How to load fallback initramfs? about sbupdate HOT 5 CLOSED

This way you are bundling two initramfs inside. You need to pass one:
INITRD[linux]=/boot/initramfs-linux-fallback.img

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I want to be able to boot a same kernel with either the default initramfs, or the fallback one. Is there a way to specify that it builds two separate efi images with the same kernel, but different initramfs?

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Hi,

Currently there is no support for multiple initramfs per kernel. It is on the TODO list.

If your /boot supports symlinks, then, as a workaround, you can create a symlink /boot/vmlinuz-linux-fallback pointing to vmlinuz-linux. Then it should be automatically matched with /boot/initramfs-linux-fallback.img.

Or you can also use linux-lts as a fallback.

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@kustodian keep in mind that unless you have some ancient hardware, booting from non-fallback initramfs doesn't have any benefits. By using both you would only waste space.

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You're probably right. When I added autodetect hook to initramfs it reduced the size of it to about a half and I could feel the difference in boot times, because initramfs loaded faster. But now when I configured secure boot and generated a single efi binary, there isn't much of a difference, because the whole boot process is slower anyway. I'll just remove autodetect and it will be the same as fallback.

Thanks for your help and for writing and awesome tool.

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