(non-UEFI, Ubuntu 17.04 install) package shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Valery Petrov]

no comment

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-35.39-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
.proc.sys.kernel.moksbstate_disabled: 0
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
BootEFIContents:
 fw
 fwupx64.efi
Date: Fri May 4 11:34:36 2018
DuplicateSignature:
 package:shim-signed:1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1
 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
EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: EFI variables are not supported on this system.
EFITables:
 mai 04 11:28:17 valery-To-be-filled-by-O-E-M fwupd[1748]: disabling plugin because: failed to coldplug uefi: UEFI firmware updating not supported
 mai 04 11:35:42 valery-To-be-filled-by-O-E-M update-notifier.desktop[1970]: diff: /boot/efi/EFI/ubuntu/grubx64.efi: No such file or directory
 mai 04 11:35:42 valery-To-be-filled-by-O-E-M update-notifier.desktop[1970]: diff: /boot/efi/EFI/ubuntu/shimx64.efi: No such file or directory
ErrorMessage: subprocess installed post-installation script returned error exit status 1
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4
SourcePackage: shim-signed
Title: package shim-signed 1.32~17.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Steve Langasek (vorlon)]

While this particular bug is known to still affect more recent versions of Ubuntu, please note that Ubuntu 17.04 has reached end of life and is no longer supported.