Public bug reported: Without mount point /sys/firmware/efi/efivars for target system, ubiquity sometimes failed to install bootloader on target system.
May 21 08:21:55 ubuntu ubiquity[29387]: Setting up grub-efi-amd64 (2.02-2ubuntu8) ... May 21 08:21:56 ubuntu ubiquity[29387]: May 21 08:21:56 ubuntu ubiquity[29387]: Creating config file /etc/default/grub with new version May 21 08:21:56 ubuntu ubiquity[29387]: Installing for x86_64-efi platform. May 21 08:21:57 ubuntu ubiquity[29387]: Skipping unreadable variable "Boot0000": Input/output error May 21 08:21:57 ubuntu ubiquity[29387]: Could not prepare Boot variable: Input/output error May 21 08:21:57 ubuntu ubiquity[29387]: grub-install: error: efibootmgr failed to register the boot entry: Input/output error. May 21 08:21:57 ubuntu ubiquity[29387]: Failed: grub-install --target=x86_64-efi May 21 08:21:57 ubuntu ubiquity[29387]: WARNING: Bootloader is not properly installed, system may not be bootable May 21 08:21:57 ubuntu ubiquity[29387]: Setting up grub-efi-amd64-signed (1.93+2.02-2ubuntu8) ... May 21 08:21:57 ubuntu ubiquity[29387]: Installing for x86_64-efi platform. May 21 08:21:58 ubuntu ubiquity[29387]: Skipping unreadable variable "Boot0000": Input/output error May 21 08:21:58 ubuntu ubiquity[29387]: Could not prepare Boot variable: Input/output error May 21 08:21:58 ubuntu ubiquity[29387]: grub-install: error: efibootmgr failed to register the boot entry: Input/output error. May 21 08:21:58 ubuntu ubiquity[29387]: dpkg: error processing package grub-efi-amd64-signed (--configure): May 21 08:21:58 ubuntu ubiquity[29387]: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 May 21 08:21:58 ubuntu ubiquity[29387]: Errors were encountered while processing: May 21 08:21:58 ubuntu ubiquity[29387]: grub-efi-amd64-signed ** Affects: oem-priority Importance: Undecided Status: New ** Affects: ubiquity (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772374 Title: ubiquity need mount point /sys/firmware/efi/efivars To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1772374/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs