The attached dpkg log shows that grub was successfully installed on your
system in EFI mode. But your bug report claims that your system is not
booted in EFI mode, and shows that you are booted into an upstream
'lowlatency' kernel version, not the 4.4.0 kernel that was installed as
part of the Xubuntu installation; and that this lowlatency kernel was
present on your disk at the time that the install was done, which means
you did not reformat the partition that was mounted at /boot as part of
the install; and your /boot/efi is also reported to be empty.
This is not an actionable bug report given the currently available
information. You will need to explain precisely what steps you took
that led you to this situation in order for us to determine if there is
a bug in Ubuntu.
** Changed in: shim-signed (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1738525
Title:
package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
failed to install/upgrade: subprocess installed post-installation
script returned error exit status 1
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