[Bug 1555237] Re: Upgrade from 14.04.4→ 16.04 dies midway taking out the session.

[Erick Brunzell]

@ Tim Lunn, I typically turn off screen lock and set blank screen to
never before beginning my upgrade tests but I suppose this time I should
leave screen lock on and just increase blank screen to 30 minutes or so.
Then if things seem even remotely buggy I'll compare the results between
Ubuntu and Ubuntu GNOME release upgrades, and file a new bug report as
needed.

I should have time to do that this weekend so we'll have time to address
any gdm or GNOME specific issues prior to release. If you have any other
thoughts about performing the next round of release-upgrade tests please
send me a PM.

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Title:
  Upgrade from 14.04.4→ 16.04 dies midway taking out the session.

Status in dbus package in Ubuntu:
  In Progress
Status in systemd package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader package in Ubuntu:
  Invalid

Bug description:
  STEPS:
  1. Install 14.04.4 on a uefi securebooted system
  2. update it
  3. Install openssh-server for debug access
  4. reboot
  5. Hit alt+f2
  6. Type update-manager -d and hit enter

  EXPECTED:
  I expected a smooth transition to 16.04

  ACTUAL:
  System is completely taken out mid way through the process killing the session and x also no tty when hitting ctrl+alt+f1-6

  ---

  TESTS RESULTS (from cyphermox):

  On amd64 (no EFI) under qemu/libvirt, qxl graphics:
  - upgrading just libglib2.0-0 from 16.04 on top of 14.04.4: PASS
  - upgrading ubuntu-desktop (running gnome-shell) 14.04.4 to 16.04: PASS
  - upgrading ubuntu-desktop (running xubuntu-session) 14.04.4 to 16.04: PASS
  - manually upgrading compiz and other packages to 16.04 versions; after adding xenial sources:
    - compiz and related packages (http://paste.ubuntu.com/15415280/) : PASS
    - xserver-xorg and related: PASS
    - unity and related: PASS
    - ubuntu-desktop: PASS
    - libgl1-mesa-dri: PASS
    - apt-get dist-upgrade: FAIL (screensaver may have kicked in)
  - standard upgrading 14.04.4 to 16.04; screensaver disabled: FAIL (looked fine, but upgrade eventually froze, might well be a different issue)
  - re-enabling screensaver after upgrade, before reboot: TODO (above failed)

  On ppc64el:
  - upgrading ubuntu-server 14.04.4 -> 16.04: PASS

  ---

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
  Uname: Linux 4.2.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Mar  9 17:01:27 2016
  InstallationDate: Installed on 2016-03-04 (5 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Beta amd64 (20160224)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2016-03-09 (0 days ago)
  VarLogDistupgradeTermlog:

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