Hi, I should read all Postgresql FAQ's. The answer is right there. For some reason (probably a mistake), I disable IPC in the kernel. Rebuilding it, fixed the problem. Thanks for the suggestion Eric. []s, Mario O.de Menezes "Many are the plans in a man's heart, but IPEN-CNEN/SP is the Lord's purpose that prevails" http://curiango.ipen.br/~mario Prov. 19.21