Thank you for the report! Reproduced the issue today with extra logging enabled.
"Call to Reboot failed: Access denied" 2025-03-19 10:04:23,950 DEBUG root:38 start: subiquity/Shutdown/shutdown: mode=REBOOT 2025-03-19 10:04:23,950 DEBUG subiquitycore.utils:179 astart_command called: ['systemd-run', '--wait', '--same-dir', '--property', 'SyslogIdentifier=subiquity_log.4813', '--setenv', 'PATH=/snap/ubuntu-desktop-bootstrap/328/bin/subiquity/bin:/snap/u buntu-desktop-bootstrap/328/bin/subiquity/usr/bin:/snap/ubuntu-desktop-bootstrap/328/bin:/snap/ubuntu-desktop-bootstrap/328/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', '--setenv', 'PYTHO NPATH=/snap/ubuntu-desktop-bootstrap/328/lib/python3.12/site-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/dist-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/site-packages:', '--setenv', 'PYTHON=/snap/ubuntu-desktop-boot strap/328/usr/bin/python3.12', '--setenv', 'SNAP=/snap/ubuntu-desktop-bootstrap/328', '--', 'mountpoint', '/target'] 2025-03-19 10:04:23,974 DEBUG subiquitycore.utils:179 astart_command called: ['systemd-run', '--wait', '--same-dir', '--property', 'SyslogIdentifier=subiquity_log.4813', '--setenv', 'PATH=/snap/ubuntu-desktop-bootstrap/328/bin/subiquity/bin:/snap/u buntu-desktop-bootstrap/328/bin/subiquity/usr/bin:/snap/ubuntu-desktop-bootstrap/328/bin:/snap/ubuntu-desktop-bootstrap/328/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', '--setenv', 'PYTHO NPATH=/snap/ubuntu-desktop-bootstrap/328/lib/python3.12/site-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/dist-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/site-packages:', '--setenv', 'PYTHON=/snap/ubuntu-desktop-boot strap/328/usr/bin/python3.12', '--setenv', 'SNAP=/snap/ubuntu-desktop-bootstrap/328', '--', 'umount', '--recursive', '/target'] 2025-03-19 10:04:24,454 DEBUG subiquitycore.utils:179 astart_command called: ['systemd-run', '--wait', '--same-dir', '--property', 'SyslogIdentifier=subiquity_log.4813', '--setenv', 'PATH=/snap/ubuntu-desktop-bootstrap/328/bin/subiquity/bin:/snap/u buntu-desktop-bootstrap/328/bin/subiquity/usr/bin:/snap/ubuntu-desktop-bootstrap/328/bin:/snap/ubuntu-desktop-bootstrap/328/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', '--setenv', 'PYTHO NPATH=/snap/ubuntu-desktop-bootstrap/328/lib/python3.12/site-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/dist-packages:/snap/ubuntu-desktop-bootstrap/328/usr/lib/python3/site-packages:', '--setenv', 'PYTHON=/snap/ubuntu-desktop-boot strap/328/usr/bin/python3.12', '--setenv', 'SNAP=/snap/ubuntu-desktop-bootstrap/328', '--', 'zpool', 'export', '-a'] 2025-03-19 10:04:24,479 DEBUG subiquitycore.utils:101 run_command called: ['/sbin/reboot'] 2025-03-19 10:04:24,484 DEBUG subiquitycore.utils:120 run_command ['/sbin/reboot'] exited with code 1 2025-03-19 10:04:24,484 DEBUG subiquitycore.utils:122 stdout: 2025-03-19 10:04:24,484 DEBUG subiquitycore.utils:123 stderr: Call to Reboot failed: Access denied 2025-03-19 10:04:24,484 DEBUG root:38 finish: subiquity/Shutdown/shutdown: SUCCESS: mode=REBOOT 2025-03-19 10:04:24,484 DEBUG root:38 finish: subiquity/Shutdown/POST: SUCCESS: 200 null ** Changed in: subiquity (Ubuntu) Status: New => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2092438 Title: System fails to restart after install To manage notifications about this bug go to: https://bugs.launchpad.net/subiquity/+bug/2092438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs