Bug#904125: systemd: system startup stops unless root logs in in text mode

[Ara Keary]

> VMs are typically more prone to have low entropy during bootup and there
> are some mitigations for that (like installing something like haveged or
> using virtio rng).
>
Hi,
i confirm that installing haveged solves the issue (no need anymore to
produce hand-made entropy at startup)
best,
Ara