[Bug 1649153] Re: upgrade from 15.10 to 16.04 broken, bricks computer

[Ubuntu Foundations Team Bug Bot]

** Tags added: wily2xenial

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https://bugs.launchpad.net/bugs/1649153

Title:
  upgrade from 15.10 to 16.04 broken, bricks computer

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

Bug description:
  I upgraded (or tried to) from 15.10 to 16.04.

  After a few errors as per bug 1561467 and a few crash-report popups
  which I don't know whether were related or not, I finally got the
  error message:

  "Could not install the upgrades
  The upgrade has aborted. YOUR SYSTEM COULD BE IN AN UNUSABLE STATE. A recovery will run now (dpkg --configure -a)"
  (emphasys added).

  By clicking "Close", I expedted the "recovery" to run and hopefully recover something, but nothing happened.
  Almost immediately, the upgrade window with the checklist ("download stuff", "install stuff", ... "cleanup", "restart computer") disappeared (without prompting me to restart the computer) and I got a message like "Upgrade complete. The system was updated but there were errors" or something like that. (obviously this is all unacceptable: you tell me my system could be unusable and don't give me a clue about what the fuck happened and what I am supposed to do?!?)

  So, I tried running "dpkg --configure -a" in a terminal, but I only
  got a very long series of almost identical errors regarding dependency
  problems for many many packages, which ended more or less like
  "Aborting, too many errors".

  After a bit of googling, I tried this which I seemed to understand could maybe fix the issue:
    sudo apt-get -f install
  (or "sudo apt-get install -f", can't remember now)

  
  This seems to have worked. I could reboot (got a couple of crash reports, I hope they won't pop up at every reboot), my system is now 16.04 and tried some random stuff which seems to work.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: apt 1.2.15
  ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
  Uname: Linux 4.4.0-53-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia
  ApportVersion: 2.20.1-0ubuntu2.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Dec 11 23:17:12 2016
  InstallationDate: Installed on 2013-10-11 (1157 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: apt
  UpgradeStatus: Upgraded to xenial on 2016-12-11 (0 days ago)
  --- 
  ApportVersion: 2.20.1-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2013-10-11 (1158 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  NonfreeKernelModules: nvidia_uvm nvidia
  Package: ubuntu-release-upgrader (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30
  Tags:  xenial dist-upgrade
  Uname: Linux 4.4.0-53-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-12-11 (1 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo vboxusers wireshark
  VarLogDistupgradeTermlog:
   
  _MarkForUpload: True

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