[Bug 1033985] Re: unable to install quantal on system running precise with LVMs

[James Hunt]

Selecting "Something else" also gives unexpected behaviour since
although it shows the VGs, nothing appears to be deletable via this
screen, and each VG is shown twice with the 2nd entry indented, like
this:

/dev/mapper/myhost-root
    /dev/mapper/myhost-root
/dev/mapper/myhost-swap_1
    /dev/mapper/myhost-swap_1
/dev/sda
    /dev/sda1
    /dev/sda5

The "used" column shows "unknown" for all indented entities.

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https://bugs.launchpad.net/bugs/1033985

Title:
  unable to install quantal on system running precise with LVMs

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Attempting to install quantal on a system running precise (installed
  from alternate CD) with LVMs results in ubiquity looping and never
  allowing the install to proceed:

  - On "Installation type" screen, select "erase Ubuntu 12.04 LTS and reinstall"
  - click "Install Now"
  - On "Erase Ubuntu 12.04 LTS and reinstall" screen, click "Install Now"
  - bottom of screen shows "Installing..."
  - window appears titled "Remove existing logical volume data?" and tells me I have 2 LVs to remove(root, swap_1) in 1 VG in 1 PV (/dev/sda5).
  - click "Continue".
  - window disappears and takes me back to "Erase Ubuntu 12.04 LTS and reinstall" screen.
  - click "Install Now"
  - a moment later the window reverts to the "Installation type" screen.
  - clicking "Install Now" just loops round again.

  CD Image used: http://cdimages.ubuntu.com/daily-live/20120807.1
  /quantal-desktop-amd64.iso

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