[Bug 2026653] [NEW] Cannot install from same device

[John Moser]

Public bug reported:

Trying this with both Xubuntu and Kubuntu 2023.04

The LiveDVD has been extracted to /dev/sdb5 and a partition exists with
LVM logical volumes.  No partition table changes are made during
install; the installer reports, after configuring partitions and
filesystems, that 3 LVM logical volumes will be formatted EXT4.

After the partitioning screen, the installer on both Xubuntu and Kubuntu
immediately complain they can't unmount /cdrom and hang at "Scanning
filesystems…"

It is impossible to install the operating system.  For some unknown
reason it refuses to continue.  This makes it impossible to install
without a separate media.

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2026653

Title:
  Cannot install from same device

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Trying this with both Xubuntu and Kubuntu 2023.04

  The LiveDVD has been extracted to /dev/sdb5 and a partition exists
  with LVM logical volumes.  No partition table changes are made during
  install; the installer reports, after configuring partitions and
  filesystems, that 3 LVM logical volumes will be formatted EXT4.

  After the partitioning screen, the installer on both Xubuntu and
  Kubuntu immediately complain they can't unmount /cdrom and hang at
  "Scanning filesystems…"

  It is impossible to install the operating system.  For some unknown
  reason it refuses to continue.  This makes it impossible to install
  without a separate media.

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