[Bug 1387654] Re: installing or upgrading to Ubuntu 14.10 kills Boot Manager on ThinkPad W540

[Alberto Salvia Novella]

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1387654

Title:
  installing or upgrading to Ubuntu 14.10 kills Boot Manager on ThinkPad
  W540

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

Bug description:
  When you install or upgrade to Ubuntu 14.10 on a Lenovo ThinkPad W540
  after a reboot the machine prints:

  
  Boot Manager recover from critical error. Some essential variables are absent or corrupted and Boot Manager has restored them from default configuration. Press Esc to continue or F1 to enter Setup.

  Then restores to default configuration (eg only Windows boots)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.9
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Oct 30 13:10:43 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-10-27 (3 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to utopic on 2014-10-28 (2 days ago)
  VarLogDistupgradeTermlog:

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