[Bug 1575813] Re: Dual boot does not work after upgrade to 16.04

[gamx]

Not so fast. Before filing the bug report I had already checked that. Here is the deal. If I uncomment the second UEFI entry in my fstab and I try to mount /boot/efi it does not work at all. If I uncomment the first it mounts the partition. However,  in neither case I can boot the windows. In both cases it complains about not finding b032ab5d-1a06-4b52-afcb-14954b4b6ab8
So, there is definitely something wrong here. I do not understand why there are two UEFI entries in my fstab, by the way.

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https://bugs.launchpad.net/bugs/1575813

Title:
  Dual boot does not work after upgrade to 16.04

Status in shim-signed package in Ubuntu:
  Invalid

Bug description:
  I upgraded from 15.10 to 16.04. The process was not completed
  apparently due a problem with shim-signed. I now find the following
  message every time I try to update the system:

  Setting up shim-signed (1.12+0.8-0ubuntu2) ...
  Installing for x86_64-efi platform.
  grub-install: error: cannot find EFI directory.
  dpkg: error processing package shim-signed (--configure):
   subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
   shim-signed
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  Furthermore, I have a dual boot system with Windows and Ubuntu but
  only the latter works. Something seems to have gone south with UEFI. I
  attach the efibootmgr output. My /etc/fstab looks as follows

  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  # / was on /dev/sda10 during installation
  UUID=5cc07bc2-7247-40b6-8290-7edef8b4a39d /               ext4    errors=remount-ro 0       1
  # /boot was on /dev/sda9 during installation
  #UUID=b22addc5-b969-47bf-a154-f91b6a137dd6 /boot           ext4    defaults        0       2
  # /home was on /dev/sda11 during installation
  UUID=0aa517c8-aed2-446f-91c2-ecb573598a6d /home           ext4    defaults        0       2
  # swap was on /dev/sda8 during installation
  #UUID=64342e46-54ea-46bf-826e-5667367e2301 none            swap    sw              0       0
  /dev/mapper/cryptswap1 none swap sw 0 0
  UUID=b22addc5-b969-47bf-a154-f91b6a137dd6	/boot	ext4	defaults	0	2
  #UUID=5251-F902	/boot/efi	vfat	defaults	0	1
  #UUID=b032ab5d-1a06-4b52-afcb-14954b4b6ab8	/boot/efi	/dev/sda1: PARTLABEL=	defaults	0	1

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