Latest from lorikeet:
http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=lorikeet&dt=2016-08-26%2008%3A37%3A27
TRAP: FailedAssertion("!(vmq->mq_sender == ((void *)0))", File: "/home/andrew/bf64/root/REL9_6_STABLE/pgsql.build/../pgsql/src/backend/storage/ipc/shm_mq.c", Line: 220)
Thoughts?
regards, tom lane