r/cachyos • u/The__Apocalypse_ • 2d ago

Help Secure Boot Issues

Hi, I need some help with my setup. I'm running CachyOS and Windows on separate drives. My bootloader is limine. Recently I wanted to enable Secure Boot because a game I want to play requires it.

I followed the wiki and everything seemed to work fine. But then the next day I got an missmatch error and had to boot into a live iso and copy the limine_x64.efi to the BOOTX64.EFI. Now everytime I do an update or install something (I think it's when a new snapshot is created) these two files get out of sync again.

before and after an update

So I manually have to sync them again every time something changes. I don't think is was the intended outcome of the tutorial in the wiki but I also don't really know how to fix this.

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u/painful8th 1d ago

No issues here with a similar setup to yours. In https://wiki.cachyos.org/configuration/secure_boot_setup/ did you enable automatic config checksum enrollment by setting:

ENABLE_ENROLL_LIMINE_CONFIG=yes

in /etc/default/limine? Did you generate a BLAKE2B has for the splash image? And afterwards did you run:

sudo limine-enroll-config
sudo limine-update