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000242_news@columbia.edu_Sat Jan 21 06:13:01 1995.msg
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From: finton@homer.cs.wisc.edu (David Finton)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: "Can't read character: I/O error" -- second round
Date: 21 Jan 1995 06:13:01 GMT
Organization: University of WI, Madison -- Computer Sciences Dept.
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Message-Id: <3fq8ld$r30@spool.cs.wisc.edu>
References: <3fkupt$3t6@spool.cs.wisc.edu>
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Apparently-To: kermit.misc@watsun.cc.columbia.edu
In a previous message I wrote about a problem with kermit dropping
the connection and giving me this error message. For example:
-----------------------------------------------------------------
?{w{;~{{m
Can't read character: I/O error
Communications disconnect (Back at localhost)
NeXT kermit>
-----------------------------------------------------------------
I'd like to thank those who advised me to build kermit5a190 and
increase the number of windows and the receive packet-length. This
made kermit much faster, and file transfer seems great. I'm running
kermit on a NeXTstation with NEXTSTEP 3.2, /dev/cufa, hardware handshaking
cable and modem (Supra 14.4LC).
But I still get this irritating I/O error which throws me off the
remote machine. I suspected my new computer's port, or the modem
cable, except that most of the time the connection is great. The
error usually occurs when I've been idle for a minute or so, and
never in a file transfer. I'm editing this over the kermit connection
now, and it's been working for about 20 minutes, I think. It almost
seems like a line noise problem, although I didn't have this problem
with kermit on my previous machine. Maybe my settings aren't quite
right yet. I'll attach those below.
Anyone have suggestions for things to try?
Thanks,
David Finton
----------------------------
(Back at localhost)
NeXT kermit> show
C-Kermit 5A(190), 4 Oct 94, NeXTSTEP
Communications Parameters:
Line: /dev/cufa, speed: 57600, mode: local, modem: hayes
Terminal bits: 7, parity: none, duplex: full, flow: none, handshake: none
Carrier: auto, lockfile: /usr/spool/uucp/LCK/LCK..cufa
Escape character: 29 (^])
Protocol Parameters: Send Receive
Timeout (used= 7): 7 10 Server Timeout: 0
Padding: 0 0 Block Check: 1
Pad Character: 0 0 Delay: 5
Packet Start: 1 1 Max Retries: 10
Packet End: 13 13
Packet Length: 90 4526
Maximum Length: 9024 9024 Window Size: 2 set, 0 used
Buffer Size: 90515 90515 Locking-Shift: enabled, not used
File parameters: Attributes: on
Names: literal
Type: binary Packet Log: none Longest filename: 255
Collide: backup Session Log: none Longest pathname: 1024
Send Pathnames: on Receive Pathnames: on
Display: fullscreen Transaction Log: none
Byte Size: 8, Incomplete: keep, Init file: .kermrc
NeXT kermit>