"Medora Schauer" <mschauer@xxxxxxxxxxxxx> writes: > We are using ver 7.3.4 (old I know but we can't upgrade until early next > year) on a linux 2.4 system and are having some flaky problems with our > apps. They just die at apparently random times. In trying to figure > out what is going on I noticed a couple of messages in pg.log that > concern me: > FATAL: unsupported frontend protocol This suggests that you have some 7.4-or-later clients out there. They will try to connect using the 7.4 protocol, fail as above, and fall back to the older protocol. Nothing to worry about. > WARNING: Message from PostgreSQL backend: > The Postmaster has informed me that some other backend > died abnormally and possibly corrupted shared memory. This is bad, but it's unrelated to the other message, and you didn't show us the message that it *is* related to. regards, tom lane
