touch-packages team mailing list archive

[Nick Dedekind <1373966@xxxxxxxxxxxxxxxxxx>]

> That isn't what https://launchpad.net/bugs/1355173 says.

Blanking the screen & switching the application it have the same effect
on the current application. They are suspended, which explicitly stops
the trust session.

The application and trust helper should be handling unexpected stops of
the trust session. The trust helper should be cleaning up  prompt
providers (the overlay ui) it starts when it shuts down. If this isn't
happening, then this is a bug with the helper. The life-cycle of prompt
provider must be bounded by the trust helper otherwise hell will break
loose.

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https://bugs.launchpad.net/bugs/1373966

Title:
  Trusted prompt sessions get stuck on screen blank

Status in “unity8” package in Ubuntu:
  Triaged

Bug description:
  When a trusted prompt session is open on top of the dash, and the
  screen is blanked (either via timeout or pressing the power button to
  turn it off), the app which is running in the prompt session
  disappears upon turning the screen back on. In some cases, this leaves
  the dash in a state where the user is unable to interact with it, and
  the only recourse is to reboot or run "restart unity8-dash" if the
  Terminal or an adb shell are available. In some cases, this also
  leaves the app which was in the trusted prompt session, running in the
  background, and it will not get terminated by the system.

  To reproduce:

  1: Go to the YouTube scope.
  2: Scroll to the bottom of the results and tap the "Log-in to YouTube" result entry.
  3: When the online-accounts-ui opens up, turn the screen off.
  4: Turn the screen back on and notice the login window for YouTube is gone, and the dash cannot be interacted with.

  So far, I've only been able to do this in the dash, either with the
  YouTube log-in, or with the app purchasing flow (which is slightly
  more complex to test).

  When reproducing this in ubuntu-system-settings-online-accounts, the
  new account login window goes away, but it is still possible to
  interact with the system-settings UI, so the user can recover by
  trying to add the account again, or just quitting system settings.

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