[Bug 1259326] Re: system-update panel not blocking screen lock/blank while downloading

[Rodney Dawes]

Sorry. I just now saw all these replies. I was simply trying to describe
what I was observing happening. I don't know how the system works
exactly in respect to the updater or downloader, and whether it affects
the downloads. I also have no idea what "suspend" means in the context
of the device, since tablets and phones are meant to be always on, low
power devices. If there's actually a difference in screen off and power
suspend in that respect, I don't see a way to observe what that
difference is, on a live device.

All I want, is for us to avoid situations where download failures can
result in being presented as successful, or which can be caused, as a
result of the interaction between various services on the system. What I
observed was apparent failed or incomplete downloads, being treated as
successful, and the UI behaving oddly as a result, such as clicking on
'Install & Reboot' resulting in an error about the update not being
downloaded.

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https://bugs.launchpad.net/bugs/1259326

Title:
  system-update panel not blocking screen lock/blank while downloading

Status in Ubuntu system image (server/client/updater):
  Confirmed
Status in “system-image” package in Ubuntu:
  Confirmed
Status in “ubuntu-system-settings” package in Ubuntu:
  New

Bug description:
  The system-update panel is not blocking the screen form
  locking/blanking, while a download of a new image is in progress.
  Sometimes this seems to result in the new image not being fully
  downloaded (or the UI not properly representing the download, and
  assuming it hasn't been successful), leaving one with an "Install &
  Restart" button that immediately fails when pressed, with no way to
  retry the download.

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