Re: /dev/random blocking causing i2p router to crash

On Tue, Jun 30, 2026 at 10:49:10AM +0000, [email protected] wrote:
> Caused by: java.io.FileNotFoundException: /dev/random (Too many open 
> files)

You run out of file descriptor allowance.
Things will fail in weird way from this point.

> From what I've researched blocking is a feature of /dev/random if it
> is not ready

OpenBSD uses non-blocking random generator.
man 4 urandom
/dev/random is alias for /dev/urandom:
# ls -l /dev/random
lrwxr-xr-x  1 root  wheel  7 May 24 23:24 /dev/random -> urandom

> so I'm quite stuck on how to go about fixing this.

Raise file descriptors limit for the user running the process.
The defaults are pretty conservative.

man login.conf

Best regards,
Chris Narkiewicz