package shim-signed 1.45+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: el subproceso instalado paquete shim-signed script post-installation devolvió el código de salida de error 1
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| shim-signed (Ubuntu) |
Expired
|
Undecided
|
Unassigned | ||
Bug Description
That just pop.
ProblemType: Package
DistroRelease: Ubuntu 20.10
Package: shim-signed 1.45+15+
ProcVersionSign
Uname: Linux 5.8.0-25-generic x86_64
NonfreeKernelMo
.proc.sys.
ApportVersion: 2.20.11-0ubuntu50
AptOrdering:
shim-signed:amd64: Install
NULL: ConfigurePending
Architecture: amd64
BootEFIContents:
BOOTX64.CSV
grub.cfg
grubx64.efi
mmx64.efi
shimx64.efi
CasperMD5CheckR
Date: Sat Oct 24 09:02:02 2020
EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: EFI variables are not supported on this system.
EFITables:
ErrorMessage: el subproceso instalado paquete shim-signed script post-installation devolvió el código de salida de error 1
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-0ubuntu1
PythonDetails: N/A
RelatedPackageV
dpkg 1.20.5ubuntu2
apt 2.1.10
SourcePackage: shim-signed
Title: package shim-signed 1.45+15+
UpgradeStatus: No upgrade log present (probably fresh install)

Did you install this machine in EFI mode, but then booted it bios-style using CSM? Or like migrate the installed system to an older machine or something?