[Bug 1456038] [NEW] grub drops to command line on boot

[Herminio]

Public bug reported:

I installed Ubuntu-GNOME on my 2009 MacBook Pro. After reboot I get
dropped into a grub command line. When I hit exit I boot into OS X. In
order to boot into Ubuntu I need to hit the ALT button on reboot.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: grub (not installed)
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon May 18 00:07:41 2015
InstallationDate: Installed on 2015-05-18 (0 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug vivid

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https://bugs.launchpad.net/bugs/1456038

Title:
  grub drops to command line on boot

Status in grub package in Ubuntu:
  New

Bug description:
  I installed Ubuntu-GNOME on my 2009 MacBook Pro. After reboot I get
  dropped into a grub command line. When I hit exit I boot into OS X. In
  order to boot into Ubuntu I need to hit the ALT button on reboot.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: grub (not installed)
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Mon May 18 00:07:41 2015
  InstallationDate: Installed on 2015-05-18 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub
  UpgradeStatus: No upgrade log present (probably fresh install)

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