[Bug 2051478] Re: unlock passphrase doesn't work in plymouth but works in recovery mode

[Nobuto Murata]

https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/243

** Bug watch added: gitlab.freedesktop.org/plymouth/plymouth/-/issues #243
   https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/243

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https://bugs.launchpad.net/bugs/2051478

Title:
  unlock passphrase doesn't work in plymouth but works in recovery mode

Status in cryptsetup package in Ubuntu:
  Invalid
Status in plymouth package in Ubuntu:
  New

Bug description:
  The system suddenly stopped accepting the existing passphrase on boot.
  However, the passphrase is definitely correct since the same one can
  be used in the recovery mode and it unlocks the volume appropriately.

  More precisely, it looks like devices that inject characters pretty
  quickly (e.g. Yubikey to type pre-created random strings with
  length=32) are necessary to trigger the issue.

  WORKAROUND:
  1. boot into the recovery mode
  2. unlock the volume in the console
  3. remove "splash" from /etc/default/grub and run `update-grub`
  3. reboot

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: cryptsetup 2:2.6.1-6ubuntu1
  ProcVersionSignature: Ubuntu 6.6.0-14.14-generic 6.6.3
  Uname: Linux 6.6.0-14-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.27.0-0ubuntu6
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jan 29 15:41:03 2024
  InstallationDate: Installed on 2024-01-08 (21 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Daily amd64 (20240104)
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: cryptsetup
  UpgradeStatus: No upgrade log present (probably fresh install)
  cmdline: BOOT_IMAGE=/vmlinuz-6.6.0-14-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash
  crypttab: dm_crypt-0 UUID=cfd8c295-9988-4934-a91a-460a9d16d80f none luks

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