I have a similar problem on 19.04
➜ ~ sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
boot-sav boot-sav-extra glade2script
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up grub-efi-amd64-signed (1.115.1+2.02+dfsg1-12ubuntu2.1) ...
Installing for x86_64-efi platform.
Could not prepare Boot variable: No such file or directory
grub-install: error: efibootmgr failed to register the boot entry: Input/output
error.
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess
returned error exit status 1
dpkg: dependency problems prevent processing triggers for shim-signed:
shim-signed depends on grub-efi-amd64-signed | grub-efi-arm64-signed; however:
Package grub-efi-amd64-signed is not configured yet.
Package grub-efi-arm64-signed is not installed.
dpkg: error processing package shim-signed (--configure):
dependency problems - leaving triggers unprocessed
Errors were encountered while processing:
grub-efi-amd64-signed
udo efibootmgr -v -v -v -c -d /dev/nvme1n1 -p 1 -w -L ubuntu -l
\EFI\ubuntu\shimx64.eadffi
Could not prepare Boot variable: No such file or directory
error trace:
linux.c:406 device_get(): readlink of /sys/block/nvme1n1/device/driver failed:
No such file or directory
util.h:325 get_file(): could not open file
"/sys/devices/pci:80/firmware_node/path" for reading: No such file or
directory
util.h:325 get_file(): could not open file
"/sys/devices/pci:80/firmware_node/hid" for reading: No such file or
directory
linux-acpi.c:63 parse_acpi_hid_uid(): could not read
devices/pci:80/firmware_node/hid: No such file or directory
linux.c:462 device_get(): parsing pci_root failed: No such file or directory
creator.c:194 efi_va_generate_file_device_path_from_esp(): could not get ESP
disk info: No such file or directory
creator.c:349 efi_generate_file_device_path_from_esp(): could not generate
File DP from ESP: No such file or directory
efibootmgr.c:287 make_var(): make_linux_load_option() failed: No such file or
directory
efibootmgr.c:336 make_var(): Could not set variable: No such file or directory
The weird thing is that I have no firmware_node directory at all:
➜ ~ ls -l /sys/devices/pci:80/
total 0
drwxr-xr-x 6 root root0 Dec 5 13:43 :80:00.0
drwxr-xr-x 7 root root0 Dec 5 13:43 :80:01.0
drwxr-xr-x 7 root root0 Dec 5 13:43 :80:01.1
drwxr-xr-x 8 root root0 Dec 5 13:43 :80:02.0
drwxr-xr-x 6 root root0 Dec 5 13:43 :80:02.2
drwxr-xr-x 6 root root0 Dec 5 13:43 :80:03.0
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.0
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.1
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.2
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.3
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.4
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.5
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.6
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:04.7
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:05.0
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:05.2
drwxr-xr-x 3 root root0 Dec 5 13:43 :80:05.4
drwxr-xr-x 3 root root0 Dec 5 13:43 pci_bus
drwxr-xr-x 2 root root0 Dec 5 13:47 power
-rw-r--r-- 1 root root 4096 Dec 5 13:43 uevent
This is on a SuperMicro X9DRi-LN4F+ board.
Thankfully rebooting still works because of the fallback EFI!
After the a reboot I have:
sudo efibootmgr -v
BootCurrent: 0004
Timeout: 1 seconds
BootOrder: ,0004,0005,0008
Boot* ubuntu
HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x10)/File(\EFI\ubuntu\shimx64.efi)
Boot0004* UEFI OS
HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x10)/File(\EFI\BOOT\BOOTX64.EFI)..BO
Boot0005* UEFI: Built-in EFI Shell
VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO
Boot0008* ubuntu
HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x10)/File(\EFI\UBUNTU\GRUBX64.EFI)..BO
But after apt-get install -f the entires are wiped:
sudo efibootmgr -v
BootCurrent: 0004
Timeout: 1 seconds
BootOrder: 0004,0005
Boot0004* UEFI OS
HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x10)/File(\EFI\BOOT\BOOTX64.EFI)..BO
Boot0005* UEFI: Built-in EFI Shell
VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO
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https://bugs.launchpad.net/bugs/1826050
Title:
package grub-efi-amd64-signed 1.115+2.02+dfsg1-12ubuntu2 failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script
