Public bug reported: As it says
ProblemType: Package DistroRelease: Ubuntu 18.04 Package: shim-signed 1.34.9+13-0ubuntu2 ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15 Uname: Linux 4.15.0-15-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: 2.20.9-0ubuntu7 Architecture: amd64 Date: Sun Apr 29 09:05:15 2018 EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: EFI variables are not supported on this system. EFITables: Apr 29 09:19:49 brian-pc fwupd[1816]: disabling plugin because: failed to startup uefi: UEFI firmware updating not supported ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2017-07-23 (279 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170717) Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2 apt 1.6.1 SourcePackage: shim-signed Title: package shim-signed 1.34.9+13-0ubuntu2 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: shim-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package bionic need-duplicate-check -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767767 Title: package shim-signed 1.34.9+13-0ubuntu2 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/shim-signed/+bug/1767767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs