Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!rutgers!cmcl2!adm!news
From: tlas7%mmc.darmstadt-emh1.army.mil@darmstadt-emh1.army.mil ( LASSO 32D AADCOM MMC)
Newsgroups: comp.unix.questions
Subject: "Unkillable" processes
Message-ID: <26679@adm.brl.mil>
Date: 26 Apr 91 06:37:45 GMT
Sender: news@adm.brl.mil
Lines: 2

Have you tried using fuser -ku /dev/port.  This always works for me if kill -9
doesn't work.