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

[Dave Gilbert]

Looks like the symbol is used in a bunch of places:

affs.mod
    13: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
afs_be.mod
    12: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
afs.mod
    12: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
biosdisk.mod
    12: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
btrfs.mod
    13: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
bufio.mod
     8: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
ls.mod
    16: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
lvm.mod
    14: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
nilfs2.mod
    13: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
ntfs.mod
    13: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
pxe.mod
    15: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
raid.mod
    14: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
scsi.mod
    13: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
xnu.mod
    26: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full
zfs.mod
    15: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND grub_divmod64_full

and from the source should come from kernel.img I think (grub-
core/kern/misc.c).

That changed in ~April - used to be grub_divmod64 and is now inlined and
calls the _full.

Dave

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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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