[Bug 2070066] Re: dracut does not support booting from an encrypted ZFS volume

[Benjamin Drung]

I tried 103-1ubuntu2 with the patch from https://github.com/dracut-
ng/dracut-ng/pull/529 and the result is the same.

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https://bugs.launchpad.net/bugs/2070066

Title:
  dracut does not support booting from an encrypted ZFS volume

Status in dracut package in Ubuntu:
  Triaged
Status in zfs-linux package in Ubuntu:
  Confirmed

Bug description:
  Dracut does not support booting from an encrypted ZFS volume. Steps to
  reproduce:

  1. In a VM install Ubuntu 24.10 with an encrypted ZFS volume
  2. Install dracut afterwards: sudo apt install dracut zfs-dracut
  3. Add rd.shell to the boot arguments
  4. Reboot

  The boot will fail:

  ```
  dracut-pre-mount[817]: Warning: ZFS: Key /run/keystore/rpool/system.key for rpool hasn't appeared. Trying anyway.
  dracut-pre-mount[863]: Key load error: Failed to open key material file: No such file or directory
  [FAILED] Failed to mount sysroot.mount - /sysroot.
  ```

  The initrd should have asked for the password, but it did not.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.10
  Package: dracut-core 102-3ubuntu2
  ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
  Uname: Linux 6.8.0-31-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.28.1-0ubuntu4
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jun 21 09:35:42 2024
  InstallationDate: Installed on 2024-06-20 (1 days ago)
  InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Daily amd64 (20240617)
  ProcEnviron:
   LANG=de_DE.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: dracut
  UpgradeStatus: No upgrade log present (probably fresh install)

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