SOLVED! With firewall off and pf disabled I spotted a process intended to keep an audit trail of Internet access. I uninstalled it and hey presto. Thanks for your help, everyone! Glad to see my macbook is not haunted. Regards, Fritz On Wed, Jul 22, 2015 at 9:23 AM, Chris Mair <chris@xxxxxxxx> wrote: > The plot thickens... > > Here, on OS X 10.10.4 it works every time and every line entered shows > up in terminal 1 instantly (as it should). > > If you ping 127.0.0.1 for some time you do have 0% loss, right? > > At this point I'd try to look at the OS X logs. Firewall is off right? > Try to stop other software (any virtualization software, obscure network > tools?)... > -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general