install of 23.04 failed without uefi partition

[jason neil john camm]

I tried a something else install of Ubuntu 23.04 legacy amd64 without a UEFI partition and it crashed.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: ubiquity 23.04.8
ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6
Uname: Linux 6.2.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.480
CurrentDesktop: ubuntu:GNOME
Date: Thu May 11 12:22:06 2023
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed only-ubiquity oem-config/enable=true quiet splash ---
LiveMediaBuild: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230417)
ProcEnviron:
 LANG=en_AU.UTF-8
 LANGUAGE=en_AU.UTF-8
 LC_NUMERIC=C.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)