[Bug 1921967] [NEW] Hirsute installer does not mount bpool and does not create user datasets under rpool/USERDATA

[Thomas Boerner]

Public bug reported:

I *think* it is ubiquity that causes the error.
What happens? Actually its two bugs I think:

After a standard installation of hirsute (ISO downloaded 2021-03-30)
with ZFS with encryption the bpool is not "mounted". After reboot
/boot/efi is empty so update-grub cannot install new configs and
kernels. From that point of view the system is unusable although it is
running apparently normally, even booting normally.

Second bug: there are no user datasets under rpool/USERDATA, not for
root and not for the first user created during installation.
rpool/USERDATA is empty.

I tried this many times, on real hardware and on virtual machines, always exactly the same outcome.
This report here is taken directly after the installation when beeing asked "Continue testing - Restart now", not clicking any of these.

ubuntu at ubuntu:~$ lsb_release -rd
Description:	Ubuntu Hirsute Hippo (development branch)
Release:	21.04

ubuntu at ubuntu:~$ apt-cache policy ubiquity
ubiquity:
  Installed: 21.04.12
  Candidate: 21.04.12
  Version table:
 *** 21.04.12 500
        500 http://archive.ubuntu.com/ubuntu hirsute/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubiquity 21.04.12
ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
Uname: Linux 5.11.0-11-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu61
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.461
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 31 01:48:30 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210329)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
RebootRequiredPkgs:
 linux-image-5.11.0-11-generic
 linux-base
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug hirsute ubiquity-21.04.12 ubuntu

** Attachment added: "/var/log/syslog from installation"
   https://bugs.launchpad.net/bugs/1921967/+attachment/5482466/+files/syslog

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https://bugs.launchpad.net/bugs/1921967

Title:
  Hirsute installer does not mount bpool and does not create user
  datasets under rpool/USERDATA

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I *think* it is ubiquity that causes the error.
  What happens? Actually its two bugs I think:

  After a standard installation of hirsute (ISO downloaded 2021-03-30)
  with ZFS with encryption the bpool is not "mounted". After reboot
  /boot/efi is empty so update-grub cannot install new configs and
  kernels. From that point of view the system is unusable although it is
  running apparently normally, even booting normally.

  Second bug: there are no user datasets under rpool/USERDATA, not for
  root and not for the first user created during installation.
  rpool/USERDATA is empty.

  I tried this many times, on real hardware and on virtual machines, always exactly the same outcome.
  This report here is taken directly after the installation when beeing asked "Continue testing - Restart now", not clicking any of these.

  ubuntu at ubuntu:~$ lsb_release -rd
  Description:	Ubuntu Hirsute Hippo (development branch)
  Release:	21.04

  ubuntu at ubuntu:~$ apt-cache policy ubiquity
  ubiquity:
    Installed: 21.04.12
    Candidate: 21.04.12
    Version table:
   *** 21.04.12 500
          500 http://archive.ubuntu.com/ubuntu hirsute/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubiquity 21.04.12
  ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
  Uname: Linux 5.11.0-11-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu61
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Mar 31 01:48:30 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210329)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  RebootRequiredPkgs:
   linux-image-5.11.0-11-generic
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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