Article 50EP8 Can't boot from external SSD (EFI)

Can't boot from external SSD (EFI)

by
keeneadt
from LinuxQuestions.org on (#50EP8)
The problem is that i can boot on PC where i installed slackware, but can't boot on any other PC. Slackware is in EFI mode
Code:lsblk -f /dev/sde
a"a"sde1 vfat FAT32 VIDEO E9ED-850A
a"a"sde2 swap 1 4c911b95-6efc-4f64-bccc-1f6fa94951ce
a"a"sde3 ext4 1.0 0973e63a-5a92-454b-82ab-d73c762bcafc
a""a"sde4 ext4 1.0 39835527-5583-4167-9437-34aba65315cbOn other PCs (by other i mean not the one i installed slackware on) there is no boot entry with my external ssd. Even if i force to boot it from UEFI (BIOS) directly, it ended up with 'No bootable media found...'

My esp partition:
Code:boot/efi/
a""a"a" EFI
a""a"a" Slackware
a"a"a" elilo.conf
a"a"a" elilo.conf.backup
a"a"a" elilo.conf~
a"a"a" elilo.efi
a"a"a" initrd-5.4.24.gz
a"a"a" vmlinuz-generic-5.4.24
a"a"a" vmlinuz-huge-5.4.21
a""a"a" vmlinuz-huge-5.4.23

2 directories, 8 filesI've tried to:
- mount ESP to /EFI and /boot/EFI instead of default /boot/efi
- rename Slackware in EFI to BOOT
- rename elilo.efi to BOOTX64.EFI
- all the things in different combinations.
In UEFI (BIOS) i have secure boot and fast boot turned off. I've tried to switch between legacy and uefi only mode - no success. Does anybody have experience with slackware in efi mode on external SSD?latest?d=yIl2AUoC8zA latest?i=ukWYmHoLMJg:B9m51O3GqdQ:F7zBnMy latest?i=ukWYmHoLMJg:B9m51O3GqdQ:V_sGLiP latest?d=qj6IDK7rITs latest?i=ukWYmHoLMJg:B9m51O3GqdQ:gIN9vFwukWYmHoLMJg
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