Hi Steve, On Sun, Nov 22, 2020 at 12:20:06AM +0000, Steve McIntyre wrote: > Could I ask you to please try the package versions from > > https://people.debian.org/~93sam/efivar/ > > and confirm that they're good for you?
Yes, that works. # grub-install /dev/nvme0n1 Installing for x86_64-efi platform. grub-install: warning: efivarfs_get_variable: open(/sys/firmware/efi/efivars/blk0-47c7b225-c42a-11d2-8e57-00a0c969723b): No such file or directory. grub-install: warning: efi_get_variable: ops->get_variable failed: No such file or directory. grub-install: warning: device_get: readlink of /sys/block/(null)/device failed: No such file or directory. grub-install: warning: open_disk: could not open disk: No such file or directory. grub-install: warning: efi_va_generate_file_device_path_from_esp: could not open disk: No such file or directory. grub-install: warning: efi_generate_file_device_path_from_esp: could not generate File DP from ESP: No such file or directory. grub-install: error: failed to register the EFI boot entry: No such file or directory. # wget https://people.debian.org/~93sam/efivar/libefiboot1_37-2+deb10u1_amd64.deb # apt install ./libefiboot1_37-2+deb10u1_amd64.deb # grub-install /dev/nvme0n1 Installing for x86_64-efi platform. Installation finished. No error reported. # efibootmgr -v BootCurrent: 000B Timeout: 5 seconds BootOrder: 000B,000C,0009,000A,0003 Boot0003* UEFI: Built-in EFI Shell VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO Boot0009* (B1/D0/F0) UEFI: PXE IPv4 Intel(R) I350 Gigabit Network Connection(MAC:3cecef2221e8) PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x0)/MAC(3cecef2221e8,1)/IPv4(0.0.0.00.0.0.0,0,0)..BO Boot000A* (B1/D0/F1) UEFI: PXE IPv4 Intel(R) I350 Gigabit Network Connection(MAC:3cecef2221e9) PciRoot(0x0)/Pci(0x1,0x0)/Pci(0x0,0x1)/MAC(3cecef2221e9,1)/IPv4(0.0.0.00.0.0.0,0,0)..BO Boot000B* debian HD(1,GPT,684729d1-2765-4651-9376-909a41d833e0,0x800,0x106000)/File(\EFI\debian\shimx64.efi) (libefiboot1 update is enough for me, but I did check that it still works with your libefivar1 installed as well. Out of your updated packages I only have libefiboot1 and libefivar1.) Cheers, Andy