Questions tagged [initramfs]

Initramfs (Initial RAM File System) is a way of providing the Linux kernel with the drivers and other tools needed to mount the real root filesystem at boot time. Use this tag if your question relates to using and controlling initramfs.

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File system readonly in ubuntu 20.04

I upgraded to ubuntu desktop 20.04 about two weeks ago. Since then, my filesystem keeps on getting into a readonly state, sometimes while I'm in the middle of working with the system and I often see ...
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R-Pi3b+ diskless PXE boot results in initramfs prompt on diskless device after downloading TLXOS [closed]

I am trying to set up two Raspi 3B+ with a diskless boot option. Our setup is as follows: A 3B+ setup with TLXOS as a PXE server, SD card installed - followed the instructions In the forum. An ...
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Ubuntu 18.04 on vCenter, stuck booting to initramfs after using GNU Parted 3.2

I was trying to grow the partition on my Ubuntu 18.04 server and after playing around with parted and growpart (then rebooting) i am now stuck booting into the initramfs shell. This is screenshot of ...
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Bcache seems to need update-initramfs

I'm setting up bcache on ubuntu 20.04. Booting from install CD, I created a bcache dirve by: #modprobe bcache #make-bcache -B /dev/mapper-vgubuntu-root #make-bcache -C /dev/sdb Just after that #...
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Error while installing Ubuntu Server 20.04 (Initramfs unpacking failed: no cpio magic)

I am brand new to Linux so I have no clue what any of the error message means in the slightest. The message I am getting is: [0.424931] Initramfs unpacking failed: no cpio magic [0.984686] Failed to ...
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21 views

Ubunut 16.04 initramfs error when reboot

I was rebooting the PC without doing any modification or installing any package, but the boot end with initramfs screen, I have tried all the method like running fsck from the intiramfs terminal, but ...
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69 views

My Ubuntu is not starting anymore, end on on BusyBox / initramfs

Here is what I see Here are the error messages in details Here is the proof that sda or sdb are not listed My Ubuntu version is Ubuntu Desktop 18.04.4. This is the first time I am posting something a ...
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39 views

zswap can never find required modules on boot

I've had no trouble with Ubuntu 16.04 or 18.04, but I have recently span up a 20.04 VM and I cannot get it to set the correct Zswap parameters at boot. It would appear that it cannot find the required ...
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22 views

What happened to the initrd.img* and vmlinuz files in filesystem.squashfs on server install

I'm trying to install Ubuntu from an .iso by manually executing commands in Busybox and entering a chroot after mounting the installer filesystem.squashfs and updating initramfs / grub to make the ...
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100 views

Facing problems post upgrade from 19.04 to 20.04

I just upgraded my ubuntu from 19.04 to 19.10 a few days ago and ever since i have faced an issue with booting. When i boot up, the grub would default boot into the new kernel image(of 19.10) and ...
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ubuntu installation error and showing cracking graphics

I'm new in Linux and have faced a problem for the last 5 days that's why I'm writing here. When I'm trying to install Ubuntu on my PC its showing error like this I saw the Grub menu but don't see ...
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105 views

Boot drops into BusyBox/initramfs on Ubuntu 16.04.06 LTS

I'm extremely new to the Ubuntu community and I wanted to revive an old PC to have it connected to my TV for movies and such! I installed Ubuntu on a USB stick so I can then boot into Ubuntu to see ...
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1answer
52 views

missing '/usr/share/plymouth/themes/details': No such file or directory when upgrading packages

I on Ubuntu 19.10 with kernel version 5.46(latest i guess) using KDE plasma 5.18 DE. I get the error cp: cannot stat '/usr/share/plymouth/themes/details': No such file or directory when running apt ...
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Booting problem in Ubuntu.18.04lts

Yesterday ,i normally shutdown my laptop. But,when I switch on my laptop ,there was a problem on booting. It is showing that UNEXPECTED INCONSISTENCY , /dev/sda3 run fsck manually.what will be the ...
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1answer
129 views

Problem with initramfs

I'm trying to reinstall something on my new kernel of Ubuntu 16.04 system. And I accidentally tried the command: sudo update initramfs -u Since then, my computer could not boot correctly anymore. ...
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Kernel panic on boot, can't update from older version

