[Bug 836378] Re: Oneiric upgrade, boot hangs at error: symbol not found: grub_divmod64_full

[Nick Semenkovich]

Recovered by reinstalling grub via Oneiric netinst mini.iso image.

$ apt-cache policy grub grub-common grub-pc-bin grub2 grub2-common
grub:
  Installed: (none)
  Candidate: 0.97-29ubuntu62
  Version table:
     0.97-29ubuntu62 0
        500 http://mirrors.mit.edu/ubuntu/ oneiric/main amd64 Packages
grub-common:
  Installed: 1.99-11ubuntu1
  Candidate: 1.99-11ubuntu1
  Version table:
 *** 1.99-11ubuntu1 0
        500 http://mirrors.mit.edu/ubuntu/ oneiric/main amd64 Packages
        100 /var/lib/dpkg/status
grub2-common:
  Installed: 1.99-11ubuntu1
  Candidate: 1.99-11ubuntu1
  Version table:
 *** 1.99-11ubuntu1 0
        500 http://mirrors.mit.edu/ubuntu/ oneiric/main amd64 Packages
        100 /var/lib/dpkg/status
grub2:
  Installed: (none)
  Candidate: 1.99-11ubuntu1
  Version table:
     1.99-11ubuntu1 0
        500 http://mirrors.mit.edu/ubuntu/ oneiric/universe amd64 Packages
grub-pc-bin:
  Installed: 1.99-11ubuntu1
  Candidate: 1.99-11ubuntu1
  Version table:
 *** 1.99-11ubuntu1 0
        500 http://mirrors.mit.edu/ubuntu/ oneiric/main amd64 Packages
        100 /var/lib/dpkg/status

** Also affects: update-manager
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/836378

Title:
  Oneiric upgrade, boot hangs at error: symbol not found:
  grub_divmod64_full

Status in Update Manager:
  New
Status in “grub2” package in Ubuntu:
  New

Bug description:
  Upgraded from Natty to Oneiric on a machine with a two-drive RAID 1
  md0 using do-release-upgrade -d

  The upgrade went fine, but on reboot, the machine simply hangs at:
  error: symbol not found: 'grub_divmod64_full'.
  grub rescue>

  Trying to recover and grab logs now.

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