Performance Issue With OpenSSL 1.1.1c

Hal Murray hmurray at megapathdsl.net
Wed May 29 01:55:54 UTC 2019


jayf0ster at roadrunner.com said:
> I think I have tracked down the change in 1.1.1c that is causing this.   It
> is the addition of the DEVRANDOM_WAIT functionality for linux in  e_os.h and
> crypto/rand/rand_unix.c.  lighttpd (libcrypto) is waiting in  a select() call
> on /dev/random.  ...

I have seen similar delays that don't involve OpenSSL.

[   10.585102] [drm] Initialized qxl 0.1.0 20120117 for 0000:00:02.0 on minor 0
[   10.605881] EDAC sbridge: Seeking for: PCI ID 8086:3ca0
[   10.605887] EDAC sbridge:  Ver: 1.1.2
[  540.286117] random: crng init done
[  540.287631] random: 7 urandom warning(s) missed due to ratelimiting

May 18 20:59:00 ntp1 kernel: [drm] Initialized qxl 0.1.0 20120117 for 
0000:00:02.0 on minor 0
May 18 21:09:55 ntp1 kernel: random: crng init done


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