Old laptop not able to get enough entropy in FreeBSD 11

[RW]

On Tue, 8 Nov 2016 20:24:21 -0800
Jack L. wrote:

> I have an old single core AMD Turion ML-37 laptop that has nothing
> installed. When I boot it up, the moment it displays login:, it hangs
> until i press some random keys. At shutdown, it will hang until I
> press keys and it will not move onto the next line of shutdown until
> I keep pressing keys.
> 
> If I cat /dev/random > ./dev/null while using the laptop, it works
> fine but when nothing is happening, the laptop hangs. Any ideas? It's
> running 11.0-STABLE

FreeBSD's /dev/random isn't supposed to block once it's seeded, so
it's very unlikely this has anything to do with entropy.