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From: krowitz@mit-richter.UUCP (David Krowitz)
Newsgroups: comp.sys.apollo
Subject: Re: Apollo TCP/IP problems
Message-ID: <8711232323.AA09354@EDDIE.MIT.EDU>
Date: Mon, 23-Nov-87 11:40:46 EST
Article-I.D.: EDDIE.8711232323.AA09354
Posted: Mon Nov 23 11:40:46 1987
Date-Received: Thu, 26-Nov-87 21:23:58 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
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I don't know exactly what 'crazy' means to you, but ...
We have a '/com/sh -c /usr/lib/sendmail -bd -q1h' in out
nodes' startup files so that each of them can receive mail
from off-site hosts. Occassionally, a node will wind up
with about 50 or 60 copies of sendmail running on it. This
seems to coincide with the TCP_SERVER hanging (ie. if I try
to TELNET out from the node or to FTP out from it, the process
just hangs forever). Whether the problem was caused by TCP
hanging, or whether TCP hung because of all of the processes,
is unknown. It seems to happen less frequently since we
started running TCP 3.0.

Another strange thing ... our /sys/node_data/proc_dump files
seem to grow without bounds. If I use FMPD to list out the
dump file, it appears that there is a process dumping out
once every hour. Usually this is listed as /com/sh, but sometimes
it is spmlogin, or 'object not found'. The only thing that I
can think of which occurs once an hour on each of our nodes
is the '-bd -q1h' switches we give to sendmail.


 -- David Krowitz

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