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000457_news@columbia.edu_Fri Dec 16 13:48:52 1994.msg
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From: jrd@cc.usu.edu (Joe Doupnik)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: MS-Kermit running under Windows trbl
Message-Id: <1994Dec16.194852.35622@cc.usu.edu>
Date: 16 Dec 94 19:48:52 MDT
References: <D0wsAs.6vv@nntpa.cb.att.com>
Organization: Utah State University
Lines: 57
Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <D0wsAs.6vv@nntpa.cb.att.com>, mrbaker@hodcs.ho.att.com (-M.BAKER) writes:
> Hi:
>
> We are currently using MS-Kermit (Beta 14) to communicate with a UNIX
> system, both directly from the DOS prompt as well as run from Windows.
> I have packet driver 3C5X9PD and shim WINPKT doing the networking
> honors.
>
> The problem is that when someone telnet's to the UNIX system from
> Windows (i.e., they have an icon for MS-KERMIT, using the .PIF
> distributed with MS-KERMIT) everything works fine until they minimize
> it and leave it alone for a while [still trying to measure exactly what
> "a while" is -- seems to be a half hour or hour or so]. Then when they
> return to MS-KERMIT, it is 'asleep'. The TCP-IP connection no longer
> seems to be working (no response to the UNIX shell prompt, no response
> to the Telnet Are-You-There) yet the UNIX system still thinks the
> connection is up. I've tried running with SET TELNET DEBUG-OPTIONS ON
> looking for clues, but no luck.
>
> The only mentions I could find in the documentation is in the .BWR file.
> Section 4 (Microsoft Windows) suggests changing the .PIF to raise
> Kermit's priority, lock it in memory (even though the WINPKT docs
> say this shouldn't be necessary), and make sure some background time
> is allocated. I've played with these the best I could with no apparent
> luck. It does have the caveat that Kermit is at the mercy of other
> apps. anyhow.
>
> When I run MS-Kermit right from DOS (no Windows), it works just fine
> even overnight so I'm pretty sure the indigestion is coming from Windows.
>
> Would appreciate hearing from others who have run into this, have ideas,
> etc. worth trying in order to minimize (if not eliminate) this problem.
> Private email to mrbaker @ hodcs.att.com, or postings to this group
> would be most welcome.
--------------
Ok. I tried your situation here over the past 45 minutes. MSK 3.14
beta-15 running in Windows as an icon, using ODIPKT+WINPKT over the current
Novell ODI material. I logged onto my Unix machine with Kermit, shrunk MSK
to an icon, and went away to speak with WordPerfect/Windows for the duration.
After that 45 minute interval I enlarged the icon to a window and the
connection was just fine.
A couple of guesses to make here. First, is your lan adapter's
shared memory protected against all memory managers (DOS and again in
Windows)? If not then Windows could be using that memory for other purposes
and the lan adapter can become wedged or worse. An intermediate test, after
you've exclude='d both sides, is to start another Telnet session with Kermit.
If a new session starts ok then local comms are in working order.
Second, the lan adpater part of things may not be especially strong
to begin with, and when it's not serviced often packets overwhelm it and it
wedges. If there is an IRQ conflict (lan adapter sitting on IRQ 3 along with
serial port COM2, for example) then the adapter can be squashed by the
competing hardware and/or Window's drivers.
The option to "fix task in memory" is needed if you are not using
winpkt with a Packet Driver. Go get mine, the two argument variety, from
netlab2.usu.edu, cd drivers, file winpkt.zip, and give it a try. I don't fix
tasks in memory (absent minded Professor).
Joe D.