[Bug 2007743] Re: intramfs Failed: ZSTD-compressed data

[Julian Andres Klode]

An updated grub is available for testing in 22.10 (and other versions
once everything has been published and builds retriggered) in the PPA:

ppa:ubuntu-uefi-team/ubuntu/ppa

This is not trusted by the default Ubuntu key!

To test, you need to import the PPA signing key

https://ppa.launchpadcontent.net/ubuntu-uefi-
team/ppa/ubuntu/dists/kinetic/main/uefi/grub2-amd64/current/control/uefi.crt

You can convert it to DER format by running

openssl x509 -in uefi.crt -out uefi.der -outform der

and then importing it into the MOK using

mokutil --import uefi.der

Please make sure to only update grub-efi-amd64-signed and related
packages from the PPA and not newer shims or similar changes, and remove
the PPA immediately after, then remove the key after a new update has
been published in the main archive.

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https://bugs.launchpad.net/bugs/2007743

Title:
  intramfs Failed: ZSTD-compressed data

Status in grub2-unsigned package in Ubuntu:
  Triaged

Bug description:
  The current updates of Ubuntu 22.04.2 LTS results on boot (black
  screen) the message "not enough memory, press any key" and after comes
  any others "error messages" too and then Ubuntu starts!

  Maybe this Bug results from the current AMD Kernel Updates on "modern"
  Prozessors or Update for the Grub or something - i'don't know - there
  are many System-Updates yesterday and all comes over Ubuntu Store as
  package

  # lsb_release -rd
  Description:	Ubuntu 22.04.2 LTS
  Release:	22.04

  # dpkg -l | grep init
  ii  busybox-initramfs                          1:1.30.1-7ubuntu3                        amd64        Standalone shell setup for initramfs
  ii  gnome-initial-setup                        42.0.1-1ubuntu2.3                        amd64        Initial GNOME system setup helper
  ii  init                                       1.62                                     amd64        metapackage ensuring an init system is installed
  ii  init-system-helpers                        1.62                                     all          helper tools for all init systems
  ii  initramfs-tools                            0.140ubuntu13.1                          all          generic modular initramfs generator (automation)
  ii  initramfs-tools-bin                        0.140ubuntu13.1                          amd64        binaries used by initramfs-tools
  ii  initramfs-tools-core                       0.140ubuntu13.1                          all          generic modular initramfs generator (core tools)
  ii  libatopology2:amd64                        1.2.6.1-1ubuntu1                         amd64        shared library for handling ALSA topology definitions
  ii  libklibc:amd64                             2.0.10-4                                 amd64        minimal libc subset for use with initramfs
  ii  lsb-base                                   11.1.0ubuntu4                            all          Linux Standard Base init script functionality
  ii  ncurses-base                               6.3-2                                    all          basic terminal type definitions
  ii  sysvinit-utils                             3.01-1ubuntu1                            amd64        System-V-like utilities
  ii  xinit                                      1.4.1-0ubuntu4                           amd64        X server initialisation tool

  # dpkg -l | grep zfs
  -> brings no information here

  # zfs list
  -> zfs is not installed here

  if you need more system-infos to solve this Bug, please let me know!
  The first error means "Not Enough Memory, Please press any key" - you can press any key (but you don't need) and it comes the "intramfs Failed: ZSTD-compressed data ..." and then the Ubuntu Login screen comes up.

  Please be patient with me, I'm new to Ubuntu and Launchpad and don't
  know much about it yet

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