Upgrading From Oracle Solaris 11.2 to Oracle Solaris 11.4 Results in Oracle Grid 12.1.0.1.0 Startup Hang (21511528)

Problem Summary: Oracle Grid startup might hang indefinitely when using Oracle Solaris 11.4 and Oracle Grid 12.1.0.1.0.

Workaround: You can use Oracle Grid 12.1.0.2.0 or later releases to avoid this problem. Contact Oracle support representative to learn whether a workaround or fix is available.