"Christopher S Martin" <martin.christopher.s@xxxxxxxxx> writes: > I was previous running postgres 8.2.1 on my OS X 10.4.9 laptop with no problems. > After I sent it to apple care, I found that I can no longer start the > postmaster daemon. When I try, I receive the standard shmget failed > error message: > FATAL: could not create shared memory segment: Cannot allocate memory > DETAIL: Failed system call was shmget(key=5432001, size=4112384, 03600). What are the *actual* sysv parameters, as shown by sysctl -a | grep sysv.shm ? OS X is notoriously unfriendly about letting people change the values it adopts at bootup ... regards, tom lane