There are three possible causes - firmware bug - kernel bug - user error (read-only variables), though why does that give I/O rather than ENOSPACE
I'm going to reassign this one to linux for a check on the kernel side, but I suspect it's a firmware issue. ** Package changed: shim-signed (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1938163 Title: package shim-signed 1.50+15.4-0ubuntu7 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 Status in linux package in Ubuntu: Confirmed Bug description: idk dude it just popped up at the end of ubuntu's installation ProblemType: Package DistroRelease: Ubuntu 21.04 Package: shim-signed 1.50+15.4-0ubuntu7 ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22 Uname: Linux 5.11.0-25-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] Нет такого файла или каталога: '/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: pass Date: Tue Jul 27 13:11:57 2021 EFITables: июл 27 15:59:33 ilya-Q2542N kernel: efi: EFI v2.31 by American Megatrends июл 27 15:59:33 ilya-Q2542N kernel: efi: ACPI 2.0=0xc98a5000 ACPI=0xc98a5000 SMBIOS=0xca867418 MOKvar=0xc8107000 июл 27 15:59:33 ilya-Q2542N kernel: secureboot: Secure boot disabled июл 27 15:59:33 ilya-Q2542N kernel: secureboot: Secure boot disabled ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2021-07-27 (0 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) Python3Details: /usr/bin/python3.9, Python 3.9.5, python3-minimal, 3.9.4-1 PythonDetails: N/A RelatedPackageVersions: dpkg 1.20.9ubuntu1 apt 2.2.4ubuntu0.1 SecureBoot: 22 0 0 0 0 SourcePackage: shim-signed Title: package shim-signed 1.50+15.4-0ubuntu7 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938163/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
