Markus Pscheidt wrote: > Hello, > > while on Ubuntu kernel 2.6.28-14-generic Postgres 8.3.7-1 works fine, it > doesn't start on Ubuntu 9.04, kernel 2.6.28-15-generic. Following is the log > output of 'sudo /etc/init.d/postgresql-8.3 start': > 2009-09-08 08:17:52 CAT FATAL: could not create shared memory segment: > Invalid argument > parameter. You can either reduce the request size or reconfigure the kernel > with larger SHMMAX. To reduce the request size (currently 38207488 bytes), > reduce PostgreSQL's shared_buffers parameter (currently 4096) and/or its > max_connections parameter (currently 103). Your new kernel seems to have a smaller setting for its shared memory limits than your old kernel. Or perhaps something else is using more of it. See the manuals for details on how to set a higher limit in /etc/sysctl.conf and see if that does it. -- Richard Huxton Archonet Ltd -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general