[Bug 1174093] Re: notify user that the lock screen has been disabled

[Łukasz Zemczak]

Hello Rebecca, or anyone else affected,

Accepted ubuntu-release-upgrader into bionic-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:18.04.20 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: ubuntu-release-upgrader (Ubuntu Bionic)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-bionic

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https://bugs.launchpad.net/bugs/1174093

Title:
  notify user that the lock screen has been disabled

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Bionic:
  Fix Committed

Bug description:
  [Impact]
  Users are not notified that their lock screen is disabled during an upgrade and may left there system in an insecure location during the upgrade process.

  [Test Case]
  1) Configure a screen lock with a short (2 minute?) timeout
  2) Upgrade from Ubuntu 16.04 to Ubuntu 18.04
  3) Observe that the screen is not locked during the upgrade process and you that you were not warned about it

  With the version of ubuntu-release-upgrader from -proposed you will
  receive a dialog telling you the lock screen has been disabled
  immediately before the upgrade begins.

  [Regression Potential]
  A new dialog is being added so there is little chance of regression.

  I set an upgrade running from 12.10 to 13.04 (my second attempt, the
  first had failed due to loss of network), and as I expected this to
  take some time, locked the screen and left.  I returned to an
  _unlocked_ screen, which is obviously a security risk.

  It was showing a debconf dialog (asking if I wanted to restart cron,
  atd, cups and rsync after upgrading libc6, probably not the most
  helpful thing to ask a user who may well have no idea what these are),
  but the logs suggest update-manager deliberately kills gnome-
  screensaver before starting the install phase (possibly a fix for bug
  319332 or similar problems?).

  If it is not practical to have screen lock actually working during an
  upgrade, I suggest either disabling it right at the start and giving
  an appropriate message if the user tries it, or pausing and waiting
  for user input if the screen is locked at the point where the lock
  needs to be disabled.

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