How to fix the urandom warning(s) missed due to ratelimiting - warning

[MuthukumarSEKAR]

Hello,

In the imx8 bootup, we are seeing below warning in our custom board.

[ 7.707389] random: crng init done
[ 7.710810] random: 7 urandom warning(s) missed due to ratelimiting

# dmesg | grep urandom
[ 4.346356] random: systemd: uninitialized urandom read (16 bytes read)
[ 4.379455] random: systemd: uninitialized urandom read (16 bytes read)
[ 4.403426] random: systemd: uninitialized urandom read (16 bytes read)
[ 7.710810] random: 7 urandom warning(s) missed due to ratelimiting

How to fix this warning? 

Thanks for the advance.

Platform: imx8

Linux kernel version: imx-4.14.98

BRs,

Muthukumar.S

[AldoG]

Hello,

The log message random: 7 urandom warning(s) missed due to ratelimiting
Is shown for skipped messages that are (typically) repeated messages, so you've missed 7 lines of the same message you already seen 3 times.

Which is the other warning message you have seen:
random: systemd: uninitialized urandom read (16 bytes read)

This one is shown because udev starts before crng is ready.

Usually this does not cause a major issue on the system, but this warnings can be addressed using a method like the one in here:
https://forums.gentoo.org/viewtopic-p-8539624.html

Best regards/Saludos,
Aldo.