Sysudump is empty

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On May 30, 2013, at 4:11 PM, DASDBILL2 <[email protected]> wrote:

> First, something "bad" happened somewhere and very likely left some forensic 
> evidence.  Then EXCP's recovery routines were invoked and decided to classify 
> the error as an S800-4 ABEND.  Then maybe a dump was produced.  I suggest you 
> look at the System Trace that is in your SYSUDUMP (you do have one, right?), 
> find the SVC 13 (base 10) that was issued that resulted in the S800-4 error 
> message and dump, then work backwards in the system trace looking for 
> previous entries that are (1) from the same address space as yours and (2) 
> have an "*" in a column that is almost always blank.  That "*" indicates that 
> something most unusual happened as part of that entry.  Then try to analyze 
> that error rather than the S800-4 situation . 
> 
> 
> 
> Another possible approach is to find the SDWA and/or RTM2WA control blocks in 
> your SYSUDUMP and look for fields in those control blocks whose DSECT 
> descriptions say something like "earliest error", "original error", or some 
> words like that.  Those kinds of fields will probably correspond to that 
> system trace entry with the "*" in it.  If you can't find fields like that 
> quickly in the SDWA or RTM2WA, then look at each field in both control 
> blocks, read the DSECT description for that field, and think about what the 
> description says - is that field associated with the original error or with 
> something that happened much later in the recovery/termination process?  
> There are hundreds of fields.  It takes time and determination.  Usually 
> there is forensic evidence somewhere, just like on television. 
> 
> 
> 
> Another possible source of early forensic evidence is software records in 
> SYS1.LOGREC. 
> 
> 
> 
> Also look for an EXCP Debugging Area, pointed to by the TCB that was ABENDed. 
>  If you can find that, you may have a PSW and registers at the instant that 
> the original error occurred.  You may have to ask for help in finding a DSECT 
> of the EXCP Debugging Area, however.  I used to know where that one is 
> documented, but I haven't needed to use it in  lots of decades, so I don't 
> remember now. 
> 
> Bill Fairchild 
> Franklin, TN 
> 
> 
> ----- Original Message -----
> From: "Micheal Butz" <[email protected]> 
> To: [email protected] 
> Sent: Thursday, May 30, 2013 2:56:39 PM 
> Subject: Re: System abend 800 reason code 4 
> 
> For reason code 4 the explanation says 
> A program issued a SVC 114 the EXCPVR macro but a error occurred durning 
> page-fix or page-unfix processing A page-fix error can occur 
> If the EXCP processor tries to fix pages 
> That are not assigned to the callers ASID 
> 
> The blksize in the program is 27930 
> For this program maybe for dfsms 
> To get that kind of buffer is problematic 
> 
> Ill look at the dcb parms to see what I can do 
> 
> Sent from my iPhone 
> 
> On May 30, 2013, at 4:34 AM, Binyamin Dissen <[email protected]> 
> wrote: 
> 
>> On Wed, 29 May 2013 22:22:33 -0400 Micheal Butz <[email protected]> 
>> wrote: 
>> 
>> :> Running a program under TSO TEST 
>> :>I got the above abend after a BSAM READ.  Would anyone know what this is 
>> about 
>> 
>> What did you understand from looking up the abend in SYSTEM CODES? 
>> 
>> -- 
>> Binyamin Dissen <[email protected]> 
>> http://www.dissensoftware.com 
>> 
>> Director, Dissen Software, Bar & Grill - Israel 
>> 
>> 
>> Should you use the mailblocks package and expect a response from me, 
>> you should preauthorize the dissensoftware.com domain. 
>> 
>> I very rarely bother responding to challenge/response systems, 
>> especially those from irresponsible companies. 
>> 
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