[Bug 1260855] Re: http://start.ubuntu.com/connectivity-check.html and other ubiquity services are not accessible over IPv6 (no internet connectivity in ubiquity)

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1260855

Title:
  http://start.ubuntu.com/connectivity-check.html and other ubiquity
  services are not accessible over IPv6 (no internet connectivity in
  ubiquity)

Status in “ubiquity” package in Ubuntu:
  Triaged
Status in “ubuntu-release-upgrader” package in Ubuntu:
  Confirmed

Bug description:
  When installing on an IPv6 only network, the installer incorrectly
  reports that no Internet connectivity is available.

  Steps to reproduce:
  - Download desktop ISO. I used http://cdimage.ubuntu.com/xubuntu/daily-live/current/trusty-desktop-amd64.iso current at Fri Dec 13 15:00 EST
  - Boot ISO on a computer where only IPv6 connectivity is available
  - Choose Install Xubuntu
  - Choose language

  Results:
  - At "Preparing to install Xubuntu screen" it states
    For best results, please ensure that this computer:
    ✓ has at least 5.5GB available drive space
    ✕ is connected to the Internet

  Expected results:
  - A checkmark next to "is connected to the internet"

  The install is able to complete from the ISO. Once the installed
  machine is booted, updates are able to be applied indicating Internet
  connectivity is indeed available.

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