Public bug reported:
On Ubuntu 25.10, when I try to install Ubuntu using ubiquity, the
installer crashes. The journalctl reports the following errors:
Oct 30 19:38:02 ubuntu plugininstall.py[12279]: log-output -t ubiquity umount
/target/cdrom
Oct 30 19:38:12 ubuntu plugininstall.py[12279]: File
"/usr/share/ubiquity/plugininstall.py", line 1869, in <module>
Oct 30 19:38:12 ubuntu plugininstall.py[12279]: File
"/usr/share/ubiquity/plugininstall.py", line 62, in wrapper
Oct 30 19:38:12 ubuntu plugininstall.py[12279]: File
"/usr/share/ubiquity/plugininstall.py", line 192, in run
Oct 30 19:38:12 ubuntu plugininstall.py[12279]: File
"/usr/share/ubiquity/plugininstall.py", line 506, in configure_plugins
Oct 30 19:38:12 ubuntu plugininstall.py[12279]: File
"/usr/share/ubiquity/plugininstall.py", line 482, in run_plugin
Oct 30 19:38:12 ubuntu plugininstall.py[12279]:
ubiquity.install_misc.InstallStepError: Plugin usersetup failed with code 2
Full journalctl has been attached
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: ubiquity 25.10.4
ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
Uname: Linux 6.17.0-5-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 25.10.2
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 30 19:42:08 2025
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz --- quiet splash
LiveMediaBuild: Ubuntu 25.10 "Questing Quokka" - Release amd64 (20251007)
ProcEnviron:
LANG=C.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug questing ubiquity-25.10.4 wayland-session
** Attachment added: "Full journalctl of the live ISO when ubiquity crashed."
https://bugs.launchpad.net/bugs/2130341/+attachment/5922492/+files/journalctl.txt
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https://bugs.launchpad.net/bugs/2130341
Title:
Ubiquity crashes when trying to install Ubuntu 25.10
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