And I believe that XDC can be used to trace code running in SRB mode.

True that... [-dbc]

Dave Cole              REPLY TO: [email protected]
ColeSoft Marketing     WEB PAGE: http://www.colesoft.com
736 Fox Hollow Road    VOICE:    540-456-8536
Afton, VA 22920        FAX:      540-456-6658






At 9/17/2012 02:59 PM, Bill Fairchild wrote:
More SRB debugging hints:
The SRB routine may never have been dispatched, or was dispatched with a lot of other higher-priority activity (especially SRBs) running. This would depend on whether you SCHEDULEd your SRB as global or local and what other work was running on all the various processors at that instant. Look in the system trace to make sure your SRB was ever dispatched. And I believe that XDC can be used to trace code running in SRB mode.

Bill Fairchild
Programmer
Rocket Software
408 Chamberlain Park Lane * Franklin, TN 37069-2526 * USA
t: +1.617.614.4503 * e: [email protected] * w: www.rocketsoftware.com


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Dave Day
Sent: Monday, September 17, 2012 12:23 PM
To: [email protected]
Subject: IPCS help needed

Looking at an SVC dump of my application. Dump was produced by my FRR when the SRB that was running timed out. 05B abend. I set a timer when the SRB initially kicks off.

The logic in the SRB is processing some data areas, working its way from top to bottom in a linked/chained list of these same sized data areas.

The list in the dump has thousands of entries. One of two possibilities. Either the linked list has an invalid chain ptr, and the code is running in circles. Or, the list is good, and I just needed to give the code a longer period of time to run.


My question. Is there a way within IPCS I can describe the data area containing the chain pointer, and then run some kind of a command that would run the list to determine if the list is good or not?

I'm in the IPCS manuals right now, but if its there, its not jumping out at me. Any help would be appreciated.

      --Dave Day

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