RE: AS/400 Locking up

Joe,

Why do you say "trwinax stopped working"?  I've never seen this. I have
seen where all the terminals "stopped" working.  But not twinax itself.

The first thing I'd suspect is a high priority job is in a very tight
closed loop.  The way to catch that is keep 1 twinax terminal signed on
and change its runpty to 1.  Then when everything else stops working,
that one should still respond...perhaps slowly, but it should respond.

The next thing is patience!  When you get into these things, your
response time might/will go totally in the toilet.

If you have performance tools, leave WRKSYSACT running on this
terminal.  Otherwise you will have to use wrkactjob.  But be prepared
to wait a long time for it. 10 or 20 minutes.  So, from this signed on,
hi priority terminal, wait for the lockup.  When it happens, type in
WRKACTJOB SEQ(*CPU) RESET(*YES) and wait for it to come up.  Your
culprit might already be at the top of the screen.  But if nothing
jumps out at you, wait a minute and press F5.  Your culprit should now
be at the top.

Bob

-----Original Message-----
From: midrange-l-admin@midrange.com
[mailto:midrange-l-admin@midrange.com]On Behalf Of Joe Lewis
Sent: Thursday, November 14, 2002 2:51 PM
To: midrange-l@midrange.com
Subject: AS/400 Locking up

About 30 days ago for the first time, my little 170 just locked up.
TCP
and Twinax stopped working, no error code on the front panel, the power
light was green, and the processor light was lit up solid.   After
talking with IBM (hours later), I had to manual power down.  Once back
up, there were no error listings in any of the logs or in Service
Tools.
 Then 2 weeks later, it did it again.  Then over this past weekend,
again yesterday and now this morning.  Hardware support thinks it's
software.  I am on hourly support with Software, and I don't want to
spend the money just find out it's an IBM issue ($250 an hour is not in
my budget).  I upgrade to v5r1 ,with all the PTFs at the time, in
February.  Nothing new has been added since then.  Other then ordering
the latest CUM (which I did), I am stumped.  Has anyone ran into this
before?

- Joe Lewis