Public bug reported: I got this error on post installation and installing nvidia driver. Lenovo M92p mahobay motherboard added nvidia 710 video card.Memory is 12gb.I5 3570 CPU 3.4 Gz Hard drive 480gb Hyundia Sapphir.System run in turbo mode.
ProblemType: Package DistroRelease: Ubuntu 21.04 Package: shim-signed 1.48+15.4-0ubuntu5 ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21 Uname: Linux 5.11.0-22-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: 2.20.11-0ubuntu65.1 Architecture: amd64 BootEFIContents: BOOTX64.CSV grub.cfg grubx64.efi mmx64.efi shimx64.efi CasperMD5CheckResult: unknown Date: Wed Jul 7 12:12:53 2021 EFITables: Jul 07 21:21:33 92pubuntu8 kernel: efi: EFI v2.31 by American Megatrends Jul 07 21:21:33 92pubuntu8 kernel: efi: ACPI=0xdce28000 ACPI 2.0=0xdce28000 SMBIOS=0xf0480 MOKvar=0xd1471000 Jul 07 21:21:33 92pubuntu8 kernel: secureboot: Secure boot disabled Jul 07 21:21:33 92pubuntu8 kernel: secureboot: Secure boot disabled ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1 Python3Details: /usr/bin/python3.9, Python 3.9.5, python3-minimal, 3.9.4-1 PythonDetails: N/A RelatedPackageVersions: dpkg 1.20.9ubuntu1 apt 2.2.3 SecureBoot: 22 0 0 0 0 SourcePackage: shim-signed Title: package shim-signed 1.48+15.4-0ubuntu5 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 hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1934952 Title: package shim-signed 1.48+15.4-0ubuntu5 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/1934952/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs