*** This bug is a duplicate of bug 1896127 *** https://bugs.launchpad.net/bugs/1896127
Public bug reported: I got this error after I upgraded from 18.04 to 20.4. ProblemType: Package DistroRelease: Ubuntu 20.04 Package: shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled' ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 BootEFIContents: BOOTX64.CSV grub.cfg grubx64.efi mmx64.efi shimx64.efi CasperMD5CheckResult: skip Date: Sat Oct 3 16:11:23 2020 DuplicateSignature: package:shim-signed:1.40.4+15+1552672080.a4a1fbe-0ubuntu2 Setting up shim-signed (1.40.4+15+1552672080.a4a1fbe-0ubuntu2) ... dpkg: error processing package shim-signed (--configure): installed shim-signed package post-installation script subprocess returned error exit status 1 EFIBootMgr: BootCurrent: 0000 Timeout: 1 seconds BootOrder: 0002,0000 Boot0000* ubuntu HD(1,GPT,d6b23e00-ef2e-4b5b-9070-59df10e946c2,0x800,0x82000)/File(\EFI\UBUNTU\SHIMX64.EFI) Boot0002* Windows Boot Manager HD(1,GPT,d6b23e00-ef2e-4b5b-9070-59df10e946c2,0x800,0x82000)/File(\EFI\MICROSOFT\BOOT\BOOTMGFW.EFI)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}.................... ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1 GrubDiff: Binary files /boot/efi/EFI/ubuntu/grubx64.efi and /usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed differ InstallationDate: Installed on 2020-03-28 (188 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2ubuntu0.1 SecureBoot: 6 0 0 0 0 ShimDiff: Binary files /boot/efi/EFI/ubuntu/shimx64.efi and /usr/lib/shim/shimx64.efi.signed differ SourcePackage: grub2 Title: package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1898347 Title: package shim-signed 1.40.4+15+1552672080.a4a1fbe-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1898347/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs