Path: utzoo!utgpu!watserv1!watmath!att!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!usc!orion.oac.uci.edu!rprohask
From: rprohask@orion.oac.uci.edu (Robert Prohaska)
Newsgroups: comp.unix.aux
Subject: serial port recovery
Keywords: serial port getty locking cu
Message-ID: <27545011.21538@orion.oac.uci.edu>
Date: 29 Nov 90 00:02:25 GMT
Sender: rprohask@orion.oac.uci.edu (Robert Prohaska)
Organization: University of California, Irvine
Lines: 12


How do I recover control of a serial port?  cu reports tty0 
not available, ps shows nothing running, but if I call init 1,
wait a bit, call init 2, wait till the console responds and 
try again it usually works.

If the line is busy and I reboot, the port seems usually to
remain busy.

Any ideas?

bob prohaska