tclwrap <tclwrap(at)worldnet(dot)att(dot)net> writes:
> IpcMemoryCreate: shmget failed (Invalid argument) key=5432001,
> size=1073152, permission=600
> FATAL 1: ShmemCreate: cannot create region
Read the documentation, where this sort of problem is discussed at
length. Also, consider updating to something newer than 6.5.3.
7.1.3 is the current release, and 7.2 is in beta.
regards, tom lane