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Limine 9.0 Bootloader Drops EXT4 File-System Support (www.phoronix.com)

submitted 5 days ago* (last edited 5 days ago) by cm0002@lemmy.world to c/linux@programming.dev

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Limine 9.0 is out today as the newest major release for this open-source modern multi-protocol bootloader and boot manager. Limine also boasts its own Limine Boot Protocol in addition to the native Linux support and chainloading/multiboot capabilities.

One change that will surprise some readers is Limine 9.0 doing away with EXT4 file-system support as well as older EXT2 and EXT3 support. The change-log notes of dropping the EXT4 file-system support:

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[–] Cris_Color@lemmy.world 8 points 5 days ago (10 children)

Limine instead is focusing on the FAT32 file-system support and ISO9660 for boot medium storage.

That seems odd...? I'd love if anyone more knowledgable could chime in, why build a new bootloader and focus on FAT32...?

I generally associate the FAT filesystems with windows (no idea how accurate that is, probably not very), and I think most of linux is ext4 and moving towards btrfs and other newer filesystems

Windows doesn't need a bootloader, and I can't think of a time I heard of linux using FAT32, is that different in the enterprise or BSD world? What is a bootloader focused on FAT32 and ISO9660 for?

[–] her01n@programming.dev 13 points 5 days ago* (last edited 5 days ago) (5 children)

UEFI standard requires a FAT32 partition. It is usually a first partition on disk, 500MB in size. The linux kernel to boot, together with initrams disk can be placed in the root partition, usually ext4 or btrfs, or it can be placed in uefi partition. Limine will only support booting the kernel from uefi fat32 partition to avoid having to support ext4 and btrfs filesystems. The root partition will still be ext4 or btrfs, the code to mount it would be in kernel or in initramfs. Edit: size of uefi partition

[–] krnpnk@feddit.org 6 points 5 days ago (1 children)

Surely you meant MB 🙂

[–] massive_bereavement@fedia.io 3 points 5 days ago

For when you want every kernel version.

You can call that partition: EVERYONE

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