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Bug in CTERM - can someone help?

Date: Fri, 16 Aug 91 15:09+0100
From: Vincent Keunen <keunen@milou.nrb.be>
Subject: Bug in CTERM - can someone help?
To: SLUG@AI.SRI.COM
Message-ID: <19910816140902.2.KEUNEN@milou.nrb.be>
          
          
This error occurs after the following session:
 
	select-T	(we want to access a Vax via CTERM)
	connect, username, password, etc...
			(the session with the vax is established and the prompt appears)
	NRBV01::TIMMERMANS(MILOU::)$ telnet nrbr01
			(nrbv01 is the vax, milou is our 3650)
			(nrbr01 is a cisco connected to our vax via decnet
			 we don't want to use tcp/ip here for some reasons)
	After that, the connection to the cisco is established, then a few lines appear,
	then just before the cisco asks for the password, we get this error message.
 
Can someone explain this situation?  
 
Later on, we *sometimes* get the error
	"No typein buffer, or no room in typein buffer - internal CTERM error."
 
without doing anything special (we're just typing in commands...)
 
These two problems are critical for our developments.  Your help will be
very much appreciated!  Thank you.
 
Vincent Keunen
Network Research Belgium
keunen@nrb.be
 
Here is the debugger's c-m:
 
In Symbolics 3650 Genera 8.0.1, Logical Pathnames Translation Files NEWEST, DNA 414.1, Mailer 414.7, Utilitaires Divers & Varies 30.0,
microcode 3650-MIC 430, FEP 206, Fep0:>G206-lisp.flod(21), Fep0:>G206-loaders.flod(21), Fep0:>G206-debug.flod(8), Fep0:>G206-info.flod(21),
1067x748 B&W Screen, Machine serial number 30436,
world booted from FEP0:>Inc-DNA-Mailer-Goodies-from-801.load.1 on Symbolics 3650 #30436 (MILOU):
 
 
 
Error: Internal CTERM error - attempt to start a second concurrent read.
While in the function (DEFUN-IN-FLAVOR TELNET:CTERM-LOCK-AND-PROCESS-MSG TELNET:CTERM-TYPEOUT-FILTER)  (FLAVOR:METHOD :PARSE-CTERM-MESSAGE TELNET:CTERM-TYPEOUT-FILTER)  (FLAVOR:METHOD :NEXT-TYPEOUT-BUFFER TELNET:CTERM-TYPEOUT-FILTER)
 
The condition signalled was ZL:FERROR
 
(DEFUN-IN-FLAVOR TELNET:CTERM-LOCK-AND-PROCESS-MSG TELNET:CTERM-TYPEOUT-FILTER)  (P.C. = 7)
   Arg 0 (SELF): #<TELNET:CTERM-TYPEOUT-FILTER 30064621>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:CTERM-TYPEOUT-FILTER 240062711>
 
(FLAVOR:METHOD :PARSE-CTERM-MESSAGE TELNET:CTERM-TYPEOUT-FILTER)  (P.C. = 55)
   Arg 0 (SELF): #<TELNET:CTERM-TYPEOUT-FILTER 30064621>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:CTERM-TYPEOUT-FILTER 240062711>
   Arg 2 (FLAVOR::.GENERIC.): :PARSE-CTERM-MESSAGE
   Arg 3 (TELNET:BUFFER): #<ARRAY (UNSIGNED-BYTE 8) 1907 indirect, leader-length 19 34045106>
 
(FLAVOR:METHOD :NEXT-TYPEOUT-BUFFER TELNET:CTERM-TYPEOUT-FILTER)  (P.C. = 20)
   Arg 0 (SELF): #<TELNET:CTERM-TYPEOUT-FILTER 30064621>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:CTERM-TYPEOUT-FILTER 240062711>
   Arg 2 (FLAVOR::.GENERIC.): :NEXT-TYPEOUT-BUFFER
 
(FLAVOR:METHOD :TYI-NO-HANG TELNET:CTERM-TYPEOUT-FILTER)  (P.C. = 110)
   Arg 0 (SELF): #<TELNET:CTERM-TYPEOUT-FILTER 30064621>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:CTERM-TYPEOUT-FILTER 240062711>
   Arg 2 (FLAVOR::.GENERIC.): :TYI-NO-HANG
   Arg 3 (IGNORE): T
 
(FLAVOR:METHOD :TYI-NO-HANG TELNET:FILTER-STREAM)  (P.C. = 10)
   Arg 0 (SELF): #<TELNET:VT100-TERMINAL-SIMULATOR 30064647>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:FILTER-STREAM 451225621>
   Arg 2 (FLAVOR::.GENERIC.): :TYI-NO-HANG
   Arg 3 (TELNET:EOF): T
 
(FLAVOR:METHOD :TYI TELNET:FILTER-STREAM)  (P.C. = 7)
   Arg 0 (SELF): #<TELNET:VT100-TERMINAL-SIMULATOR 30064647>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:FILTER-STREAM 451225621>
   Arg 2 (FLAVOR::.GENERIC.): :TYI
   Arg 3 (TELNET:EOF): T
 
(:INTERNAL (FLAVOR:METHOD :TYPEOUT-TOP-LEVEL TELNET:NVT-WINDOW) 0 DW:WITH-OUTPUT-RECORDING-ENABLED)  (P.C. = 22)
   Arg 0: #<NVT-WINDOW Terminal 1 1303633 deexposed>
   Arg 1: #<NVT-WINDOW Terminal 1 1303633 deexposed>
   Local 1#<Map to flavor TELNET:NVT-WINDOW 360163633>
 
(FLAVOR:METHOD :WITH-OUTPUT-RECORDING-ENABLED DW:DYNAMIC-WINDOW)  (P.C. = 10)
   Arg 0 (SELF): #<NVT-WINDOW Terminal 1 1303633 deexposed>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor DW:DYNAMIC-WINDOW 360163511>
   Arg 2 (FLAVOR::.GENERIC.): :WITH-OUTPUT-RECORDING-ENABLED
   Arg 3 (DW::CONTINUATION): #<STACK-LEXICAL-CLOSURE (:INTERNAL # 0 DW:WITH-OUTPUT-RECORDING-ENABLED) 144102114>
   Arg 4 (DW::XSTREAM): #<NVT-WINDOW Terminal 1 1303633 deexposed>
   Arg 5 (DW::ENABLED): T
 
(FLAVOR:METHOD :TYPEOUT-TOP-LEVEL TELNET:NVT-WINDOW)  (P.C. = 124)
   Arg 0 (SELF): #<NVT-WINDOW Terminal 1 1303633 deexposed>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor TELNET:NVT-WINDOW 360163633>
   Arg 2 (FLAVOR::.GENERIC.): :TYPEOUT-TOP-LEVEL
 
(FLAVOR:METHOD PROCESS::PROCESS-TOP-LEVEL-1 PROCESS:PROCESS)  (P.C. = 114)
   Arg 0 (SELF): #<PROCESS:PROCESS Terminal 1 Typeout (2 1) 30055544>
   Arg 1 (SYS:SELF-MAPPING-TABLE): #<Map to flavor PROCESS:PROCESS 440146046>
   Arg 2 (FLAVOR::.GENERIC.): #<SYS:GENERIC-FUNCTION PROCESS::PROCESS-TOP-LEVEL-1 12445741>
 
PROCESS::PROCESS-TOP-LEVEL  (P.C. = 311)
   --Defaulted args:--
   Arg 0 (IGNORE): NIL