[Bug 820723] Re: Installer creates no BIOS boot partition on UEFI system, system becomes unbootable after automatic update

[Fabio Marconi]

*** This bug is a duplicate of bug 879858 ***
    https://bugs.launchpad.net/bugs/879858

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 879858, 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. Feel free to continue to report any other bugs you may
find.

** This bug has been marked a duplicate of bug 879858
   Kernel panic after grub-install on UEFI Asus 1215B

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https://bugs.launchpad.net/bugs/820723

Title:
  Installer creates no BIOS boot partition on UEFI system, system
  becomes unbootable after automatic update

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  A clean install of Natty on a UEFI (ASUS P8P67) system gives me this
  layout:

  $ sudo parted /dev/sda print
  Model: ATA Corsair CSSD-F12 (scsi)
  Disk /dev/sda: 120GB
  Sector size (logical/physical): 512B/512B
  Partition Table: gpt

  Number Start End Size File system Name Flags
   1 17.4kB 20.0MB 20.0MB fat16 boot
   2 20.0MB 111GB 111GB ext4
   3 111GB 120GB 8569MB linux-swap(v1)

  The installation is successful and the system boots fine. But
  subsequently, the automatic update replaces grub-efi with grub-pc and
  the system becomes unbootable (grub-install complains: "This GPT
  partition label has no BIOS Boot Partition; embedding won't be
  possible!")

  I tried reinstalling the system from scratch and got exactly the same
  problem again. I also tried "upgrading" the broken system from LiveUSB
  instead of reinstalling it from scratch, but that didn't help.
  Eventually I fixed the problem by manually reinstalling grub-efi
  instead of grub-pc. In Question #166162, I was advised that the
  installer should have created a bios_grub partition, hence this bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: ubiquity (not installed)
  Uname: Linux 3.0.0-0300-generic x86_64
  Architecture: amd64
  Date: Wed Aug  3 22:20:40 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: Upgraded to natty on 2011-07-14 (21 days ago)

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