[Bug 1787164] [NEW] impossible to upgrade from 14-04 to 16-04

sylverpol 1787164 at bugs.launchpad.net
Wed Aug 15 10:15:19 UTC 2018 

Public bug reported:

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
'object->ref_count > 0' failed

(firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_unref: assertion 'object->ref_count > 0' failed
ubuntu-bug ubuntu-release-upgrader-core
sylvie at ubuntu:~$ 
(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **: g_object_ref:
assertion 'object->ref_count > 0' failed

(/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
g_object_unref: assertion 'object->ref_count > 0' failed

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.10
ProcVersionSignature: Ubuntu 3.13.0-155.205-generic 3.13.11-ckt39
Uname: Linux 3.13.0-155-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Wed Aug 15 12:07:59 2018
InstallationDate: Installed on 2012-10-16 (2128 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2018-08-15 (0 days ago)
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug dist-upgrade trusty

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Ubuntu.
https://bugs.launchpad.net/bugs/1787164

Title:
  impossible to upgrade from 14-04 to 16-04

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

Bug description:
  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_ref: assertion
  'object->ref_count > 0' failed

  (firefox:4791): GLib-GObject-CRITICAL **: g_object_unref: assertion
  'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4864): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:4950): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5018): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5083): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5219): GLib-GObject-CRITICAL **: g_object_unref: assertion 'object->ref_count > 0' failed
  ubuntu-bug ubuntu-release-upgrader-core
  sylvie at ubuntu:~$ 
  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **: g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5253): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_ref: assertion 'object->ref_count > 0' failed

  (/usr/lib/firefox/firefox:5569): GLib-GObject-CRITICAL **:
  g_object_unref: assertion 'object->ref_count > 0' failed

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.10
  ProcVersionSignature: Ubuntu 3.13.0-155.205-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-155-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Aug 15 12:07:59 2018
  InstallationDate: Installed on 2012-10-16 (2128 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2018-08-15 (0 days ago)
  VarLogDistupgradeTermlog:

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