[Bug 1960974] [NEW] Ubiquity 22.04.4 - ZFS Encrypted disk drops in busybox shell with permission denied error

[Alan Baghumian]

Public bug reported:

1) Booted Ubuntu Jammy Desktop ISO made using UNetbootin
2) Started installer
3) Picked Erase Disk + ZFS + Encryption
4) Installation completed successfully and the machine reboots
5) After asking decryption password, the system drops in a busybox shell, with permission denied error:

# mount -o zfsutil -t zfs rpool/ROOT/ubuntu_gfrn4m /root//
Filesystem can not be mounted: Permission denied

Running the above command manually results the same "Permission denied"
error.

zpool status shows ZFS pool being online. zfs list shows all the
datasets being mounted inside initramfs.

Attaching screen shots.

Effected device: Dell Latitude E7450 - 256GB SATA SSD - 8GB RAM

Please let me know if there are any questions.

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "Mount Error Screenshot"
   https://bugs.launchpad.net/bugs/1960974/+attachment/5561118/+files/PXL_20220216_001945795.jpg

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https://bugs.launchpad.net/bugs/1960974

Title:
  Ubiquity 22.04.4 - ZFS Encrypted disk drops in busybox shell with
  permission denied error

Status in ubiquity package in Ubuntu:
  New

Bug description:
  1) Booted Ubuntu Jammy Desktop ISO made using UNetbootin
  2) Started installer
  3) Picked Erase Disk + ZFS + Encryption
  4) Installation completed successfully and the machine reboots
  5) After asking decryption password, the system drops in a busybox shell, with permission denied error:

  # mount -o zfsutil -t zfs rpool/ROOT/ubuntu_gfrn4m /root//
  Filesystem can not be mounted: Permission denied

  Running the above command manually results the same "Permission
  denied" error.

  zpool status shows ZFS pool being online. zfs list shows all the
  datasets being mounted inside initramfs.

  Attaching screen shots.

  Effected device: Dell Latitude E7450 - 256GB SATA SSD - 8GB RAM

  Please let me know if there are any questions.

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