A formatted system dump contains (depending on the options specified on
the TR keyword):
- TR anchor block with interpretation
- Auxiliary trace data set DCB if data set open
- Auxiliary trace data set DECB if data set open
- Auxiliary trace buffer if data set open
- Internal trace table in abbreviated format
- Internal trace table in full format.
System dumps requested by the trace domain fall into two categories:
- Dump code TRnnnn
- These dump codes are preceded by a console message, DFHTRnnnn. See the CICS® Messages and Codes manual for details.
- Dump code KERNDUMP
- At many points in its processing, the trace domain cannot issue domain
calls because they would lead to further trace calls and possible recursion
of the error. In these circumstances, the trace domain uses MVS™ WTO to write
a console message and the kernel dump function to take a system dump. All
such dumps have dump code KERNDUMP. The message numbers for which this occurs
are DFHTR0105, DFHTR0114, DFHTR0115, and DFHTR0116. See the CICS Messages and Codes manual for more details.
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