[Bug 1677287] [NEW] upgrade 14.4 to 16.4 no start possible

[Bruno Todde]

Public bug reported:

When I upgrade the pc from 14.4 to 16.4 the pc won't start. 
I am using 2 systems, Ubuntu and Windows 10.
When I start the pc after upgrading, I have to choose Ubuntu or Windows and then I cannot go further, it freezes

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.9
ProcVersionSignature: Ubuntu 4.2.0-42.49~14.04.1-generic 4.2.8-ckt12
Uname: Linux 4.2.0-42-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: amd64
CrashDB: ubuntu
Date: Wed Mar 29 17:02:25 2017
InstallationDate: Installed on 2017-03-23 (5 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=nl
 PATH=(custom, no user)
 LANG=nl_NL.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2017-03-29 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2017-03-29 16:44:56.753842
 Log time: 2017-03-29 16:45:15.103912
 Log time: 2017-03-29 16:46:04.578987
 Log time: 2017-03-29 17:02:34.971326
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1677287

Title:
  upgrade 14.4 to 16.4  no start possible

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

Bug description:
  When I upgrade the pc from 14.4 to 16.4 the pc won't start. 
  I am using 2 systems, Ubuntu and Windows 10.
  When I start the pc after upgrading, I have to choose Ubuntu or Windows and then I cannot go further, it freezes

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.9
  ProcVersionSignature: Ubuntu 4.2.0-42.49~14.04.1-generic 4.2.8-ckt12
  Uname: Linux 4.2.0-42-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.23
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Mar 29 17:02:25 2017
  InstallationDate: Installed on 2017-03-23 (5 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=nl
   PATH=(custom, no user)
   LANG=nl_NL.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2017-03-29 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2017-03-29 16:44:56.753842
   Log time: 2017-03-29 16:45:15.103912
   Log time: 2017-03-29 16:46:04.578987
   Log time: 2017-03-29 17:02:34.971326
  VarLogDistupgradeTermlog:

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