[Bug 1722915] [NEW] Command-line upgrade from 16.10 to 17.04 failed

[Ryan Thompson]

Public bug reported:

I ran "sudo do-release-upgrade" on my Ubuntu Server 16.10 system, and
after a bunch of work, it said  "Could not calculate the upgrade" and
bailed out. I think I have a few packages installed from outside the
Ubuntu repos, so that could be the problem, but the error message was
not specific enough for me to figure out whether that was the case.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: ubuntu-release-upgrader-core 1:16.10.9
ProcVersionSignature: Ubuntu 4.8.0-59.64-generic 4.8.17
Uname: Linux 4.8.0-59-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.3-0ubuntu8.7
Architecture: amd64
CrashDB: ubuntu
Date: Wed Oct 11 13:45:50 2017
InstallationDate: Installed on 2014-06-29 (1200 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
PackageArchitecture: all
ProcEnviron:
 LC_CTYPE=en_US.UTF-8
 TERM=screen-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to yakkety on 2017-10-11 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/1722915

Title:
  Command-line upgrade from 16.10 to 17.04 failed

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

Bug description:
  I ran "sudo do-release-upgrade" on my Ubuntu Server 16.10 system, and
  after a bunch of work, it said  "Could not calculate the upgrade" and
  bailed out. I think I have a few packages installed from outside the
  Ubuntu repos, so that could be the problem, but the error message was
  not specific enough for me to figure out whether that was the case.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: ubuntu-release-upgrader-core 1:16.10.9
  ProcVersionSignature: Ubuntu 4.8.0-59.64-generic 4.8.17
  Uname: Linux 4.8.0-59-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  ApportVersion: 2.20.3-0ubuntu8.7
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Oct 11 13:45:50 2017
  InstallationDate: Installed on 2014-06-29 (1200 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  PackageArchitecture: all
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to yakkety on 2017-10-11 (0 days ago)

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