Public bug reported:
After upgrading a system from bionic to focal, grub-install began to
fail:
$ sudo /usr/sbin/grub-install
Installing for x86_64-efi platform.
/usr/sbin/grub-install: warning: Internal error.
/usr/sbin/grub-install: error: failed to register the EFI boot entry: Operation
not permitted.
The issue seems to stem from libefiboot1. With upstream release 35:
# LD_PRELOAD=/home/ubuntu/efivar/src/libefiboot.so /bin/efibootmgr -q -c -d
/dev/nvme0n1 -p 1 -w -L grub -l \\EFI\\grub\\grubx64.efi -v
#
But with 36:
# LD_PRELOAD=/home/ubuntu/efivar/src/libefiboot.so /bin/efibootmgr -q -c -d
/dev/nvme0n1 -p 1 -w -L grub -l \\EFI\\grub\\grubx64.efi -vCould not prepare
Boot variable: No such file or directory
git bisect of upstream efivars hit the following commit:
# first bad commit: [ff696a432bf92af1206e235a60ad28b58ff0ab92] Move nvme
parsing to linux-nvme.c
** Affects: efivar (Ubuntu)
Importance: Undecided
Status: New
** Affects: efivar (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: efivar (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: efivar (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: efivar (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1891718
Title:
[Regression] breaks GRUB install on an nvme device
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