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Last-minute /boot boost for Fedora 43 (lwn.net)

submitted 2 days ago by cm0002@lemmy.zip to c/linux@programming.dev

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Sudden increases in the size of Fedora's initramfs files have prompted the project to fast-track a proposal to increase the default size of the /boot partition for new installs of Fedora 43 and later. The project has also walked back a few changes that have contributed to larger initramfs files, but the ever-increasing size of firmware means that the need for more room is unavoidable. The Fedora Engineering Steering Council (FESCo) has approved a last-minute change just before the final freeze for Fedora 43 to increase the default size of the /boot partition from 1GB to 2GB; this will leave plenty of space for kernels and initramfs images if a user is installing from scratch, but it is of no help for users upgrading from Fedora 42.

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[–] glitching@lemmy.ml 2 points 1 day ago

I do a custom install with systemd-boot where i have one 2 GB EFI partition that's mounted at /boot; used to be at /efi but it bothered me I can't tab-complete /etc. I've been wanting to give UKI a go but can't get around to it.

[–] SteveTech@aussie.zone 6 points 2 days ago (1 children)

I've always wondered, why do we put the GPU drivers and their firmware into the initramfs? Can't we just rely on the framebuffer drivers until the root partition is mounted? Since most of the firmware size is from GPUs, that should reduce initramfs size, and speed up booting as there's less to load into memory.

[–] RedSnt@feddit.dk 4 points 2 days ago* (last edited 2 days ago)

It's something I noticed this last half year, how the kernel has just ballooned, especially for us nvidia users.

Over on Nobara they did at one point recommend this, but has since been removed from their wiki, but:

echo 'omit_drivers+=" nvidia nvidia-drm nvidia-modeset nvidia-peermem nvidia-uvm "' | sudo tee /usr/lib/dracut/dracut.conf.d/99-nvidia.conf

and then rebuilding initramfs:

sudo dracut -f --regenerate-all

It certainly helps me a lot as I'm stuck with a 1GB /boot partition, although I see why it's not recommended as those with LUKS set up will have problems.