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

[Nick Semenkovich]

[The md device was checked before the upgrade via sync_action]

grub rescue> ls
(md1) (hd0) (hd0,msdos1) (hd1) (hd1,msdos1)

grub rescue> ls (md1)/boot
[ Shows boot dir]
grub rescue> ls (hd0,msdos1)/boot
[ Shows boot dir]
grub rescue> ls (hd1,msdos1)/boot
[ Shows boot dir]


grub rescue> insmod linux
error: symbol not found: `grub_divmod64_full`

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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 “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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