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

[Steve Langasek]

Context in /var/log/syslog shows:

Mar 25 22:31:39 trusty-upgrade udisksd[2392]: Acquired the name org.freedesktop.UDisks2 on the system message bus
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057324] init: dbus main process (374) killed by KILL signal
Mar 25 22:31:39 trusty-upgrade kernel: [ 7166.057335] init: dbus main process ended, respawning

This points towards udisks2 being the culprit, since the other packages
that were configured at 22:31:39 happened after udisks2.

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https://bugs.launchpad.net/bugs/1555237

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

Status in compiz package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader package in Ubuntu:
  In Progress

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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