Kirk Strauser <kirk@xxxxxxxxxxxx> writes: > First, shmget is asking for a lot less than shmmax - why is it failing? Check to see if things work as expected when you have shmmax and shmall set to a shade less than 2GB and fail when they are a shade more. If so, it would seem there's a signed-integer-overflow bug somewhere in the kernel's handling of shmem requests ... which would be a reportable kernel bug. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general