Re: How to avoid long startup delay waiting for /dev/random?

On Tue, Dec 15, 2020 at 5:22 PM Grant Edwards <[email protected]>
wrote:

> After upgrading a small embedded system's net-snmp from 5.7.3 to 5.8,
> snmpd now takes a _long_ time to start up. Snmpd used to start
> "instantly", but now it blocks on /dev/random for as long as 3-5
> minutes. This holds up my entire system startup unacceptably.
>
> Is there any way to avoid this disruptive behavior?
>
>
We had a similar problem with docker pausing for 2×60s on startup waiting
for /dev/random to fill up (openssl was suspect.)

We used rngd ot mitigate it. https://wiki.archlinux.org/index.php/Rng-tools

Whether you have sufficient space for it, may be another matter...


-- 
PJH

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