I turned by device off, turned it back on later and a kernel panic error was shown. I booted from an older kernel version (recovery mode for the newest version also did not work) and tried running apt-...
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Initramfs error. Dell XPS 13 9360 running Ubuntu 16.04

I recently returned from a trip after five months. I booted up the computer and when Ubuntu tried to load it dropped me to a Busybox CLI with an initramfs error. I found some tutorials online that ...
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2answers
129 views

cannot boot to built-in solid state drive

For two weeks, I have been running sucessfully Ubuntu 19.10 on a newly acquired Dell XPS 13 7390 laptop with a built-in 512 GB M.2 PCIe NVMe solid state drive. Ubuntu 18.04 was preinstalled by Dell, ...
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Ubuntu server boot issue, initramfs prompt

Completely new to ubuntu and Open VPN. A Client of mine has had this same setup for years and found this morning the server is booted and sitting at a prompt for (initramfs). After rebooting the ...
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unable to boot to live usb , initramfs unable to find a medium containing a live file system

this all started when I had windows 10 installed and with unetbootin I tried to get ubuntu 18.04 LTS since I hated windows and when I booted into it I forgot I had it on the hard drive since I had a ...
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1answer
440 views

updating kernel failed and initramfs errors [closed]

sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not ...
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25 views

Gave up waiting for root device after migrate to UEFI PC

I have a hard drive with Ubuntu 14.04 from my old PC (none UEFI), and when i plug it in my new UEFI PC (SATA3), it fails to mount root / with error: Gave up waiting for root device, and shows ...
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After format, unknown filesystem on boot, bootable usb cannot mount /dev/loop0 goes to initramfs

So I have really managed to mess things up. I have Ubuntu 19.10 on a 2018 Lenovo Ideapad 520-15IKB. The SSD drive had been encrypted when I installed Ubuntu from scratch. Yesterday I tried to create ...
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update-initramfs - amd64-microcode: failed to create or prepend the early initramfs to the initramfs

Ubuntu 18.04 on boot shows the following error: Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Followed the instructions from here and chose older Kernel from the ...
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198 views

initramfs, what is it and why am I getting this message

I am new to linux and having trouble getting my head around all of it, so please bear with me. I am getting this message every time I use: sudo apt-get upgrade It's a fresh install of Ubuntu which ...
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35 views

Self-compiled kernel doesn't start (fails to find /dev/mapper root volume)

I have Ubuntu system (19.10) with default kernel, everything works fine, but sometimes the system slows down. So I decided to comile my own kernel (like I do on my laptop with debian). I copied ...
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95 views

Automatically unlocking an encrypted volume with a keyfile embedded in the initramfs

I am following the documentation here: https://help.ubuntu.com/community/Full_Disk_Encryption_Howto_2019 However, since none of my root devices are connected, I had to modify the existing hook to ...
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Dell Latitude 5491 hangs on restart at initramfs after latest update to 19.10

I have a Dell Latitude 5491 running 19.10 which hangs at the initramfs subsequent to the capsule firmware update which was released on 26 Feb 2020. If I boot from USB I can access the drive (...
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846 views

How do I fix initramfs not finding root?

I recently had a bad installed of Ubuntu 19.10 (and consecutive clean installs yield the same effect). I can boot to GRUB with no issue, but from there I only get a purple screen when trying to boot ...
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29 views

(initramfs) - cursor cannot proceed

BusyBox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) _ Please assist . I am not a developer, I only use ubuntu
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1answer
904 views

Ubuntu equivalent of mkinitcpio.conf

I have a sh script that should be executed during system boot, as I understand before graphic driver modules are loaded. Probably this is not relevant for the answer, but this script serves for PCI ...
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1answer
112 views

Problem with update-initramfs and cryptsetup

I am trying to update my initramfs but I get this error: cryptsetup: WARNING: could not determine root device from /etc/fstab I am not really sure why this is happening because this is my fstab: ...
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1answer
50 views

Ubuntu - encrypted root, logistics

I am attempting to boot Ubuntu on a LUKS encrypted device - In a prior life, I specified the UUID as a kernel cmdline option and then the initramfs opened up that device with the credentials I ...
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2answers
866 views

