[Bug 1670785] [NEW] crash when trying to upgrade from yakkety to zesty

[Joe Barnett]

Public bug reported:

After clicking the 'upgrade' button in update-manager, the upgrader
crashes, with the following cmdline output:

Checking for a new Ubuntu release
No protocol specified
Failed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused
No protocol specified
Failed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:23: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import Gtk, Gdk
Segmentation fault (core dumped)

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: ubuntu-release-upgrader-core 1:16.10.10
ProcVersionSignature: Ubuntu 4.8.0-39.42-generic 4.8.17
Uname: Linux 4.8.0-39-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Tue Mar  7 10:13:35 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-08-21 (564 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to yakkety on 2016-09-29 (159 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade wayland-session yakkety

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https://bugs.launchpad.net/bugs/1670785

Title:
  crash when trying to upgrade from yakkety to zesty

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  After clicking the 'upgrade' button in update-manager, the upgrader
  crashes, with the following cmdline output:

  Checking for a new Ubuntu release
  No protocol specified
  Failed to connect to Mir: Failed to connect to server socket: No such file or directory
  Unable to init server: Could not connect: Connection refused
  No protocol specified
  Failed to connect to Mir: Failed to connect to server socket: No such file or directory
  Unable to init server: Could not connect: Connection refused
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:23: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
    from gi.repository import Gtk, Gdk
  Segmentation fault (core dumped)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: ubuntu-release-upgrader-core 1:16.10.10
  ProcVersionSignature: Ubuntu 4.8.0-39.42-generic 4.8.17
  Uname: Linux 4.8.0-39-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Tue Mar  7 10:13:35 2017
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-08-21 (564 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to yakkety on 2016-09-29 (159 days ago)
  VarLogDistupgradeTermlog:

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