[Bug 842838] Re: grub-efi-amd64 does not allow system to boot on HP 8200 Ellite CMT

[Franck]

I think the bug is still present in 13.04 as well as in 13.10 beta.
I manged to get things working, and found the source of the problem: the search.fs_uuid set in EFI/ubuntu/grub.cfg on the UEFI system partition is not correct, as it does not relate to the root fs.

So I had to boot from a rescue disk, open a shell on my target root filesystem, get its UUID with bkid, mount /boot/efi and edit grub.gcf with the right UUID. After that, things worked.
I also used dd to clone the ESP on the second disk of the raid to be able to boot in case one of them fails...

So I think the bug is when picking the UUID of the root fs when
generating the /boot/efi/EFI/ubuntu/grub.cfg file.

** Summary changed:

- grub-efi-amd64 does not allow system to boot on HP 8200 Ellite CMT
+ grub-efi-amd64 picks wrong UUID for root fs when using RAID and LVM

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https://bugs.launchpad.net/bugs/842838

Title:
  grub-efi-amd64 picks wrong UUID for root fs when using RAID and LVM

Status in “debian-installer” package in Ubuntu:
  Confirmed

Bug description:
  When installing a system with RAID 1 on two disks on a EFI computer,
  Ubuntu installs grub-efi-amd64 instead of grub-pc. This should be the
  correct behaviour, but at the end of the installation, the system in
  unbootable.

  For info, Debian testing Wheezy, nightly build of yesterday (sep 5
  2011) is working, because it doesn't install grub-efi-amd64 but sticks
  to grub-pc

  I've testing with two identical drives in mirror, first with a GPT
  label, then with a MSDOS label. The result is the same, system not
  bootable.

  I have tested with Ubuntu AMD64 11.10 Beta 1, and 11.04. The result is
  the same with both releases.

  I would like to see a true UEFI disto being able to install with all
  functionnalities : RAID, LVM, UEFI, GPT, but there is still some work.

  The system is a brand new HP Ellite 8200 CMT (Core i7, 4G RAM).

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