[Bug 156476] Re: partition numbering changed after installing 7.10 gutsy

[dino99]

** Changed in: grub (Ubuntu)
       Status: Confirmed => Invalid

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Title:
  partition numbering changed after installing 7.10 gutsy

Status in “grub” package in Ubuntu:
  Invalid

Bug description:
  After upgrade  of 7.04 to 7.10, I could boot to windows XP but booting
  to UBUNTU gave grub error 15 File not found.  Since the grub boot menu
  displayed properly I suspected a problem in grub's menu.lst.
  Inspection of menu.lst showed that the partition numbers had changed.
  The partition number for windows XP was 1 just as it was before.  The
  partition number for UBUNTU had changed from 3 to 4.  I used the GRUB
  boot diskette invoked the "find" function to find that GRUB found
  UBUNTU in partition 5.  I updated menu.lst to change the partition
  number for the UBUNTU entries to 5.  After that the boot function
  worked properly.

  Analysis:

  The partitions on my hard disk are as follows in address order:

  number/type/file system/usage

  0/primary/??/Dell Utility
  1/primary/NTFS/Windows XP
  2/extended/FAT32/shared
  3/extended/ext3/UBUNTU
  4/extended/??/UBUNTU swap
  5/primary/??/Dell Restore

  In 7.04 UBUNTU was number 3 as in the list.  To get 5 as 7.10 does I
  would hypothesize that it counts 0 to 3 as the 4 primary partitions
  (including the primary extended partition) and then counts the the
  three extended sub-partitions as 4 through 6

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