[Bug 924660] Re: 12.04 Installer stuck on 'Removing conflicting operating system files'

[Yihfei Yang]

*** This bug is a duplicate of bug 946663 ***
    https://bugs.launchpad.net/bugs/946663

Same problem confirmed on an Intel MacBook 8,2.
Using Ubuntu-12.04LTS-beta2-desktop-i386 as installation source.
I have attempted to install the os on 8 different plans on my 2 separate partitions ( / and /home ), on the basis of, for each partition, whether it 1) contains old  data or not, whether it 2) is formatted already before running the installer or not and whether it 3) is marked in ubiquity "to be formatted" during the installation or not.
The result is that the problem occurs in all scenarios and has no relevance to the three controls I have set.

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https://bugs.launchpad.net/bugs/924660

Title:
  12.04 Installer stuck on 'Removing conflicting operating system files'

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  When installing 12.04 on a hard drive with two partitions (/ & /home)
  formatting only the / partition results in the installer hanging on
  "Removing conflicting operating system files" after it has wiped away
  the / partition. This leaves an unusable system.

  When I install Ubuntu, I format the /(root) partition, but leave the
  /home unformatted and mount it. This means I can keep all my files and
  preferences while having a clean Ubuntu install.

  My home directory is encrypted, so my theory is that the installer is
  unable to get into my home dir and hangs. Since this step happens
  before the login details are provided.

  This is a pretty serious regression IMHO, since it breaks the current
  install and prevents the new install from completing.

  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.9.15
  ProcVersionSignature: Ubuntu 3.2.0-12.20-generic 3.2.2
  Uname: Linux 3.2.0-12-generic x86_64
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.302
  Date: Wed Feb  1 04:31:12 2012
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120131.3)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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