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
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https://bugs.launchpad.net/bugs/1772374
Title:
ubiquity need mount point /sys/firmware/efi/efivars
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