ITEM: BR6483L
UUCP problems between AIX and AT&T after 4.1.4 upgrade
ENV:
AIX 4.1.4.0
7012-370
desc: The customer is trying to transfer files between a rs/6000 to
a unix system running at&t unix but it fails with an error
message of: failed (login failed)
act: I asked the customer to read to me his Systems file entry:
manco Any Acu Any phone\# "" \\r\\d\\r\\d in:--:in: nuucp word: comm
The customer will fax in his uutry but he says that it stops
at the point where it expects to receive a login but it never
gets it, it just hangs there expecting to receive a login.
The customer can cu to the other machine and get a clean login
with no problem. I had the customer check the other system
and for one thing, it didn't have his correct machine name so
we corrected that but of course it made no difference when he
did his uutry. The user 'nuucp' is a valid user also. He can
login using nuccp and he gets the 'shere' back. The customer
is going to fax in his Systems, Permissions, Devices, and Dialers
files from both systems and his Uutry from the risc to this unix
system.
The customer can use uucp from this risc to other aix and sco
machines, he only has a problem when going from this risc to
to other at&t unix systems. I told the customer a number of times
to let's try setting up uucp between his system and one of our
lab systems but the customer never even acknowledged that idea,
so we tried to continue working on the problem. I tried to
dial from a modem on a 4.1 machine here and I got garbage
characters. I lowered my baud rate down to 1200 (because the
customer said that the modem on the at&t system is a 2400 modem)
but even at that speed, I got garbage characters. I asked the
customer is there anyone there that can check the setup of the
tty for the modem on the at&t system but he said no one there
could. This does seem like it would be a problem in his Systems
file entry and we have played around a little with the chat
script and it has made no difference. We tried taking away the
""\\r\\d\\r\\d entry comlpletely and then ran the uutry but the
same thing happened. I had the customer use this sequence also:
""\\d\\d\\d\\r but again there was no change, we still never
receive a login prompt. The customer still hasn't faxed in
all of his files, so, he will do that and speak with someone
who works with the at&t system.
I had the customer run the command lslpp -l bos.net.uucp and
it is at version 4.1.3.0. I had the customer check the nuucp
user on the remote machine and it has a uid of 10. I had the
customer attempt to use the 'uucp' user but still we hang
waiting for the login prompt. I worked on setting up uucp from
the customer's rs/6000 to one of the lab systems here at 4.1.4
and the same thing happend when the the customer did the uutry.
Customer is trying to dial from his AIX system to the AT&T system
is the AT&T system's TTY was configured at 7,even,1 and not 8,none,1.
I sent you /usr/sbin/uucico from an AIX 3.2.5 system and put it on
your AIX 4.1.4 machine and your transfers started working fine.
You need the following uucico fix:
4.1 uucico has changed in that:
PROBLEM SUMMARY:
In 3.2.5, uucico would strip the high bit from incoming
data during the connection phase (when executing the
chat script). This was removed in 4.1, with the result
that if the other system is set to use 7 bits with parity
we won't be able to communicate with them.
PROBLEM CONCLUSION:
uucico now handles incoming data that is 7 bits with parity
during the connection phase.
This is apar IX53737.
U440344|IX53737|186061|bos|bos.net.uucp|bos41C|aix@ausaix02@2035|UUCICO NO LONGE
R STRIPS CHARACTERS DURING CONNECTION|4.1.3.1
U440406|IX53737|186061|bos|bos.net.tcp.client|bos41C|aix@ausaix02@2035|UUCICO NO
LONGER STRIPS CHARACTERS DURING CONNECTION|4.1.4.1
U440931|IX53737|170935|IPP|IPP|bos41C|aix@ausaix02@2035|Create 4.1 IPPs|0.0.0.0
$
This has resolved the problem.
Support Line: UUCP problems between AIX and AT&T after 4.1.4 upgrade ITEM: BR6483L
Dated: December 1996 Category: N/A
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