[Bug 1690980] Re: No pop-up window to warn users that system should not reboot or shutdown while installing security updates

[ethan.hsieh]

@Brian Murray

Here is the log which I uploaded in #1
//dpkg.log
2017-05-12 08:22:24 status unpacked linux-headers-4.4.0-75:all 4.4.0-75.96
2017-05-12 08:22:24 install linux-headers-4.4.0-75-generic:amd64 <none> 4.4.0-75.96
2017-05-12 08:22:24 status half-installed linux-headers-4.4.0-75-generic:amd64 4.4.0-75.96
//term.log
Selecting previously unselected package linux-headers-4.4.0-75.
Preparing to unpack .../linux-headers-4.4.0-75_4.4.0-75.96_all.deb ...
Unpacking linux-headers-4.4.0-75 (4.4.0-75.96) ...
Selecting previously unselected package linux-headers-4.4.0-75-generic.
Preparing to unpack .../linux-headers-4.4.0-75-generic_4.4.0-75.96_amd64.deb ...
Unpacking linux-headers-4.4.0-75-generic (4.4.0-75.96) ...

In my case, the installation of linux-header/linux-image was interrupted, and then system failed to boot to Ubuntu desktop. unattended-upgrades had no chance to finish the installation. It looks like not all packages can be recovered after reboot.
It seems to me that the ideal way is that reboot/shutdown is blocked until unattended-upgrades finishes secure update.

** Changed in: oem-priority
       Status: Confirmed => Triaged

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https://bugs.launchpad.net/bugs/1690980

Title:
  No pop-up window to warn users that system should not reboot or
  shutdown while installing security updates

Status in OEM Priority Project:
  Triaged
Status in OEM Priority Project xenial series:
  New
Status in unattended-upgrades package in Ubuntu:
  Incomplete

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

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