[Bug 1775743] Re: [regression] Cosmic daily images 20180606-11 install but boots to grub prompt on EFI systems

[Łukasz Zemczak]

It seems the subiquity images are not affected. I have first tried the
latest cosmic ubuntu-server-live image and was able to boot correctly
into the system after installation. Then I have tried the old debian-
installer based ubuntu-server images and was able to reproduce the
issue, with the system displaying the grub prompt. This explains why I
was not able to reproduce the issue before (I was using subiquity). Both
on UEFI.

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Title:
  [regression] Cosmic daily images 20180606-11 install but boots to grub
  prompt on EFI systems

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  Cosmic daily images install successfully but then never boot (stuck in
  grub). I've tried a couple of machines.

  Fails: 20180611
  Fails: 20180608
  Fails: 20180607
  Fails: 20180606
  Works: 20180530

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