Unpacking efibootmgr (from .../efibootmgr_0.5.4-7_amd64.deb) ...
Selecting previously unselected package grub-common.
Unpacking grub-common (from .../grub-common_2.00-19ubuntu2.1_amd64.deb) ...
Selecting previously unselected package grub2-common.
Unpacking grub2-common (from .../grub2-common_2.00-19ubuntu2.1_amd64.deb) ...
Selecting previously unselected package grub-efi-amd64-bin.
Unpacking grub-efi-amd64-bin (from .../grub-efi-amd64-bin_2.00-19ubuntu2.1_amd64.deb) ...
Selecting previously unselected package grub-efi-amd64.
Unpacking grub-efi-amd64 (from .../grub-efi-amd64_2.00-19ubuntu2.1_amd64.deb) ...
Selecting previously unselected package grub-efi-amd64-signed.
Unpacking grub-efi-amd64-signed (from .../grub-efi-amd64-signed_1.22.1+2.00-19ubuntu2.1_amd64.deb) ...
Selecting previously unselected package sbsigntool.
Unpacking sbsigntool (from .../sbsigntool_0.6-0ubuntu5_amd64.deb) ...
Selecting previously unselected package linux-signed-image-3.11.0-13-generic.
Unpacking linux-signed-image-3.11.0-13-generic (from .../linux-signed-image-3.11.0-13-generic_3.11.0-13.20_amd64.deb) ...
Selecting previously unselected package linux-signed-image-generic.
Unpacking linux-signed-image-generic (from .../linux-signed-image-generic_3.11.0.13.14_amd64.deb) ...
Selecting previously unselected package linux-signed-generic.
Unpacking linux-signed-generic (from .../linux-signed-generic_3.11.0.13.14_amd64.deb) ...
Selecting previously unselected package secureboot-db.
Unpacking secureboot-db (from .../secureboot-db_1.1_amd64.deb) ...
Selecting previously unselected package shim.
Unpacking shim (from .../shim_0.4-0ubuntu4_amd64.deb) ...
Selecting previously unselected package shim-signed.
Unpacking shim-signed (from .../shim-signed_1.5~13.10.1+0.4-0ubuntu4_amd64.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
Processing triggers for install-info ...
Setting up efibootmgr (0.5.4-7) ...
Setting up grub-common (2.00-19ubuntu2.1) ...
Setting up sbsigntool (0.6-0ubuntu5) ...
Setting up linux-signed-image-3.11.0-13-generic (3.11.0-13.20) ...
warning: file-aligned section .text extends beyond end of file
warning: checksum areas are greater than image size. Invalid section table?
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.11.0-13-generic
Found initrd image: /boot/initrd.img-3.11.0-13-generic
Found linux image: /boot/vmlinuz-3.11.0-12-generic
Found initrd image: /boot/initrd.img-3.11.0-12-generic
Found Windows Recovery Environment (loader) on /dev/sda3
Found Windows 8 (loader) on /dev/sda5
done
Setting up linux-signed-image-generic (3.11.0.13.14) ...
Setting up linux-signed-generic (3.11.0.13.14) ...
Setting up secureboot-db (1.1) ...
Can't access efivars filesystem at /sys/firmware/efi/efivars, aborting
Setting up shim (0.4-0ubuntu4) ...
Processing triggers for ureadahead ...
Setting up grub-efi-amd64-bin (2.00-19ubuntu2.1) ...
Setting up shim-signed (1.5~13.10.1+0.4-0ubuntu4) ...
Setting up grub2-common (2.00-19ubuntu2.1) ...
Setting up grub-efi-amd64 (2.00-19ubuntu2.1) ...

Creating config file /etc/default/grub with new version
source_dir doesn't exist. Please specify --target or --directory
dpkg: error processing grub-efi-amd64 (--configure):
 subprocess installed post-installation script returned error exit status 1