@Balint I tried three times, and 0.95-16.04.0rbalint1 didn't work well.
Please refer to attached file for detailed log. 1) Reboot system when unattended upgrades starts to download packages. //unattended-upgrades.log 2017-08-08 15:34:07,782 INFO Starting unattended upgrades script 2017-08-08 15:34:07,782 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial'] //unattended-upgrades-shutdown.log 2017-08-08 15:36:06,358 INFO - All upgrades installed The log shows "All upgrades installed", but there is no package installed. 2) Reboot system after unattended upgrades downloads packages for 5mins //unattended-upgrades.log 2017-08-08 15:55:27,907 INFO Starting unattended upgrades script 2017-08-08 15:55:27,907 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial'] System reboots immediately. There is no unattended-upgrades-shutdown log. 3) Reboot system when unattended upgrades starts to download packages. //unattended-upgrades.log 2017-08-08 16:09:03,548 INFO Starting unattended upgrades script 2017-08-08 16:09:03,549 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial'] //unattended-upgrades-shutdown.log 2017-08-08 16:10:50,573 INFO - All upgrades installed The log shows "All upgrades installed", but there is no package installed. --- The installed packages: apt_1.2.25-rbalint2_amd64.deb apt-doc_1.2.25-rbalint2_all.deb apt-transport-https_1.2.25-rbalint2_amd64.deb apt-utils_1.2.25-rbalint2_amd64.deb libapt-inst2.0_1.2.25-rbalint2_amd64.deb libapt-pkg5.0_1.2.25-rbalint2_amd64.deb libapt-pkg-doc_1.2.25-rbalint2_all.deb unattended-upgrades_0.95-16.04.0rbalint1_all.deb ** Attachment added: "unattended-upgrades-shutdown.log, unattended-upgrades.log, apt log, and dpkg log" https://bugs.launchpad.net/oem-priority/+bug/1690980/+attachment/4928762/+files/log_0808.tar.gz -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1690980 Title: unattended-upgrades does not block shutdown of system, as it is designed to Status in OEM Priority Project: Triaged Status in OEM Priority Project xenial series: New Status in apt package in Ubuntu: Fix Committed Status in unattended-upgrades package in Ubuntu: Fix Committed Bug description: Title: No pop-up window to warn users that system should not reboot or shutdown while installing security updates Summary: No pop-up window to warn users that system should not reboot or shutdown while installing security updates Steps: 1. trigger unattended-upgrades 2. reboot or shutdown system while installing packages Expected results: There is a pop-up window to warn users that system should not reboot or shutdown Actual results: There is no pop-up window to warn users Additional information: $ apt-cache policy unattended-upgrades unattended-upgrades: Installed: 0.90 Candidate: 0.90ubuntu0.5 $ lsb_release -rd Description: Ubuntu 16.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1690980/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp