[Bug 993221] Re: installer silently overwrote existing partition

[Peter Teuben]

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

I don't see yet how 998492 can be a duplicate of this bug, they really
appear to be very different, unless there's something hidden in the
attached logfiles that I didn't pay attention to,  since in my case
everything installed just fine, just that my precious /home was
reformatted without a query :-(

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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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