LINUX_DEFAULT="splash quiet" to GRUB_CMDLINE_LINUX_DEFAULT="nosplash debug --verbose". but no matter what I select, it eventually ends in this error; end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) Does anyone know how to fix this? The computer that this is on is a Dell Inspiron 1545. 0-24-generic. enter image description here I tried all of them. If you have not already done so, you can log into Ubuntu Discourse using the same Ubuntu The kernel parameter that you're looking for is kernel. Caps lock blinking is a sign of kernel panic -- fatal crash of the Linux that runs Ubuntu. Troubleshoot this critical error in an operating system and recover without worries. Each code provides insights. Has anyone else had this issue? Using kernel 6. The boot stops right after the "disk check" completed successfully. 28’ System was running fine until I downloaded the latest update which included Kernel If it really is a kernel panic then it won't be written into a log via normal methods. 14. 2 (ubuntu-24. vmzbxekkllixrxdszizlpeneadjzipihxfmorvsgweehnblaswessrspbmqzrbscembuzrvv