[Bug 900245] Re: [12.04] Ubiquity/Partman do not re-use/detect FAT32 EFI partition

[YannUbuntu]

Attached files corresponding to the 2nd system of the following
procedure:

1) Installed Ubuntu 12.04 Beta2 ("use the entire disk")
2) Reduced sda2 partition. 
3) then installed a second Ubuntu 12.04 Beta2 ("alongside Ubuntu 12.04").


** Attachment added: "partman and syslog"
   https://bugs.launchpad.net/ubuntu/+source/partman-auto/+bug/900245/+attachment/3067681/+files/mesfichersrelatifsauxmanipsefiavecprecise.zip

** Changed in: partman-auto (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/900245

Title:
  [12.04] Ubiquity/Partman do not re-use/detect FAT32 EFI partition

Status in “partman-auto” package in Ubuntu:
  Confirmed

Bug description:
  On Ubuntu 11.10 and 12.04 alpha

  On a EFI system which already contains a FAT32 EFI partition, when the
  user chooses "Install Ubuntu alongside them" (see attached screenshot)
  , Ubiquity will create another EFI partition, but will not use it.
  Instead it will use the first EFI partition detected on the disk.

  For example, if you install Ubuntu 11.04, then 11.10, then 12.04 alpha
  on a EFI system, you will find that 3 EFI partitions are created, but
  only the 1st EFI partition will be used (grubx64.efi will be updated
  each time). The 2 other EFI partitions will remain useless (empty).

  Remarks: 
  - if the user chooses "Something else" and creates a root (/) partition, Ubiquity will correctly detect and use the existing EFI partition.
  - if the EFI partition is FAT16, it will be correctly detected by Partman, and Ubiquity will correctly use it (and won't create additional EFI partition)

  (translated from French: http://forum.ubuntu-
  fr.org/viewtopic.php?pid=7332931#p7332931 )

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