[Bug 756564] Re: After Maverick to Natty upgrade, grub won't boot and displays "symbol not found : 'grub_env_export'"

[ybdjkfd]

Of course, I would not have had to do the above steps if I had fixed the
RAID setup before restarting right after the upgrade to Natty.  I likely
would only have had to do the following before a reboot:

# May not be there
apt-get purge dmraid
apt-get install dmraid
# I believe here it is the whole RAID disk, not just the partition
grub-install /dev/mapper/isw_[some-id]_RAID1
update-grub2
reboot

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https://bugs.launchpad.net/bugs/756564

Title:
  After Maverick to Natty upgrade, grub won't boot and displays "symbol
  not found : 'grub_env_export'"

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: grub2

  It's pretty much all in the title, but Grub2 messed up after the upgrade from 10.10 to 11.04. During the install, i watched carefully the configuration procedure, it ran fine.
  I then just rebooted, and there it was: grub simply said:
  error: symbol not found: 'grub_env_export'
  grub rescue>

  (btw: grub rescue doesn't even return me a help menu on "help")