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I remember dealing with this kind of MATMATR problem
I suspect the cause was pointer alignment or not enough space provided for
big LPAR systems...
Paul
From: Bruce Vining <[email protected]>
To: "Bare Metal Programming IBM i (AS/400 and iSeries)"
<c400-l-Zwy7GipZuJhWk0Htik3J/[email protected]>
Date: 19/04/2014 14:53
Subject: Re: [C400-L] MATMATR weirdness
Sent by: c400-l-bounces-Zwy7GipZuJhWk0Htik3J/[email protected]
Can't really say based on your description, but one scenario would be:
1. Something in your environment changed
2. The MATMATR is taking an exception
3. The exception handler in effect is defined to "carry on"
Conceptually this would be like a CL program with a MONMSG for CPF0000,
MCH0000, etc and no EXEC so no matter what happens the program continues
to
run the next instruction (with unintended data all too often). Or a RPG
monitor around a given statement with a on-error *ALL that does nothing
(or
worse, does nothing except remove the message causing the on-error to get
control (so the job log is "pretty" in terms of appearance and worthless
in
terms of value)). Whether this applies to your situation I have no idea.
Best I can say to answer your question is 'Something went wrong' and more
information is needed.
Bruce
On Fri, Apr 18, 2014 at 7:01 PM, James H. H. Lampert <
jamesl-6/ELSmrcqeUu8xhjR5IN5AC/[email protected]> wrote:
> Can anybody explain why a MATMATR in an MI program would, once in a
> great while, return garbage, only to work fine the next time the program
> was run?
>
> I'm using it to return processor count and LPAR information.
>
> --
> JHHL
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--
Regards,
Bruce
www.brucevining.com
www.powercl.com
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