install failed with ValueError: zfsroot requires bootdisk with GPT

[Mike Ferreira]

Installer crashed after create partitions/ while entering personal information.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: subiquity (unknown)
ProcVersionSignature: Ubuntu 5.19.0-21.21-generic 5.19.7
Uname: Linux 5.19.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.24.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.477
CurtinAptConfig: /var/log/installer/subiquity-curtin-apt.conf
Date: Sun Dec 25 23:12:56 2022
ExecutablePath: /snap/ubuntu-desktop-installer/712/bin/subiquity/subiquity/cmd/server.py
InterpreterPath: /snap/ubuntu-desktop-installer/712/usr/bin/python3.8
LiveMediaBuild: Ubuntu 23.04 "Lunar Lobster" - Alpha amd64 (20221225)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
 /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/15p, 5000M
 /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/15p, 480M
     |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 480M
MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
ProcAttrCurrent: snap.hostname-desktop-installer.subiquity-server (complain)
ProcCmdline: /snap/hostname-desktop-installer/712/usr/bin/python3.8 -m subiquity.cmd.server --use-os-prober --storage-version=2 --postinst-hooks-dir=/snap/hostname-desktop-installer/712/etc/subiquity/postinst.d --autoinstall=
ProcEnviron:
 LANG=C.UTF-8
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz layerfs-path=minimal.standard.live.squashfs maybe-ubiquity --- quiet splash
Python3Details: /usr/bin/python3.10, Python 3.10.9, python3-minimal, 3.10.6-1ubuntu1
PythonDetails: N/A
SnapChannel:

SnapRevision: 712
SnapUpdated: False
SnapVersion: 0+git.518d1ff6
SourcePackage: subiquity
Title: install failed crashed with CalledProcessError
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/06/2015
dmi.bios.release: 0.0
dmi.bios.vendor: EFI Development Kit II / OVMF
dmi.bios.version: 0.0.0
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-q35-6.2
dmi.modalias: dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:br0.0:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-6.2:cvnQEMU:ct1:cvrpc-q35-6.2:sku:
dmi.product.name: Standard PC (Q35 + ICH9, 2009)
dmi.product.version: pc-q35-6.2
dmi.sys.vendor: QEMU

[Mike Ferreira (mafoelffen)]

This specific bug has to do with choosing ZFS-Root filesystem as an option... When you select that as on option... as soon as you press "Continue" on the Personal Data panel, when it gets to the installation the status is: "Installation Failure."

[Mike Ferreira (mafoelffen)]

This Machine host is i9-10900 KVM Host with 64GB RAM, 9TB disk free.
Guest is KVM/QEMU x86_amd64, CPU passthrough, 4 vcpu, 18000MB RAM, 30GB disk
Test case: UEFI, Full Install, Other (user set partitions)- With ZFS Root filesystem (see attached screenshot for layout), network. Secureboot disabled.