[Bug 1783593] Re: UI frozen and no information when the upgrader is installing snap packages

[Launchpad Bug Tracker]

This bug was fixed in the package ubuntu-release-upgrader - 1:18.10.6

---------------
ubuntu-release-upgrader (1:18.10.6) cosmic; urgency=medium

  * DistUpgradeQuirks.py:
    - make sure that snapd is installed before trying to use it.
      (LP: #1783589)
    - update the view with information regarding the progress of snaps being
      installed. (LP: #1783593)
    - when checking for connectivity to the snap store use C.UTF-8 for the
      language so error message matching works. (LP: #1783738)
  * DistUpgradeController.py:
    - Remove debs from apt's "Dir::Cache::archives" folder after the upgrade
      has completed successfully.
    - Add a telemetry marker to report the time to process migration from deb
      to snaps.
  * DistUpgrade/DistUpgradeViewGtk3.py: call vte's terminal.feed_child() with
    the correct parameters thereby fixing a crash. (LP: #1780501)

 -- Brian Murray <brian at ubuntu.com>  Wed, 01 Aug 2018 15:06:53 -0700

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

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https://bugs.launchpad.net/bugs/1783593

Title:
  UI frozen and no information when the upgrader is installing snap
  packages

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

Bug description:
  Test Case
  1. Upgrade from Xenial to Bionic with update-manager -d

  Result
  At some point, after the deb packages have been upgraded, the UI freezes completely (cf Screenshot) for several minutes (6 minutes on my test system from a default xenial installation without any snap installed) seemingly doing nothing while the upgrader is installing snap packages.

  It should at least inform the user that snap packages are being
  installed, ideally with the currently running action like for debs.

  Additionally, if the machine being upgraded loses network connectivity
  at this stage, it hangs there forever and the only way out is to
  manually abort the ongoing snap change.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: ubuntu-release-upgrader-core 1:18.10.5
  ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
  Uname: Linux 4.15.0-23-generic x86_64
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jul 25 17:13:13 2018
  InstallationDate: Installed on 2014-07-15 (1471 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140520)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to cosmic on 2018-03-24 (123 days ago)

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