[Bug 1478848] [NEW] Grub efi does not execute /efi/boot/grub.cfg and goes in shell mode

[Nicolas Gama]

Public bug reported:

After installing Ubuntu 15.04 in efi mode, grub efi amd64 does not boot properly:
when the computer boots, it goes directly into grub shell mode, 
it does not execute the grub.cfg configuration file in the efi partition (either /efi/boot/grub.cfg  or /efi/ubuntu/grub.cfg, depending on whereas the --removable option was provided or not).

from the grub shell, executing the following command resumes normal boot operations.
configfile /efi/boot/grub.cfg
or
configfile /efi/ubuntu/grub.cfg


Reproduce this bug:

install grub with:
the alternate cd (regular ubuntu installation)
or 
grub-install --target x86_64-efi --efi-directory ... --root-directory ... 
or 
grub-install --target x86_64-efi --efi-directory ... --root-directory ... --removable

and try to reboot.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: grub-efi-amd64 2.02~beta2-22ubuntu1.1
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CurrentDesktop: LXDE
Date: Tue Jul 28 10:51:54 2015
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1478848

Title:
  Grub efi does not execute /efi/boot/grub.cfg and goes in shell mode

Status in grub2 package in Ubuntu:
  New

Bug description:
  After installing Ubuntu 15.04 in efi mode, grub efi amd64 does not boot properly:
  when the computer boots, it goes directly into grub shell mode, 
  it does not execute the grub.cfg configuration file in the efi partition (either /efi/boot/grub.cfg  or /efi/ubuntu/grub.cfg, depending on whereas the --removable option was provided or not).

  from the grub shell, executing the following command resumes normal boot operations.
  configfile /efi/boot/grub.cfg
  or
  configfile /efi/ubuntu/grub.cfg

  
  Reproduce this bug:

  install grub with:
  the alternate cd (regular ubuntu installation)
  or 
  grub-install --target x86_64-efi --efi-directory ... --root-directory ... 
  or 
  grub-install --target x86_64-efi --efi-directory ... --root-directory ... --removable

  and try to reboot.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: grub-efi-amd64 2.02~beta2-22ubuntu1.1
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Tue Jul 28 10:51:54 2015
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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