Sun Solaris 2.6; Oracle 8.0.5

We've been fighting a problem for several days.  It's getting worse.  And
it's causing MAJOR heartburn.  (How bad is it?  It's SO bad that the vice
president has been assigned the task of following IS staff members around to
see what we're doing and reporting back on our progress to the president.
It's real embarrassing for him when I go to the bathroom.)

Of the 70 to 80 users we have connected to Oracle, several (usually around
12 to 15) users are disconnected from the database all at once with an "end
of file on communication channel".  Other users remain on.  Not always the
same users disconnected.  No commonality that we can find.

There's nothing in the alert log, and there are no trace files created.
Oracle knows nothing about the disconnected users -- they remain connected
to the database from the server side 'till pmon comes along to clean them
up.

FINALLY, my question.  Oracle has suggested that we turn on trace event
10046.  I confess I've never done this before.  In svrmgrl, I issue the
command oradebug setorapid nnnnn, then oradebug event 10046 trace name
context forever, level 12.  This worked 1 time for 1 user.  It created a
trace file in the udump directory.  However, I'd like to set this event on
for several users.  The command executes without error, but no add'l trace
files are created.

What am I missing?  Can I only do this for 1 user?  Does it have something
to do with running MTS?  I tried using the setorapid (pid) instead of the
setospid (spid), but it made no difference.

Any ideas?
Thanks for any help.

Barb "The chipmunk" dba

P.S.  Yes, we do have both our SA's and network folks looking at the
problem, as well as several consultants.  Everyone is clueless.

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Author: Baker, Barbara
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