Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!mcdchg!ddsw1!karl
From: karl@ddsw1.MCS.COM (Karl Denninger)
Newsgroups: comp.unix.xenix
Subject: who -T mangles outgoing uucp calls (may be Anvil driver problem)
Message-ID: <3347@ddsw1.MCS.COM>
Date: 21 Apr 89 15:38:47 GMT
Reply-To: karl@ddsw1.MCS.COM (Karl Denninger)
Organization: Macro Computer Solutions, Inc., Mundelein, IL
Lines: 26

Yet another SCO Xenix V/386 2.3.1 problem....

If you're using "who" with options, be VERY careful.

We just isolated a very strange problem.  The system was repeatedly
disconnecting our outgoing uucp calls with a TIMEOUT error during dialing.
After some investigation, we determined that using "who" with the -T option
(which displays the "writable" status of a terminal line) is extremely
dangerous; that is, it does something to the line which causes it to either
be disconnected or return an error status.

More data points:
	Tele-386 System unit
	Standard (ST412) disk drives
	Anvil intelligent Serial board, driver version 2.1.7

This _may_ be a problem in the Anvil drivers.  If someone else out there
would check this out without the Anvil card (ie: some other intelligent
serial board) and let me know if it shows up there I'd appreciate it.

Thanks!

--
Karl Denninger (karl@ddsw1.MCS.COM, <well-connected>!ddsw1!karl)
Public Access Data Line: [+1 312 566-8911], Voice: [+1 312 566-8910]
Macro Computer Solutions, Inc.		"Quality Solutions at a Fair Price"