[systemd-devel] Issues with parallelised early boot

[Michal Koutný]

Hello Naïm.

On Sat, Nov 26, 2022 at 01:59:53PM +0100, Naïm Favier <n+systemd at monade.li> wrote:
> When using systemd as PID 1 in the initrd, there is no sequencing between loading kernel modules
> (systemd-modules-load.service) and starting udev (systemd-udevd.service).
> I load my graphics driver (amdgpu) with systemd-modules-load, which takes about three seconds,
> so it finishes loading after udev has started and picked up the initial events, and while the
> LUKS passphrase prompt is waiting for my input.

Perhaps a slightly different angle -- is the graphics driver necessary
to mount the main root FS? (IIUC, you can enter the passphrase even
without it? Then you could build a smaller initrd and load the driver
later (when visual artifacts won't be hopefully distracting))

Michal
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