The error in your log is: Setting up shim-signed (1.34.9+13-0ubuntu2) ... Installing for x86_64-efi platform. Could not delete variable: Interrupted system call grub-install: error: efibootmgr failed to register the boot entry: Block device required. dpkg: error processing package shim-signed (--configure): installed shim-signed package post-installation script subprocess returned error exit status 1
This appears to indicate there is a problem trying to update the bootloader settings in your nvram. Is it possible you were affected by https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147 ? Do you know of any other reason that your firmware may be read-only? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767276 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/1767276/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
