trusty upgrade: grub-install fails with odd file error

Grub-efi-amd64 package upgrade to trusty (from saucy) fails. I get an odd error when running

dpb@starbuck:grub-efi-amd64$ sudo apt-get -f install grub-efi-amd64
Reading package lists... Done
Building dependency tree
Reading state information... Done
grub-efi-amd64 is already the newest version.
The following packages were automatically installed and are no longer required:
  blt gnome-control-center-unity libalgorithm-c3-perl libamd2.2.0 libavformat53:i386 libboost-date-time1.53.0 libboost-iostreams1.53.0 libboost-python1.53.0 libboost-signals1.53.0 libboost-system1.53.0 libboost-thread1.53.0
  libcdt4 libcgraph5 libclass-c3-perl libclass-c3-xs-perl libcmis-0.3-3 libcolamd2.7.1 libcurl3-gnutls:i386 libdb5.1:i386 libebackend-1.2-6 libedata-book-1.2-17 libedata-cal-1.2-20 libexplain30 libfftw3-3 libfm-gtk-bin libgraph4
  libgvpr1 libgweather-3-3 libhud-client2 libllvm3.3 libllvm3.3:i386 libmng1:i386 libmro-compat-perl libpoppler43 libprocps0 libqpdf10 librhythmbox-core7 libseccomp1 libsecret-1-0:i386 libswscale2:i386 libtidy-0.99-0
  libumfpack5.4.0 libwebp4:i386 libwebp4 libxcb-sync0 linux-headers-3.10.0-0 linux-headers-3.10.0-0-generic linux-headers-3.10.0-1 linux-headers-3.10.0-1-generic linux-headers-3.10.0-2 linux-headers-3.10.0-2-generic
  linux-headers-3.10.0-3 linux-headers-3.10.0-3-generic linux-headers-3.11.0-11 linux-headers-3.11.0-11-generic linux-headers-3.11.0-12 linux-headers-3.11.0-12-generic linux-headers-3.11.0-4 linux-headers-3.11.0-4-generic
  linux-headers-3.11.0-9 linux-headers-3.11.0-9-generic linux-headers-3.9.0-7 linux-headers-3.9.0-7-generic linux-image-3.10.0-0-generic linux-image-3.10.0-1-generic linux-image-3.10.0-2-generic linux-image-3.10.0-3-generic
  linux-image-3.11.0-11-generic linux-image-3.11.0-12-generic linux-image-3.11.0-4-generic linux-image-3.11.0-9-generic linux-image-3.9.0-7-generic linux-image-extra-3.11.0-12-generic openbox-themes openjdk-7-jre-lib python-apsw
  python-beautifulsoup python-imaging-compat python-utidylib vgabios
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n]
Setting up grub-efi-amd64 (2.02~beta2-6) ...
Installing for x86_64-efi platform.
grub-install: error: Can't create file: No such file or directory.
dpkg: error processing package grub-efi-amd64 (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 grub-efi-amd64
E: Sub-process /usr/bin/dpkg returned an error code (1)

Then, I follow-on with:

# grub-install
grub-install: error: Can't create file: No such file or directory.

I will attach the -v output to the bug, I'm afraid it doesn't shed any more light on the problem for me.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: grub-efi-amd64 2.02~beta2-6
ProcVersionSignature: Ubuntu 3.11.0-15.25-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Feb 19 20:46:54 2014
InstallationDate: Installed on 2012-03-27 (694 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac (20120327.1)
SourcePackage: grub2
UpgradeStatus: Upgraded to trusty on 2014-02-18 (1 days ago)