[Bug 1418706] Re: Vivid: UEFI: blank drive incorrectly detected as existing BIOS-mode install

[erico_pt]

The bug happens if at the beginning of the installation you choose to
download updates while installing Ubuntu or if you select download third
party software for graphics and Wi-Fi hardware, Flash, Mp3 and other
media. Deselecting this dialog box allows the partition to occur without
problems.

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https://bugs.launchpad.net/bugs/1418706

Title:
  Vivid: UEFI: blank drive incorrectly detected as existing BIOS-mode
  install

Status in partman-auto package in Ubuntu:
  Fix Released
Status in partman-efi package in Ubuntu:
  Invalid
Status in ubiquity package in Ubuntu:
  Fix Released

Bug description:
  When doing a UEFI-mode install using the latest daily Vivid ISO (Thu
  Feb 5), Ubiquity incorrectly concludes that a blank drive contains an
  existing BIOS-mode install (see error in attached screenshot).

  The resulting error dialog is also broken: none of the buttons do any
  thing when clicked: X (close button), "Go Back", "Continue".

  You can seemingly move the install forward by clicking "Continue" in
  the main installer window, but things are still broken somewhere as
  grub isn't getting correctly installed (system is unbootable after the
  install completes).

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