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/pci0000:80/firmware_node/path" for reading: No such file or directory util.h:325 get_file(): could not open file "/sys/devices/pci0000:80/firmware_node/hid" for reading: No such file or directory linux-acpi.c:63 parse_acpi_hid_uid(): could not read devices/pci0000:80/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/pci0000:80/ total 0 drwxr-xr-x 6 root root 0 Dec 5 13:43 0000:80:00.0 drwxr-xr-x 7 root root 0 Dec 5 13:43 0000:80:01.0 drwxr-xr-x 7 root root 0 Dec 5 13:43 0000:80:01.1 drwxr-xr-x 8 root root 0 Dec 5 13:43 0000:80:02.0 drwxr-xr-x 6 root root 0 Dec 5 13:43 0000:80:02.2 drwxr-xr-x 6 root root 0 Dec 5 13:43 0000:80:03.0 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.0 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.1 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.2 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.3 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.4 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.5 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.6 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:04.7 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:05.0 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:05.2 drwxr-xr-x 3 root root 0 Dec 5 13:43 0000:80:05.4 drwxr-xr-x 3 root root 0 Dec 5 13:43 pci_bus drwxr-xr-x 2 root root 0 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: 0000,0004,0005,0008 Boot0000* ubuntu HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x100000)/File(\EFI\ubuntu\shimx64.efi) Boot0004* UEFI OS HD(1,GPT,ec6bfb51-9755-4b96-853f-3c11ecd3b8c2,0x800,0x100000)/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-3c11ecd3b8c2,0x800,0x100000)/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-3c11ecd3b8c2,0x800,0x100000)/File(\EFI\BOOT\BOOTX64.EFI)..BO Boot0005* UEFI: Built-in EFI Shell VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. 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 subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1826050/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