Error 24 : Write error : cannot write compressed block

I recently updated from Ubuntu 18.04 to 19.10. It looks to me as if the update installed an older kernel (5.3.0-29) than the one I had running under 18.04 (5.0.0-36). Since then I've had errors on all ...
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1answer
377 views

update-initramfs stuck after upgrade because of LVM

After upgrading Ubuntu trusty (i386) to xenial (but BEFORE reboot), the update-initramfs operation hangs because of LVM : $ sudo apt install E: dpkg was interrupted, you must manually run 'sudo dpkg ...
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172 views

“cryptsetup: Source Mismatch” error while building initramfs in chroot installation

As of late I have discovered that the mounting of veracrypt volumes is supported natively by cryptsetup and systemd. Since I seek a dual-boot fully-encrypted installation where all partitions are ...
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37 views

Ubunutu 16.04 stop booting with busybox error

I have Ubuntu 16.04 PC with some application running and connected to internet at remote location, and few days before internet goes offline and pc goes offline. And when I reboot the PC goat ...
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120 views

error while running update-initramfs

i get this error by running: "sudo update-initramfs -u" update-initramfs: Generating /boot/initrd.img-5.0.0-37-generic W: Possible missing firmware /lib/firmware/i915/icl_dmc_ver1_07.bin for module ...
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116 views

I messed up something with the initramfs configuration and now I can't get the cryptsetup unlock prompt on boot

I've been trying to setup Ubuntu server (current attempt with 18.04.3) to receive LUKS passphrase from dropbear, I was mostly successful, but then I tried a few things to get the passphrase from ...
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66 views

Ubuntu 19.10 ZFS Rootfs Default Mountpoints Needed to Escape Initramfs

As part of me recovering from an unbootable system (Ubuntu 19.10 Drops Into Grub2 Command Line After update-grub On ZFS Rootfs), I was finally able to get to the grub menu, but then I got dropped into ...
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105 views

Initramfs and Entering GRUB rescue mode occurring multiple times

I am on an HP laptop(don't remember the model name exactly), running on core i3, with 8 GB RAM(DDR4), and a 2GB RADEON graphics card. I have Ubuntu 16.04 LTS installed, with 3 partitions in the 1 TB ...
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1answer
245 views

Stuck at Busybox [duplicate]

I have a big problem and I can't fix it So i was installing windows and removed the partition from there and got an error that i can't use this hard drive so i restarted my computer and got this error ...
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23 views

FirmwareTestSuiteLive : How I can run the live image from ram?

On this official page, the image can be run from USB. But my requirement is that the image can be run from RAM after copied from USB. And I know the way to boot the Live USB to RAM for Ubuntu 16.04 ...
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I am unable to boot into my system which is showing an initramfs error

I am unable to boot into my system. It is showing an initramfs error Volume group "ubuntu-vg" not found.
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45 views

How to start ubuntu16.04 with initramfs?

I want to start ubuntu16.04 by initramfs mount rootfs, but it didn't work. I tried to generate initramfs in the terminal using mkinitramfs command (mkinitramfs -o initrd.gz) after system startup, then ...
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104 views

How can I solve ACPI error?

I found this error on startup and I have also searched for the solutions but those are not specific.
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44 views

How to override crypttab options in grub kernel paramter?

My crypttab has some problem so I cannot unlock my root now. I do not want to boot into live DVD then do the chroot stuff. Too much steps in there. I want simple override the entry and unlock my root. ...
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10k views

Upgraded to Ubuntu 19.10, cannot boot anymore, boot repair log attached

I updated my Ubuntu to 19.10 and now my system boots only to BusyBox/initramfs command line. I have my root and also boot partition encrypted, and I guess some entries to mount these partitions got ...
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1answer
79 views

Installing lvm on luks by “something else”

I never succeeded installing Ubuntu by choosing something else option. Because I want to change some stuff than the default ones. e.g. partition size, file system to btrfs, not making swap partition, ...
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60 views

Please help find the right code to boot my laptop because it is frozen

I got a black blank screen that says: BusyBox v1.21.1 (Ubuntu 1:1.21.0–1ubuntu1) built–in shell (ash) Enter 'help' for a list of built–in commands. (initramfs) Please help my laptop has been like ...

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