PG Bug reporting form <noreply(at)postgresql(dot)org> writes: > On some servers, we began to encounter the "strange" behavior of > postgresql. > When shutting down the server at the command of UPS (shutdown now). The next > time you turn on postgresql, it gets smart shutdown immediately at startup
Something is sending the server a SIGTERM signal. This is not a Postgres bug, it's something else in your system doing something it shouldn't.