Leo Famulari <leo@famulari.name> skribis:

> On Wed, Dec 20, 2017 at 11:19:36AM +0100, Ludovic Courtès wrote:
>> There’s a ‘user-processes’ service that serves a similar purpose.
>> 
>> With the attached patches ‘urandom-seed’ becomes a dependency of
>> ‘user-processes’, meaning that daemons & co. start after
>> ‘urandom-seed’.
>> 
>> WDYT?
>
> In general, I think it's a good approach.
>
> Currently, the urandom-seed-service seems to non-deterministically but
> typically start after the udev-service, so that /dev/hwrng is always set
> up by udev before the urandom-seed-service tries to use it.
>
> With these patches, that's not the case. This breaks the hwrng seeding
> feature added in 9a56cf2b5b (services: urandom-seed: Try using a HWRNG
> to seed the Linux CRNG at boot).
>
> I'll try rearranging the service dependency graph.

The attached patch does the trick, AFAICS: