[Bug 1300102] [NEW] Grub EFI partition broken when installing 14.04 with 13.10 installed

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13.10 was already installed and my working version in its own partition (dev/sda3)
14.04 beta 2 was newly installed into its own partition (dev/sda4)

System was left unbootable and broken because Grub could not be found at
boot time.

To try and fix the problem I used the boot-repair-disk-64bit.iso
(dowloaded from: http://sourceforge.net/projects/boot-repair-
cd/files/latest/download?source=recommended). This was apparently
updated last for 13.04. The contents of README.diskdefines are:

#define DISKNAME  Lubuntu 13.04 "Raring Ringtail" - Release amd64
#define TYPE  binary
#define TYPEbinary  1
#define ARCH  amd64
#define ARCHamd64  1
#define DISKNUM  1
#define DISKNUM1  1
#define TOTALNUM  0
#define TOTALNUM0  1

The tool was not able to run completely on its own with the "Recommended
repair" option which in the past had worked properly. Instead, it gave
me a list of commands to run in a terminal which I ran. The commands
said they worked and the repair tool completed without error but the
system could still not boot afterwards.

--
How I fixed the problem:

Booted Live/CD
Deleted EFI and 14.04 partitions
Recreated EFI partition
Reinstalled 14.04

Apparently, the same can be accomplished from the command line but
didn't see the posting before reinstalling.

---
Upon further investigation, it appears that 14.04 uses a newer version of Grub? 

Although, the source of the problem may not be related to Ubuntu
specifically, because EFI was introduced by Microsoft, it nonetheless
reflects badly on Ubuntu when the user expects the installer to simply
just work. These kind of issues really turn off users to Linux since
they are a headache and eat up so much time.

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: 14.04 bot-comment grub
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Grub EFI partition broken when installing 14.04 with 13.10 installed
https://bugs.launchpad.net/bugs/1300102
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