> Is this a virtual machine running a cloud image by any chance?
It is for me, I tried dpkg-reconfigure grub-efi-amd64-signed and it fails like
this:
Setting up grub-efi-amd64-signed (1.202+2.12-1ubuntu7) ...
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess
returned error exit status 1
dpkg: dependency problems prevent configuration of shim-signed:
shim-signed depends on grub-efi-amd64-signed (>= 1.191~) |
grub-efi-arm64-signed (>= 1.191~) | base-files (<< 12.3); however:
Package grub-efi-amd64-signed is not configured yet.
Package grub-efi-arm64-signed is not installed.
Version of base-files on system is 13ubuntu10.1.
shim-signed depends on grub-efi-amd64-signed (>= 1.187.2~) |
grub-efi-arm64-signed (>= 1.187.2~); however:
Package grub-efi-amd64-signed is not configured yet.
Package grub-efi-arm64-signed is not installed.
dpkg: error processing package shim-signed (--configure):
dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup
error from a previous failure.
Errors were encountered while processing:
grub-efi-amd64-signed
shim-signed
E: Sub-process /usr/bin/dpkg returned an error code (1)
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https://bugs.launchpad.net/bugs/2072819
Title:
package grub-efi-amd64-signed 1.202+2.12-1ubuntu7 failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script subprocess returned error exit status 1
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