[Bug 2037539] [NEW] unmount target will fail if an install was never started

[Launchpad Bug Tracker]

You have been subscribed to a private bug by Dan Bungert (dbungert):

Hello,

I was trying to reboot my PC using the Installer at the step of partitioning.
I have selected "Automatic Partitioning". Then, I have a message showing that I have a bitlocker partition that need to be disabled and the possibility to reboot my computer directly in the installer to do so.
After clicking "Reboot", I had an error "unknown error crashed with CalledProcessError".
And the computer does not restart, the installer is continuing like if I was installing Ubuntu at step of copying files on the disk.

Thank you,

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: subiquity (unknown)
ProcVersionSignature: Ubuntu 6.5.0-5.5-generic 6.5.0
Uname: Linux 6.5.0-5-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.27.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.482
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
Date: Wed Sep 27 12:34:26 2023
ExecutablePath: /snap/ubuntu-desktop-installer/1243/bin/subiquity/subiquity/cmd/server.py
InterpreterPath: /snap/ubuntu-desktop-installer/1243/usr/bin/python3.10
LiveMediaBuild: Ubuntu 23.10 "Mantic Minotaur" - Beta amd64 (20230919.1)
MachineType: LENOVO 20Y1CTO1WW
ProcAttrCurrent: snap.hostname-desktop-installer.subiquity-server (complain)
ProcCmdline: /snap/hostname-desktop-installer/1243/usr/bin/python3.10 -m subiquity.cmd.server --use-os-prober --storage-version=2 --postinst-hooks-dir=/snap/hostname-desktop-installer/1243/etc/subiquity/postinst.d
ProcEnviron:
 LANG=C.UTF-8
 LD_LIBRARY_PATH=<set>
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz layerfs-path=minimal.standard.live.squashfs --- quiet splash
Python3Details: /usr/bin/python3.11, Python 3.11.5, python3-minimal, 3.11.4-5
PythonDetails: N/A
SnapChannel:
 
SnapRevision: 1243
SnapUpdated: False
SnapVersion: 0+git.bf01a899
SourcePackage: subiquity
Title: unknown error crashed with CalledProcessError
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/01/2023
dmi.bios.release: 1.43
dmi.bios.vendor: LENOVO
dmi.bios.version: R1BET74W(1.43 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20Y1CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.43
dmi.modalias: dmi:bvnLENOVO:bvrR1BET74W(1.43):bd03/01/2023:br1.43:efr1.43:svnLENOVO:pn20Y1CTO1WW:pvrThinkPadP14sGen1:rvnLENOVO:rn20Y1CTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20Y1_BU_Think_FM_ThinkPadP14sGen1:
dmi.product.family: ThinkPad P14s Gen 1
dmi.product.name: 20Y1CTO1WW
dmi.product.sku: LENOVO_MT_20Y1_BU_Think_FM_ThinkPad P14s Gen 1
dmi.product.version: ThinkPad P14s Gen 1
dmi.sys.vendor: LENOVO

** Affects: subiquity
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug foundations-todo mantic need-duplicate-check ubuntu-desktop-installer
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unmount target will fail if an install was never started
https://bugs.launchpad.net/bugs/2037539
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