Re: Mysterious MCH3601 errors at V4R3M0

["Robin Sapiro" <robin.sapiro@xxxxxxxx>]

John,

Thats fine but how does that explain the intermittent nature of the problem?


----- Original Message -----
From: John P Carr <jpcarr@tredegar.com>
To: boldt <boldt@ca.ibm.com>
Cc: MIDRANGE-L <MIDRANGE-L@midrange.com>
Sent: Monday, August 09, 1999 10:46 AM
Subject: Re: Mysterious MCH3601 errors at V4R3M0


>
> I would agree with Hans,  Somewhere in your program stack, a program
> is doing something like passing a 20 byte alpha parm and the called
program
> that is called defines it as 200 and does a CLEAR or something.  It most
> likely
> has nothing to do with the programs that show the symptom.   It's like
> looking
> up at the ceiling and seeing a leak,  but in reality the Real leak is 30
> feet away,
> running down a rafter, to the place you really see the leak.
>
> It's a mismatched parm but not in the programs that show the symptom.
>
> John Carr
>
>
> >OK, your program uses PARM3 only to move the data to some other
> field, which is then used to access the data.  So, there is a
> very short window between when the program is called and that
> MOVE happens.  If some other program is corrupting the stack,
> you would only notice the problem if the corruption happens
> during that short window.  When the corruption happens at
> other times, you won't notice it.
>
> The bug is not in the program that fails, but in some other
> program that overwrites some storage it shouldn't.  Check the
> compile dates of other programs in the application to try to
> narrow down the list of suspects.
>
> Cheers!  Hans
>
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