[Bug 1872568] [NEW] Ubiquity fails to continue, stuck in loop

[Christopher Crews]

Public bug reported:

Ubiquity gets stuck in never ending loop when selecting which disk to
install to.

Page: Installation Type
- Selected "Erase disk and install Ubuntu"
- Advanced features > ZFS
- Clicked Continue
Page: Erase disk and install Ubuntu
- Select Drive: options [/dev/nvme0n1,/dev/nvme1n1,sda]
  - selected /dev/nvme0n1
- Clicked Install Now

Ubiquity just returns to the "Installation Type" page and doesn't
install

I DO NOT get any error message or dialog box saying that something has
went wrong, it just loops continuously.

I had this exact same problem with ZFS on 19.10 and filled a bug then as well, here
is the link: https://bugs.launchpad.net/bugs/1851411
which was marked a duplicate of https://bugs.launchpad.net/bugs/1853864 but that bug was fixed, so it's obviously not a duplicate.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.9 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CasperVersion: 1.442
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 14 01:15:49 2020
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed quiet splash ---
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug focal ubiquity-20.04.9 ubuntu

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https://bugs.launchpad.net/bugs/1872568

Title:
  Ubiquity fails to continue, stuck in loop

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubiquity gets stuck in never ending loop when selecting which disk to
  install to.

  Page: Installation Type
  - Selected "Erase disk and install Ubuntu"
  - Advanced features > ZFS
  - Clicked Continue
  Page: Erase disk and install Ubuntu
  - Select Drive: options [/dev/nvme0n1,/dev/nvme1n1,sda]
    - selected /dev/nvme0n1
  - Clicked Install Now

  Ubiquity just returns to the "Installation Type" page and doesn't
  install

  I DO NOT get any error message or dialog box saying that something has
  went wrong, it just loops continuously.

  I had this exact same problem with ZFS on 19.10 and filled a bug then as well, here
  is the link: https://bugs.launchpad.net/bugs/1851411
  which was marked a duplicate of https://bugs.launchpad.net/bugs/1853864 but that bug was fixed, so it's obviously not a duplicate.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.9 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu22
  Architecture: amd64
  CasperVersion: 1.442
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Apr 14 01:15:49 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed quiet splash ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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