[Bug 1942774] [NEW] No fallback English layout on "Who are you?" screen during installation

[Akbarkhon Variskhanov]

Public bug reported:

Impish Indri daily

Steps to reproduce:
1) Choose any language with a character set outside of ISO 8859-1. In my case, Russian
2) Proceed with installation. Arrive at "Who are you?" screen
3) Type in your name in Russian layout
    - The "Your username" field is not filled automatically
5) Try typing a username you wish to use
    - It cannot recognize the characters and won't let you continue.
    - It will thus complain that usernames should begin with lowercase letters

No matter if the letters are lower or upper case, it simply cannot
recognize them.

User is forced to manually add English or a similar layout that has
Latin characters.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: ubiquity 21.10.5
ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
Uname: Linux 5.13.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu68
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.465
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep  6 17:37:52 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210905)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ru_RU.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 impish ubiquity-21.10.5 ubuntu

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https://bugs.launchpad.net/bugs/1942774

Title:
  No fallback English layout on "Who are you?" screen during
  installation

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Impish Indri daily

  Steps to reproduce:
  1) Choose any language with a character set outside of ISO 8859-1. In my case, Russian
  2) Proceed with installation. Arrive at "Who are you?" screen
  3) Type in your name in Russian layout
      - The "Your username" field is not filled automatically
  5) Try typing a username you wish to use
      - It cannot recognize the characters and won't let you continue.
      - It will thus complain that usernames should begin with lowercase letters

  No matter if the letters are lower or upper case, it simply cannot
  recognize them.

  User is forced to manually add English or a similar layout that has
  Latin characters.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: ubiquity 21.10.5
  ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
  Uname: Linux 5.13.0-14-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu68
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.465
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Sep  6 17:37:52 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210905)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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