[Bug 993221] Re: installer silently overwrote existing partition

[Brian Murray]

*** This bug is a duplicate of bug 998492 ***
    https://bugs.launchpad.net/bugs/998492

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 998492, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 998492
   Fails to detect package download errors on architectures other than amd64

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https://bugs.launchpad.net/bugs/993221

Title:
  installer silently overwrote existing partition

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  During a fresh install of Ubuntu 12.04 on an old system partition, i
  decided to already use my existing /home partition so it would be
  mounted when booting back. My laptop in this case is triple boot, and
  I decided I wanted to keep the Ubuntu 10.10 until happy with 12.04.

  For some odd reason you need to pick the type of partition
  (ext3,ext4,...) when re-using /home, which will then be used. I
  guessed wrong. It was ext3, and i told it was ext4. That's problem
  one, because at this stage the installer could be complained or picked
  ext3. I explicitly did not tag this partition to be formatted, in
  fact, only /dev/sda3 (my new /) was tagged for reformat, I also re-
  used /dev/sda1, which is /boot for me, to handle a shared /boot
  between the triple boots on this machine.

  The sad outcome of this interaction was that my /home (which was ext3)
  was reformatted to ext4 , which is totally unacceptable! The installer
  program should have come up with a dialog that it would reformat a
  partition that wasn't tagged to be reformatted.

  I found /var/log/installer/partman with information on this chain of
  events.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
  Uname: Linux 3.2.0-24-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: i386
  Date: Wed May  2 08:00:03 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/tcsh
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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