Public bug reported:
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
** Affects: ubuntu
Importance: Undecided
Status: New
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Cannot boot UBUNTU after installing 7.10 gutsy
https://bugs.launchpad.net/bugs/156476
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