[Bug 732771] Re: Ubuntu 10.10 (AMD 64) installer on Intel "fake RAID" writes GRUB boot code to MBR, not to root of Linux partition, contrary to selected option.

[Brian Murray]

** Tags added: ubiquity-2.4.8

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Title:
  Ubuntu 10.10 (AMD 64) installer on Intel "fake RAID" writes GRUB boot
  code to MBR, not to root of Linux partition, contrary to selected
  option.

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Binary package hint: ubiquity

  I have now tried this twice, in case I'd bungled the selection the
  first time around and because I'd know to collect details, the second
  time.  (Note, although my Ubuntu installation booted the first time,
  it did not seem to be recognising that the discs were fake RAID.  It
  showed sda and sdb and nothing in mapper.  With this second
  installation, Ubuntu seems to be running from the RAID correctly -
  "/dev/mapper/isw_gcjjjacje_MC-PC001_RAID5 /               ext4
  errors=remount-ro 0       1". "/dev/mapper/isw_gcjjjacje_MC-
  PC001_RAID6 none            swap    sw              0       0": in
  fstab.  Difference in my second installation was that I checked the
  box to download updates.)

  The fake RAID is provided by Intel ICH9R.

  Just to prove I chose the root of my Linux partition for GRUB
  installation, I took a screen shot.  (This is dated Thu 10 Mar 2011
  05:29:57 PM GMT.)  I also have a screen shot of the wizard reporting
  'Running "grub-install /dev/mapper/isw_gcjjjacje_MC-PC001_RAID"', but
  this information is in the log and indicates what was done, rather
  than what was requested.

  This report is being submitted from within the Live CD environment,
  following Ubiquity's completion of the installation routine.

  I saved the RAID MBR and the Linux partition (5) boot sector
  immediately after Ubiquity finished.  The MBR is clearly for GRUB
  (having been Windows 7 at the start) and the partition's "boot sector"
  is all zero.

  Thank you for reading, and doubly for working on this issue.

  ==============================
  ubuntu at ubuntu:/tmp$ apt-cache policy ubiquity
  ubiquity:
    Installed: 2.4.8
    Candidate: 2.4.8
    Version table:
   *** 2.4.8 0
          500 http://archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: ubiquity 2.4.8
  ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
  Uname: Linux 2.6.35-22-generic x86_64
  Architecture: amd64
  Date: Thu Mar 10 18:03:37 2011
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity

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