[Bug 1876615] [NEW] Ubuntu installer crashed 3/4 through initial steps

[Ronin]

Public bug reported:

Ubuntu Focal setup on USB, booted to "try Ubuntu" in safe video mode (regular mode would boot, but then the screen went blank). 
Clicked "install Ubuntu", went through initial steps incl. timezone and installer crashed. No specific error message.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.445
Date: Sun May  3 15:24:51 2020
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash nomodeset ---
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug focal ubiquity-20.04.15 ubuntu

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https://bugs.launchpad.net/bugs/1876615

Title:
  Ubuntu installer crashed 3/4 through initial steps

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubuntu Focal setup on USB, booted to "try Ubuntu" in safe video mode (regular mode would boot, but then the screen went blank). 
  Clicked "install Ubuntu", went through initial steps incl. timezone and installer crashed. No specific error message.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445
  Date: Sun May  3 15:24:51 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash nomodeset ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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