"Justin S." <cometfly(at)cometfly(dot)com> writes:
> IpcMemoryCreate: shmget failed (Permission denied) key=5432010, size=144,
> permission=700
Apparently you have an existing shm segment belonging to a different
userid. Did you previously start the postmaster under a different user?
If so you'll need to get rid of the old segment (using ipcrm under the
old userid).
7.1 handles this stuff a little more gracefully, btw ...
regards, tom lane