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

[sigdrifa]

I had the same problem, a little bit of googling brought me to this
article: http://sahd.lamafam.org/?p=1866

Even though in my case the problem occurred after a distribution upgrade
and not after adding a new HD I still decided to check the boot priority
settings in BIOS (after re-installing grub several times didn't make a
difference). The settings hadn't changed, although the slots of my
internal USB memory card reader were listed between the DVD drive and
the first hard disk. That was never a problem before, but I still
decided to put the boot hard disk in second place. That seems to have
solved the problem. Why, I don't know. There was no memory card in the
card reader.

Hope this helps.

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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:
  Confirmed

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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