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Gather the information. - Have the following information ready when you report a problem:
- Customer number
- Current service level (PTF list and list of APAR fixes applied)
- The keyword string developed to search the IBM software support
database
- Processor number (serial model)
- Also have the following documents ready to assist in analyzing
the problem:
- Source code (assembler or compiler listings) and load module for
any user routines or invoking program.
- A listing of the job control language (JCL), DFSORT control statements,
and all messages. You can use a SORTDIAG DD statement to obtain all
messages, including diagnostic messages.
- A listing of the symbols information if a SYMNAMES DD statement
was specified. You can produce this listing by specifying a SYMNOUT
DD statement.
- A copy of the input data set in machine-readable form.
- A list of the installation defaults selected at your site. You
can produce this list by using the DEFAULTS operator of ICETOOL with
the same step, job, or link library used for the job associated
with this APAR. See z/OS DFSORT Application Programming Guide for
complete details of the DEFAULTS operator of ICETOOL.
- A dump from the failing run of DFSORT.
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Contact the IBM Support Center. After
gathering the information, contact the IBM Support Center for assistance
in resolving the problem. If the difficulty is an IBM problem, the
representative will assist you in preparing an APAR.
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Submit APAR documentation. When
submitting material for an APAR to IBM, carefully pack and clearly
identify any tapes that contain application source programs, job stream
data, data sets, or libraries.
Each tape must have the following
information attached and visible: - The APAR number assigned by IBM
- A list of data sets on the tape (for example, application source
program, JCL, data, and load modules)
- Data on how the tape was created:
- The exact JCL listing or the list of commands used
- The record format and block size used for each data set
- Tape labeling
- The recording mode and density
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