[Bug 1526608] Re: package grub-efi-amd64 2.02~beta2-9ubuntu1.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 - on macbook pro

[shirish]

Could it be because the /boot/efi is HFS+ formatted and mounted as read
only ? I tried re doing the same thing but there is no mention of grub-
efi in syslog. If it is because of HFS+ formatting is there any work
around to get this working ?

Here is the output of 
parted -l
 
Model: ATA KINGSTON SV300S3 (scsi)
Disk /dev/sda: 480GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End    Size    File system     Name            Flags
 1      1049kB  538MB  537MB   hfs+            Apple HFS/HFS+
 2      538MB   463GB  462GB   ext4
 3      463GB   480GB  17.1GB  linux-swap(v1)


WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sda: 480.1 GB, 480103981056 bytes
255 heads, 63 sectors/track, 58369 cylinders, total 937703088 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1     1050623      525311+  ee  GPT
/dev/sda2   *     1050624   904273919   451611648   83  Linux
/dev/sda3       904273920   937701375    16713728   82  Linux swap / Solaris

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https://bugs.launchpad.net/bugs/1526608

Title:
  package grub-efi-amd64 2.02~beta2-9ubuntu1.6 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 1 - on macbook pro

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  Installing for x86_64-efi platform.
  grub-install: error: cannot open `/boot/efi/EFI/ubuntu/System/Library/CoreServices/boot.efi': Read-only file system.
  dpkg: error processing package grub-efi-amd64 (--configure):
   subprocess installed post-installation script returned error exit status 1
  dpkg: dependency problems prevent configuration of grub-efi-amd64-signed:
   grub-efi-amd64-signed depends on grub-efi-amd64 (= 2.02~beta2-9ubuntu1.6); however:
    Package grub-efi-amd64 is not configured yet.

  dpkg: error processing package grub-efi-amd64-signed (--configure):
   dependency problems - leaving unconfigured

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: grub-efi-amd64 2.02~beta2-9ubuntu1.6
  ProcVersionSignature: Ubuntu 3.16.0-55.74~14.04.1-generic 3.16.7-ckt19
  Uname: Linux 3.16.0-55-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  Date: Wed Dec 16 10:15:32 2015
  DuplicateSignature: package:grub-efi-amd64:2.02~beta2-9ubuntu1.6:subprocess installed post-installation script returned error exit status 1
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationDate: Installed on 2015-07-13 (155 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-55-generic.efi.signed root=UUID=42d7e066-a7ce-45e4-98bb-748772ce2a18 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.5
   apt  1.0.1ubuntu2.10
  SourcePackage: grub2
  Title: package grub-efi-amd64 2.02~beta2-9ubuntu1.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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